<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019edb6b-3334-79a0-b9c1-a9f42f0ebe1c,g:05543160-639d-4d21-8474-7f2d3578e226-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.mheducation.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="mh-20260630.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019edb6b-33f8-7dea-9893-d15eb3b69cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019edb6b-33f8-7942-8390-fc5ab9932179" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019edb6b-33f8-7dea-9893-d15eb3b69cf3" xlink:to="loc_us-gaap_GrossProfit_019edb6b-33f8-7942-8390-fc5ab9932179" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019edb6b-33f8-7d0c-be6f-01b95f3556d8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019edb6b-33f8-7dea-9893-d15eb3b69cf3" xlink:to="loc_us-gaap_OperatingExpenses_019edb6b-33f8-7d0c-be6f-01b95f3556d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019edb6b-33f8-768f-a5ed-ab2479c163e7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019edb6b-33f8-7160-9d2a-5bd055a88708" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019edb6b-33f8-768f-a5ed-ab2479c163e7" xlink:to="loc_us-gaap_OperatingIncomeLoss_019edb6b-33f8-7160-9d2a-5bd055a88708" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019edb6b-33f8-7037-9d73-a6e53682a84d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019edb6b-33f8-768f-a5ed-ab2479c163e7" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019edb6b-33f8-7037-9d73-a6e53682a84d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019edb6b-33f8-7f0f-ad82-4c531740d468" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019edb6b-33f8-77ba-804e-7a541744ec7c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019edb6b-33f8-7f0f-ad82-4c531740d468" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019edb6b-33f8-77ba-804e-7a541744ec7c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019edb6b-33f8-7985-995f-33c2f7e8d0ef" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019edb6b-33f8-7f0f-ad82-4c531740d468" xlink:to="loc_us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization_019edb6b-33f8-7985-995f-33c2f7e8d0ef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7842-8aa9-903ee525980f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019edb6b-33f8-76fb-8b42-595266942934" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7842-8aa9-903ee525980f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019edb6b-33f8-76fb-8b42-595266942934" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019edb6b-33f8-793e-b376-e091aa3f6e02" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7842-8aa9-903ee525980f" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019edb6b-33f8-793e-b376-e091aa3f6e02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses_019edb6b-33f8-723d-b1b6-70fef672f776" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-33f8-7704-84be-20534b9a6313" xlink:href="mh-20260630.xsd#mh_OperatingAndAdministrativeExpenses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019edb6b-33f8-723d-b1b6-70fef672f776" xlink:to="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-33f8-7704-84be-20534b9a6313" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019edb6b-33f8-7c7a-865d-f18fee6b3803" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019edb6b-33f8-723d-b1b6-70fef672f776" xlink:to="loc_us-gaap_Depreciation_019edb6b-33f8-7c7a-865d-f18fee6b3803" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019edb6b-33f8-7ee8-85db-f94b5f368172" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingExpenses_019edb6b-33f8-723d-b1b6-70fef672f776" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019edb6b-33f8-7ee8-85db-f94b5f368172" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" xlink:type="simple" xlink:href="mh-20260630.xsd#CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019edb6b-33f8-70bb-bba7-b116b9fe3838" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7dfc-81aa-4fd2cdcc3813" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019edb6b-33f8-70bb-bba7-b116b9fe3838" xlink:to="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7dfc-81aa-4fd2cdcc3813" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019edb6b-33f8-771c-8f84-c18d20051ee8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019edb6b-33f8-70bb-bba7-b116b9fe3838" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019edb6b-33f8-771c-8f84-c18d20051ee8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019edb6b-33f8-776b-850e-28b5415867e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019edb6b-33f8-75d5-81b0-ed34ac5c05a6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_019edb6b-33f8-776b-850e-28b5415867e6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_019edb6b-33f8-75d5-81b0-ed34ac5c05a6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="mh-20260630.