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  <xs:element id="msbi_TransferOfLoansServicingRightsHeldForSaleToLoanServicingRightsAtLowerOfCostOrFairValue" abstract="false" name="TransferOfLoansServicingRightsHeldForSaleToLoanServicingRightsAtLowerOfCostOrFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_LoansProvidedForSaleOfConsumerLoansHeldForSale" abstract="false" name="LoansProvidedForSaleOfConsumerLoansHeldForSale" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_FHLBADVANCES" abstract="true" name="FHLBADVANCES" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="msbi_ScheduleOfChangesInFinancingReceivableRelatedPartiesRollForwardTableTextBlock" abstract="false" name="ScheduleOfChangesInFinancingReceivableRelatedPartiesRollForwardTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="msbi_ScheduleOfTransitioningRiskStatesForEachAssetPoolWithinExpectedCreditLossModelTableTextBlock" abstract="false" name="ScheduleOfTransitioningRiskStatesForEachAssetPoolWithinExpectedCreditLossModelTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="msbi_ScheduleOfCollateralDependentLoansTableTextBlock" abstract="false" name="ScheduleOfCollateralDependentLoansTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="msbi_AgencyMortgageBackedSecuritiesMember" abstract="true" name="AgencyMortgageBackedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NonagencyMortgageBackedSecuritiesMember" abstract="true" name="NonagencyMortgageBackedSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_StudentLoanAssetBackedMember" abstract="true" name="StudentLoanAssetBackedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CorporateDebtAndEquitySecuritiesMember" abstract="true" name="CorporateDebtAndEquitySecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValuesAbstract" abstract="true" name="AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValuesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="msbi_AvailableForSaleSecuritiesInUnrealizedLossPositionsAggregateDepreciationPercentage" abstract="false" name="AvailableForSaleSecuritiesInUnrealizedLossPositionsAggregateDepreciationPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="msbi_CommercialOtherLoansMember" abstract="true" name="CommercialOtherLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CommercialRealEstateNonOwnerOccupiedLoansMember" abstract="true" name="CommercialRealEstateNonOwnerOccupiedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CommercialRealEstateOwnerOccupiedLoansMember" abstract="true" name="CommercialRealEstateOwnerOccupiedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_FarmlandLoansMember" abstract="true" name="FarmlandLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_ConstructionAndLandDevelopmentLoanMember" abstract="true" name="ConstructionAndLandDevelopmentLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_OtherResidentialLoansMember" abstract="true" name="OtherResidentialLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_OtherConsumerLoansMember" abstract="true" name="OtherConsumerLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_DirectorsExecutiveOfficersPrincipalShareholdersAndAffiliatesMember" abstract="true" name="DirectorsExecutiveOfficersPrincipalShareholdersAndAffiliatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NotesReceivableRollForward" abstract="true" name="NotesReceivableRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="msbi_FinancingReceivableAfterAllowanceForCreditLossAdditions" abstract="false" name="FinancingReceivableAfterAllowanceForCreditLossAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_FinancingReceivableAfterAllowanceForCreditLossReductions" abstract="false" name="FinancingReceivableAfterAllowanceForCreditLossReductions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_CommercialRealEstateLoansMember" abstract="true" name="CommercialRealEstateLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_ResidentialRealEstateLoanMember" abstract="true" name="ResidentialRealEstateLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_ConsumerLoansAndEquipmentFinanceLoansAndLeasesMember" abstract="true" name="ConsumerLoansAndEquipmentFinanceLoansAndLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CreditRiskStateOneMember" abstract="true" name="CreditRiskStateOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CreditRiskStateTwoMember" abstract="true" name="CreditRiskStateTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CreditRiskStateThreeMember" abstract="true" name="CreditRiskStateThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CreditRiskStateFourMember" abstract="true" name="CreditRiskStateFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CreditRiskStateDefaultMember" abstract="true" name="CreditRiskStateDefaultMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_FinancingReceivableNonaccrualWithAllowance" abstract="false" name="FinancingReceivableNonaccrualWithAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_BlanketLienMember" abstract="true" name="BlanketLienMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CollateralDependentLoans" abstract="false" name="CollateralDependentLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_FinancingReceivableModifiedInPeriodNumberOfContracts" abstract="false" name="FinancingReceivableModifiedInPeriodNumberOfContracts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="msbi_MaturityDeferralAndInterestRateReductionMember" abstract="true" name="MaturityDeferralAndInterestRateReductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_ExtendedMaturityAndMaturityDeferralMember" abstract="true" name="ExtendedMaturityAndMaturityDeferralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