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  <xs:element id="mms_DebtInstrumentCovenantConsolidatedLeverageRatio" abstract="false" name="DebtInstrumentCovenantConsolidatedLeverageRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="mms_OutsideTheUSMember" abstract="true" name="OutsideTheUSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="mms_DisruptionOfMarketsIncreaseDecreaseInRevenue" abstract="false" name="DisruptionOfMarketsIncreaseDecreaseInRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mms_USServicesMember" abstract="true" name="USServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="mms_DeferredCompensationPlanFundedPercentage" abstract="false" name="DeferredCompensationPlanFundedPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="num:percentItemType"/>
</xs:schema>