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019edb6b-33f8-7fb2-a761-ec3bbf2dc40a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_AccountsPayableCurrent_019edb6b-33f8-7fb2-a761-ec3bbf2dc40a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedRoyaltiesCurrent_019edb6b-33f8-718c-a180-fbc7273af3d1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccruedRoyaltiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_AccruedRoyaltiesCurrent_019edb6b-33f8-718c-a180-fbc7273af3d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019edb6b-33f8-75fe-8ce7-a41cf05871ba" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019edb6b-33f8-75fe-8ce7-a41cf05871ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019edb6b-33f8-707a-a22f-17960fb4d9aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019edb6b-33f8-707a-a22f-17960fb4d9aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019edb6b-33f8-71e8-96e0-fcc3b49f626d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_LongTermDebtCurrent_019edb6b-33f8-71e8-96e0-fcc3b49f626d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019edb6b-33f8-7e77-913d-737d2c9a2c14" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019edb6b-33f8-7e77-913d-737d2c9a2c14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-33f8-7c04-999e-917180582ee1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-7d6e-be9b-2da3155034d2" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-33f8-7c04-999e-917180582ee1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019edb6b-33f8-7b9e-97c2-c3a216b53af8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019edb6b-33f8-742d-b5b3-41005790ac8e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019edb6b-33f8-7b9e-97c2-c3a216b53af8" xlink:to="loc_us-gaap_CommonStockValue_019edb6b-33f8-742d-b5b3-41005790ac8e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019edb6b-33f8-7f29-b1ed-333f27dd390e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019edb6b-33f8-7b9e-97c2-c3a216b53af8" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019edb6b-33f8-7f29-b1ed-333f27dd390e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019edb6b-33f8-7e17-8388-c328d2d27e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019edb6b-33f8-7b9e-97c2-c3a216b53af8" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019edb6b-33f8-7e17-8388-c328d2d27e1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019edb6b-33f8-7560-b12e-f6eba59dca46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019edb6b-33f8-7b9e-97c2-c3a216b53af8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019edb6b-33f8-7560-b12e-f6eba59dca46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-72fe-8bd1-61465e3fbda3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:to="loc_us-gaap_LiabilitiesCurrent_019edb6b-33f8-72fe-8bd1-61465e3fbda3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019edb6b-33f8-78e0-88f5-d0e2d761ec5e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019edb6b-33f8-78e0-88f5-d0e2d761ec5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019edb6b-33f8-7734-a876-e5209be78583" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019edb6b-33f8-7734-a876-e5209be78583" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_019edb6b-33f8-7057-a830-cf7f2d284081" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_019edb6b-33f8-7057-a830-cf7f2d284081" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019edb6b-33f8-730a-9171-f7f308da911c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019edb6b-33f8-730a-9171-f7f308da911c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019edb6b-33f8-7d34-ba08-32747404e655" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019edb6b-33f8-74e3-a613-be1afe438b81" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019edb6b-33f8-7d34-ba08-32747404e655" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019edb6b-33f8-78ed-a926-b6cd51d8061a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019edb6b-33f8-73c3-a0d5-12d53c6679e6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019edb6b-33f8-78ed-a926-b6cd51d8061a" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019edb6b-33f8-73c3-a0d5-12d53c6679e6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019edb6b-33f8-73e7-9b71-85aeb0ff6507" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019edb6b-33f8-78ed-a926-b6cd51d8061a" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019edb6b-33f8-73e7-9b71-85aeb0ff6507" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019edb6b-33f8-7651-84e6-a04e295ba6a0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019edb6b-33f8-78ed-a926-b6cd51d8061a" xlink:to="loc_us-gaap_InventoryNet_019edb6b-33f8-7651-84e6-a04e295ba6a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-33f8-7f81-b1ba-7ae38afcc5a5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019edb6b-33f8-78ed-a926-b6cd51d8061a" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-33f8-7f81-b1ba-7ae38afcc5a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019edb6b-33f8-7a9b-8206-47b7df097ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_us-gaap_AssetsCurrent_019edb6b-33f8-7a9b-8206-47b7df097ea0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_ProductDevelopmentCostsNet_019edb6b-33f8-7534-91ec-5963fb12ef18" xlink:href="mh-20260630.xsd#mh_ProductDevelopmentCostsNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_mh_ProductDevelopmentCostsNet_019edb6b-33f8-7534-91ec-5963fb12ef18" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019