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<!--Created on: 6/11/2026 8:20:47 PM-->
<!--Modified on: 6/11/2026 8:20:47 PM-->
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  <xsd:element name="Fidelity500IndexFundMember" id="bld_Fidelity500IndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HarborCapitalAppreciationFundInstitutionalClassMember" id="bld_HarborCapitalAppreciationFundInstitutionalClassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DodgeAndCoxStockFundMember" id="bld_DodgeAndCoxStockFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidelityGlobalExU.s.IndexFundMember" id="bld_FidelityGlobalExU.s.IndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidelityGovernmentMoneyMarketFundMember" id="bld_FidelityGovernmentMoneyMarketFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PimcoTotalReturnFundInstitutionalClassMember" id="bld_PimcoTotalReturnFundInstitutionalClassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidelityExtendedMarketIndexFundMember" id="bld_FidelityExtendedMarketIndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidelityU.s.BondIndexFundMember" id="bld_FidelityU.s.BondIndexFundMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidelityDiversifiedInternationalFundClassKMember" id="bld_FidelityDiversifiedInternationalFundClassKMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2035TrustMember" id="bld_FidFrdmIndexTargetDate2035TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2030TrustMember" id="bld_FidFrdmIndexTargetDate2030TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2040TrustMember" id="bld_FidFrdmIndexTargetDate2040TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2045TrustMember" id="bld_FidFrdmIndexTargetDate2045TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2050TrustMember" id="bld_FidFrdmIndexTargetDate2050TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2025TrustMember" id="bld_FidFrdmIndexTargetDate2025TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2055TrustMember" id="bld_FidFrdmIndexTargetDate2055TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2060TrustMember" id="bld_FidFrdmIndexTargetDate2060TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2020TrustMember" id="bld_FidFrdmIndexTargetDate2020TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2065TrustMember" id="bld_FidFrdmIndexTargetDate2065TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FiamSmallCapitalizationCoreCommingledPoolClassGMember" id="bld_FiamSmallCapitalizationCoreCommingledPoolClassGMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2015TrustMember" id="bld_FidFrdmIndexTargetDate2015TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDateIncomeTrustMember" id="bld_FidFrdmIndexTargetDateIncomeTrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FidFrdmIndexTargetDate2010TrustMember" id="bld_FidFrdmIndexTargetDate2010TrustMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EmployeeBenefitPlanMergerAgreementStockConsiderationPerShare" id="bld_EmployeeBenefitPlanMergerAgreementStockConsiderationPerShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
</xsd:schema>