NumberOfMainRegions" abstract="false" name="NumberOfMainRegions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="msbi_LoanPortfoliosExcludingCommercialMember" abstract="true" name="LoanPortfoliosExcludingCommercialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_SubstandardNonaccrualMember" abstract="true" name="SubstandardNonaccrualMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NotGradedMember" abstract="true" name="NotGradedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_CommercialLoansExcludingOtherMember" abstract="true" name="CommercialLoansExcludingOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_ConsumerLoansExcludingOtherMember" abstract="true" name="ConsumerLoansExcludingOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_FinancingReceivableExcludingAccruedInterestOriginatedRevolvingWriteoff" abstract="false" name="FinancingReceivableExcludingAccruedInterestOriginatedRevolvingWriteoff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_InvestmentSecuritiesAvailableForSaleMember" abstract="true" name="InvestmentSecuritiesAvailableForSaleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_FHLBAdvancesBrokeredCDsAndOtherBorrowingsMember" abstract="true" name="FHLBAdvancesBrokeredCDsAndOtherBorrowingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_RepurchaseAgreementMember" abstract="true" name="RepurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_MidlandStatesBankMember" abstract="true" name="MidlandStatesBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_FixedRateFixedTermLoanMaturingOctober2029Member" abstract="true" name="FixedRateFixedTermLoanMaturingOctober2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_PutableFixedRateMaturingThroughMay2036Member" abstract="true" name="PutableFixedRateMaturingThroughMay2036Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_UndistributedEarningsToCommonShareholders" abstract="false" name="UndistributedEarningsToCommonShareholders" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_CreditEnhancementAssetFairValueDisclosure" abstract="false" name="CreditEnhancementAssetFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_FairValueAssetsLiabilitiesAndStockholdersEquityMeasuredOnNonRecurringBasisAbstract" abstract="true" name="FairValueAssetsLiabilitiesAndStockholdersEquityMeasuredOnNonRecurringBasisAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="msbi_FinancingReceivableIndividuallyEvaluatedForCreditLossAverageRecordedInvestment" abstract="false" name="FinancingReceivableIndividuallyEvaluatedForCreditLossAverageRecordedInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_RealEstateOwnedOtherFairValueDisclosure" abstract="false" name="RealEstateOwnedOtherFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_FairValueGainsLossesRecognizedOnAssetsMeasuredOnNonRecurringBasisAbstract" abstract="true" name="FairValueGainsLossesRecognizedOnAssetsMeasuredOnNonRecurringBasisAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="msbi_FairValueGainsLossesRecognizedOnAssetsMeasuredOnNonRecurringBasisImpairedLoans" abstract="false" name="FairValueGainsLossesRecognizedOnAssetsMeasuredOnNonRecurringBasisImpairedLoans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_FairValueGainsLossesRecognizedOnAssetsMeasuredOnNonRecurringBasis" abstract="false" name="FairValueGainsLossesRecognizedOnAssetsMeasuredOnNonRecurringBasis" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_MeasurementInputDiscountRateForTypeOfPropertyAgeOfAppraisalAndCurrentStatusMember" abstract="true" name="MeasurementInputDiscountRateForTypeOfPropertyAgeOfAppraisalAndCurrentStatusMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_OtherRealEstateLoansLoanReceivablesMember" abstract="true" name="OtherRealEstateLoansLoanReceivablesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_ImpairedFinancingReceivableMeasurementInput" abstract="false" name="ImpairedFinancingReceivableMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="msbi_LoanCommitments" abstract="false" name="LoanCommitments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_NumberOfReportableSegmentsDisclosedByDefinitionFlag" abstract="false" name="NumberOfReportableSegmentsDisclosedByDefinitionFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:booleanItemType"/>
  <xs:element id="msbi_BankingSegmentMember" abstract="true" name="BankingSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_WealthManagementMember" abstract="true" name="WealthManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NoninterestIncomeOtherAdjusted" abstract="false" name="NoninterestIncomeOtherAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_NoninterestExpenseOtherAdjusted" abstract="false" name="NoninterestExpenseOtherAdjusted" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_AssetManagementMember" abstract="true" name="AssetManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_OtherWealthManagementRevenueMember" abstract="true" name="OtherWealthManagementRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NonsufficientFundFeesMember" abstract="true" name="NonsufficientFundFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_OtherDepositAccountMember" abstract="true" name="OtherDepositAccountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_InterchangeRevenuesMember" abstract="true" name="InterchangeRevenuesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="msbi_NoninterestIncomeOutOfScopeOfTopic606" abstract="false" name="NoninterestIncomeOutOfScopeOfTopic606" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="msbi_JeffreyG.LudwigMember" abstract="true" name="JeffreyG.LudwigMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