edb6b-33f8-7ad3-864c-de76c788701f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_019edb6b-33f8-7ad3-864c-de76c788701f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019edb6b-33f8-7fc7-ba90-0dbadcca39de" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_us-gaap_Goodwill_019edb6b-33f8-7fc7-ba90-0dbadcca39de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_AcquiredIntangibleAssetsNetExcludingGoodwill_019edb6b-33f8-7515-951c-bc34f6155ba0" xlink:href="mh-20260630.xsd#mh_AcquiredIntangibleAssetsNetExcludingGoodwill"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_mh_AcquiredIntangibleAssetsNetExcludingGoodwill_019edb6b-33f8-7515-951c-bc34f6155ba0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019edb6b-33f8-7338-a261-cc16a8c533cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019edb6b-33f8-7338-a261-cc16a8c533cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019edb6b-33f8-7dd5-85d4-1b7b253f03e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019edb6b-33f8-7dd5-85d4-1b7b253f03e8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019edb6b-33f8-7415-9141-61cc98f684c4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019edb6b-33f8-717e-afb9-3033d4d4b077" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019edb6b-33f8-7415-9141-61cc98f684c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019edb6b-33f8-78cf-975c-bd9a05365223" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019edb6b-33f8-7b2f-bd0d-9a30d6d3512c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019edb6b-33f8-78cf-975c-bd9a05365223" xlink:to="loc_us-gaap_Liabilities_019edb6b-33f8-7b2f-bd0d-9a30d6d3512c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019edb6b-33f8-741b-96f9-be92d7ca1a24" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019edb6b-33f8-78cf-975c-bd9a05365223" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019edb6b-33f8-741b-96f9-be92d7ca1a24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019edb6b-33f8-72d6-908c-53a4bdb6bd13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019edb6b-33f8-78cf-975c-bd9a05365223" xlink:to="loc_us-gaap_StockholdersEquity_019edb6b-33f8-72d6-908c-53a4bdb6bd13" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="mh-20260630.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019edb6b-33f8-7037-9719-0707d7058c46" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_PaymentsForProductDevelopmentCosts_019edb6b-33f8-753a-9a9e-9ad8504e4d7d" xlink:href="mh-20260630.xsd#mh_PaymentsForProductDevelopmentCosts"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019edb6b-33f8-7037-9719-0707d7058c46" xlink:to="loc_mh_PaymentsForProductDevelopmentCosts_019edb6b-33f8-753a-9a9e-9ad8504e4d7d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019edb6b-33f8-7305-b9eb-6fdc96d95975" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019edb6b-33f8-7037-9719-0707d7058c46" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019edb6b-33f8-7305-b9eb-6fdc96d95975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019edb6b-33f8-7cb3-91eb-d1fbbdf447f6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-7357-bbc1-8835650c41f7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019edb6b-33f8-7cb3-91eb-d1fbbdf447f6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-7357-bbc1-8835650c41f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019edb6b-33f8-7a20-8dc8-ef73bf0d9ff2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019edb6b-33f8-7cb3-91eb-d1fbbdf447f6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019edb6b-33f8-7a20-8dc8-ef73bf0d9ff2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7da2-873a-1365d641e2e1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019edb6b-33f8-7cb3-91eb-d1fbbdf447f6" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7da2-873a-1365d641e2e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019edb6b-33f8-79df-90ce-2a540c7e5299" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019edb6b-33f8-7cb3-91eb-d1fbbdf447f6" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019edb6b-33f8-79df-90ce-2a540c7e5299" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7f38-b24a-6b27d5f547a2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_NetIncomeLoss_019edb6b-33f8-7f38-b24a-6b27d5f547a2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019edb6b-33f8-706f-a79a-678ef75ed9aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_Depreciation_019edb6b-33f8-706f-a79a-678ef75ed9aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019edb6b-33f8-7ff4-8498-e8d3db5902d9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019edb6b-33f8-7ff4-8498-e8d3db5902d9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_AmortizationOfProductDevelopmentCosts_019edb6b-33f8-70a1-9b2f-0e743c775909" xlink:href="mh-20260630.xsd#mh_AmortizationOfProductDevelopmentCosts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_mh_AmortizationOfProductDevelopmentCosts_019edb6b-33f8-70a1-9b2f-0e743c775909" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_019edb6b-33f8-71a8-a60d-565e5d0bbea5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_019edb6b-33f8-71a8-a60d-565e5d0bbea5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019f036e-2e41-749c-b747-a31360c7eff1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_ShareBasedCompensation_019f036e-2e41-749c-b747-a31360c7eff1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_019edb6b-33f8-7636-b6c3-b1a3cf6fb15c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_019edb6b-33f8-7636-b6c3-b1a3cf6fb15c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_019edb6b-33f8-72d5-b2a5-333da3ded6cb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InventoryWriteDown"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_InventoryWriteDown_019edb6b-33f8-72d5-b2a5-333da3ded6cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019edb6b-33f8-796d-8e55-f69b0c24f7c0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019edb6b-33f8-796d-8e55-f69b0c24f7c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_019edb6b-33f8-77ae-b8b8-f3ab8f360662" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfDebtDiscountPremium"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium_019edb6b-33f8-77ae-b8b8-f3ab8f360662" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_019edb6b-33f8-77e4-a687-1ece0d02812a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_019edb6b-33f8-77e4-a687-1ece0d02812a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019edb6b-33f8-7d24-8ec8-b712b71fa71e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_019edb6b-33f8-7d24-8ec8-b712b71fa71e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019edb6b-33f8-7ed5-b093-5e9b0bc937ff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019edb6b-33f8-7ed5-b093-5e9b0bc937ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019edb6b-33f8-70b4-b384-04183bd0d8af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019edb6b-33f8-70b4-b384-04183bd0d8af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019edb6b-33f8-719c-990a-0769f6e0b016" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_019edb6b-33f8-719c-990a-0769f6e0b016" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_019edb6b-33f8-7f0e-9170-e80cbe04be27" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:calculationArc order="16" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_019edb6b-33f8-7f0e-9170-e80cbe04be27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_019edb6b-33f8-7969-b98c-d6e30c808d23" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities"/>
    <link:calculationArc order="17" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities_019edb6b-33f8-7969-b98c-d6e30c808d23" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019edb6b-33f8-7906-b77f-b699bb709477" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019edb6b-33f8-76d9-974c-ddec8b40d371" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019edb6b-33f8-7906-b77f-b699bb709477" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7ca6-947d-1b4eec553e3a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_019edb6b-33f8-7675-883d-c3eb4efd6c4d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RepaymentsOfSecuredDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7ca6-947d-1b4eec553e3a" xlink:to="loc_us-gaap_RepaymentsOfSecuredDebt_019edb6b-33f8-7675-883d-c3eb4efd6c4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeasePrincipalPayments_019edb6b-33f8-77c8-9c8f-644418061285" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeasePrincipalPayments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7ca6-947d-1b4eec553e3a" xlink:to="loc_us-gaap_FinanceLeasePrincipalPayments_019edb6b-33f8-77c8-9c8f-644418061285" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_019edb6b-33f8-7c29-abbb-4efee46a3d32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7ca6-947d-1b4eec553e3a" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_019edb6b-33f8-7c29-abbb-4efee46a3d32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_019f82a8-a6d9-7d49-a719-89510b716645" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019edb6b-33f8-7ca6-947d-1b4eec553e3a" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_019f82a8-a6d9-7d49-a719-89510b716645" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/RevenuefromContractswithCustomersDeferredCommissionCostsandDeferredRoyaltiesDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#RevenuefromContractswithCustomersDeferredCommissionCostsandDeferredRoyaltiesDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/RevenuefromContractswithCustomersDeferredCommissionCostsandDeferredRoyaltiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_019edb6b-34b8-7504-b493-a20c5a572c51" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetCurrent_019edb6b-34b8-7af2-9bfd-404ea3669bce" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedContractCostNet_019edb6b-34b8-7504-b493-a20c5a572c51" xlink:to="loc_us-gaap_CapitalizedContractCostNetCurrent_019edb6b-34b8-7af2-9bfd-404ea3669bce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetNoncurrent_019edb6b-34b8-7f01-a9a0-4cf4749ad73b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNetNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CapitalizedContractCostNet_019edb6b-34b8-7504-b493-a20c5a572c51" xlink:to="loc_us-gaap_CapitalizedContractCostNetNoncurrent_019edb6b-34b8-7f01-a9a0-4cf4749ad73b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/RevenuefromContractswithCustomersContractAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#RevenuefromContractswithCustomersContractAssetsandLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/RevenuefromContractswithCustomersContractAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_019edb6b-34b8-7f27-9362-5d862fdcdd49" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019edb6b-34b8-75ac-84a2-b53091b4cf1d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerLiability_019edb6b-34b8-7f27-9362-5d862fdcdd49" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_019edb6b-34b8-75ac-84a2-b53091b4cf1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_019edb6b-34b8-7881-b13c-85c17474d97e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ContractWithCustomerLiability_019edb6b-34b8-7f27-9362-5d862fdcdd49" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_019edb6b-34b8-7881-b13c-85c17474d97e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/OperatingandAdministrativeExpensesDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#OperatingandAdministrativeExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/OperatingandAdministrativeExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-34b9-7386-8373-72f119262d54" xlink:href="mh-20260630.xsd#mh_OperatingAndAdministrativeExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingAndMarketingExpense_019edb6b-34b9-7803-bd1d-8db1669cee9d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SellingAndMarketingExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-34b9-7386-8373-72f119262d54" xlink:to="loc_us-gaap_SellingAndMarketingExpense_019edb6b-34b9-7803-bd1d-8db1669cee9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_019edb6b-34b9-7798-94fe-27a01227b161" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-34b9-7386-8373-72f119262d54" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_019edb6b-34b9-7798-94fe-27a01227b161" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_019edb6b-34b9-7c46-a6ca-1dfbb1bbe3af" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-34b9-7386-8373-72f119262d54" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_019edb6b-34b9-7c46-a6ca-1dfbb1bbe3af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_AmortizationOfProductDevelopmentCosts_019edb6b-34b9-78cf-85e4-6a604a0d1a35" xlink:href="mh-20260630.xsd#mh_AmortizationOfProductDevelopmentCosts"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_mh_OperatingAndAdministrativeExpenses_019edb6b-34b9-7386-8373-72f119262d54" xlink:to="loc_mh_AmortizationOfProductDevelopmentCosts_019edb6b-34b9-78cf-85e4-6a604a0d1a35" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/GoodwillandOtherIntangibleAssetsSummaryofOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#GoodwillandOtherIntangibleAssetsSummaryofOtherIntangibleAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/GoodwillandOtherIntangibleAssetsSummaryofOtherIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-77f3-b0ad-6c4e7960532d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019edb6b-34b9-7d33-9428-a224aa29614e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-77f3-b0ad-6c4e7960532d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019edb6b-34b9-7d33-9428-a224aa29614e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019edb6b-34b9-777c-a324-03580aa67725" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-77f3-b0ad-6c4e7960532d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019edb6b-34b9-777c-a324-03580aa67725" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7d6a-b49a-1d8ef711260c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019edb6b-34b9-75d3-8066-3c90f526489c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7d6a-b49a-1d8ef711260c" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019edb6b-34b9-75d3-8066-3c90f526489c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019edb6b-34b9-716a-924c-65e932ceca6d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7d6a-b49a-1d8ef711260c" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_019edb6b-34b9-716a-924c-65e932ceca6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairment_019edb6b-34b9-7103-88f4-e84c3622ad89" xlink:href="mh-20260630.xsd#mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairment"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7d6a-b49a-1d8ef711260c" xlink:to="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairment_019edb6b-34b9-7103-88f4-e84c3622ad89" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019edb6b-34b9-7609-9cf7-8a93e72924e2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_019edb6b-34b9-7634-b90b-8dd123c4b397" xlink:href="mh-20260630.xsd#mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019edb6b-34b9-7609-9cf7-8a93e72924e2" xlink:to="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_019edb6b-34b9-7634-b90b-8dd123c4b397" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairment_019edb6b-34b9-7e5b-94d8-1f87a661ac0a" xlink:href="mh-20260630.xsd#mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019edb6b-34b9-7609-9cf7-8a93e72924e2" xlink:to="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedImpairment_019edb6b-34b9-7e5b-94d8-1f87a661ac0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019edb6b-34b9-7b15-af6a-281302da9eff" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019edb6b-34b9-7c85-8f82-706ada66b775" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019edb6b-34b9-7b15-af6a-281302da9eff" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_019edb6b-34b9-7c85-8f82-706ada66b775" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_019edb6b-34b9-70f0-b0fc-f9bd34f1de89" xlink:href="mh-20260630.xsd#mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_019edb6b-34b9-7b15-af6a-281302da9eff" xlink:to="loc_mh_IndefiniteLivedIntangibleAssetsExcludingGoodwillGross_019edb6b-34b9-70f0-b0fc-f9bd34f1de89" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/GoodwillandOtherIntangibleAssetsSummaryofOtherIntangibleAssetsDetails_1" xlink:type="simple" xlink:href="mh-20260630.xsd#GoodwillandOtherIntangibleAssetsSummaryofOtherIntangibleAssetsDetails_1"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/GoodwillandOtherIntangibleAssetsSummaryofOtherIntangibleAssetsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7b74-90f7-ea5d3891496e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7171-a1be-19bfae8c0e85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7b74-90f7-ea5d3891496e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7171-a1be-19bfae8c0e85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019edb6b-34b9-7434-bc43-191563081afd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_019edb6b-34b9-7b74-90f7-ea5d3891496e" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_019edb6b-34b9-7434-bc43-191563081afd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/GoodwillandOtherIntangibleAssetsExpectedAggregateAnnualAmortizationExpenseDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#GoodwillandOtherIntangibleAssetsExpectedAggregateAnnualAmortizationExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/GoodwillandOtherIntangibleAssetsExpectedAggregateAnnualAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_019edb6b-34b9-79ff-8b5b-5cbca0bbf11f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_019edb6b-34b9-79ff-8b5b-5cbca0bbf11f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_019edb6b-34b9-7226-9142-383e90837c56" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_019edb6b-34b9-7226-9142-383e90837c56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019edb6b-34b9-781e-8932-7841e77adc04" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_019edb6b-34b9-781e-8932-7841e77adc04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019edb6b-34b9-7cf1-981f-b4b3fb5a5d73" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_019edb6b-34b9-7cf1-981f-b4b3fb5a5d73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019edb6b-34b9-7b19-9f23-1faaafc74c15" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_019edb6b-34b9-7b19-9f23-1faaafc74c15" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_019edb6b-34b9-7755-8d4c-786db8fce374" xlink:href="mh-20260630.xsd#mh_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_019edb6b-34b9-7d93-a1dc-73bcb438164e" xlink:to="loc_mh_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_019edb6b-34b9-7755-8d4c-786db8fce374" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/PrepaidandOtherCurrentAssetsDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#PrepaidandOtherCurrentAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/PrepaidandOtherCurrentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-34b9-78d0-993c-b47d455f3e4f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNetCurrent_019edb6b-34b9-7457-89ef-68d9c92faa40" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNetCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-34b9-78d0-993c-b47d455f3e4f" xlink:to="loc_us-gaap_CapitalizedContractCostNetCurrent_019edb6b-34b9-7457-89ef-68d9c92faa40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidInsurance_019edb6b-34b9-79cc-96f0-8ba78dd13cb2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidInsurance"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-34b9-78d0-993c-b47d455f3e4f" xlink:to="loc_us-gaap_PrepaidInsurance_019edb6b-34b9-79cc-96f0-8ba78dd13cb2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidTaxes_019edb6b-34b9-790d-874a-387cc5f092d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PrepaidTaxes"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-34b9-78d0-993c-b47d455f3e4f" xlink:to="loc_us-gaap_PrepaidTaxes_019edb6b-34b9-790d-874a-387cc5f092d4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019edb6b-34b9-7dfa-9e22-1f2a93e57864" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_019edb6b-34b9-78d0-993c-b47d455f3e4f" xlink:to="loc_us-gaap_OtherAssetsCurrent_019edb6b-34b9-7dfa-9e22-1f2a93e57864" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/OtherCurrentLiabilitiesDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#OtherCurrentLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/OtherCurrentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_019edb6b-34b9-7adb-b45c-4d449dbc9fc5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerRefundLiabilityCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_019edb6b-34b9-7adb-b45c-4d449dbc9fc5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_019edb6b-34b9-706c-b453-9d47aa19ab16" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:to="loc_us-gaap_InterestPayableCurrent_019edb6b-34b9-706c-b453-9d47aa19ab16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_019edb6b-34b9-7df8-8979-052b2fd3db32" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:to="loc_us-gaap_TaxesPayableCurrent_019edb6b-34b9-7df8-8979-052b2fd3db32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_019edb6b-34b9-79fd-8977-08490e44d99a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_019edb6b-34b9-79fd-8977-08490e44d99a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveCurrent_019edb6b-34b9-74bb-9e5e-b26135cafa61" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringReserveCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:to="loc_us-gaap_RestructuringReserveCurrent_019edb6b-34b9-74bb-9e5e-b26135cafa61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSundryLiabilitiesCurrent_019edb6b-34b9-7f7c-8b64-e27d0d05b952" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherSundryLiabilitiesCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_019edb6b-34b9-72bf-b823-256b9764cac7" xlink:to="loc_us-gaap_OtherSundryLiabilitiesCurrent_019edb6b-34b9-7f7c-8b64-e27d0d05b952" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/SegmentReportingReconciliationofAdjustedEBITDAtoNetIncomeLossDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#SegmentReportingReconciliationofAdjustedEBITDAtoNetIncomeLossDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/SegmentReportingReconciliationofAdjustedEBITDAtoNetIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_mh_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization_019edb6b-34b9-79e9-94b3-c47f20fff7ab" xlink:href="mh-20260630.xsd#mh_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_mh_AdjustedEarningsBeforeInterestTaxDepreciationAndAmortization_019edb6b-34b9-79e9-94b3-c47f20fff7ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019edb6b-34b9-7cc6-b1e5-565fb213f59e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_InterestIncomeExpenseNonoperatingNet_019edb6b-34b9-7cc6-b1e5-565fb213f59e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019edb6b-34b9-7914-8590-b7ff0799f4e4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019edb6b-34b9-7914-8590-b7ff0799f4e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019edb6b-34b9-7073-8a06-eb2c2ee51e0e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019edb6b-34b9-7073-8a06-eb2c2ee51e0e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_019edb6b-34b9-7751-9650-1718ef909271" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_RestructuringCharges_019edb6b-34b9-7751-9650-1718ef909271" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ManagementFeeExpense_019edb6b-34b9-78fb-ac82-cd3b27f92c72" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ManagementFeeExpense"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_ManagementFeeExpense_019edb6b-34b9-78fb-ac82-cd3b27f92c72" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_019edb6b-34b9-71a4-9e73-c07fb6bd19b3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessCombinationIntegrationRelatedCosts"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_BusinessCombinationIntegrationRelatedCosts_019edb6b-34b9-71a4-9e73-c07fb6bd19b3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019edb6b-34b9-7665-b73b-f026b7f54edf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019edb6b-34b9-7665-b73b-f026b7f54edf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019f597e-ba26-7ef8-b5c9-c085b3ec2cac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019edb6b-34b9-78a2-85cd-099be243a593" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019f597e-ba26-7ef8-b5c9-c085b3ec2cac" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.mheducation.com/role/EarningsLossperShareComputationofBasicandDilutedEarningsLossperShareDetails" xlink:type="simple" xlink:href="mh-20260630.xsd#EarningsLossperShareComputationofBasicandDilutedEarningsLossperShareDetails"/>
  <link:calculationLink xlink:role="http://www.mheducation.com/role/EarningsLossperShareComputationofBasicandDilutedEarningsLossperShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019edb6b-34b9-7211-80ee-262336fde396" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019edb6b-34b9-747b-9a72-075a3ebe217a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019edb6b-34b9-7211-80ee-262336fde396" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019edb6b-34b9-747b-9a72-075a3ebe217a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_019edb6b-34b9-7b1c-8973-671559070dd2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019edb6b-34b9-7211-80ee-262336fde396" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_019edb6b-34b9-7b1c-8973-671559070dd2" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
