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        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stefaan Sercu</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Mark Sweigart</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Jay Watkins</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Harry Yan</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Luca Zanotti</PersonNm>
        <TitleTxt>Board Member</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lisa Darling</PersonNm>
        <TitleTxt>Head of School</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>965540</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>32147</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John Murphy</PersonNm>
        <TitleTxt>CFO</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>284153</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>37744</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Pierre Puget</PersonNm>
        <TitleTxt>Proviseur</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>271977</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>35726</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Thomas Oden</PersonNm>
        <TitleTxt>Secondary Head</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>201698</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33483</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Tim Long</PersonNm>
        <TitleTxt>Lower School Head</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <KeyEmployeeInd>X</KeyEmployeeInd>
        <ReportableCompFromOrgAmt>173579</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>23829</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Erika Kling</PersonNm>
        <TitleTxt>Senior Philanthropic Advisor</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>194048</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>23720</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Kate Adams</PersonNm>
        <TitleTxt>Chief Academic Officer</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>209763</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>25594</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Don Davis</PersonNm>
        <TitleTxt>Director of Facilities</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>161211</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>31274</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Lindsay Youngdahl</PersonNm>
        <TitleTxt>Athletic Director</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16455</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephanie Alvarez</PersonNm>
        <TitleTxt>Controller</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>30475</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>2745890</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>290447</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>33</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Sage Dining Services Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1402 York Road</AddressLine1Txt>
            <CityNm>Lutherville</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21093</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Cafeteria services</ServicesDesc>
        <CompensationAmt>2346572</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>AFC Corp Transportation</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>15734 Aldine Westfield Rd</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77032</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Bus services</ServicesDesc>
        <CompensationAmt>708254</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Lake Flato Architects</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>311 3rd St</AddressLine1Txt>
            <CityNm>San Antonio</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>78205</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Architect services</ServicesDesc>
        <CompensationAmt>406595</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CRX Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>8720 Meadowcroft Dr</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77063</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction services</ServicesDesc>
        <CompensationAmt>363844</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Excelsior Travel &amp; Tours Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1808 Antoine Dr Ste B</AddressLine1Txt>
            <CityNm>Houston</CityNm>
            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>77055</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Travel services</ServicesDesc>
        <CompensationAmt>218785</CompensationAmt>
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      <CntrctRcvdGreaterThan100KCnt>11</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>448308</FundraisingAmt>
      <GovernmentGrantsAmt>74880</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>2032230</AllOtherContributionsAmt>
      <NoncashContributionsAmt>145305</NoncashContributionsAmt>
      <TotalContributionsAmt>2555418</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Tuition and fees</Desc>
        <BusinessCd>611600</BusinessCd>
        <TotalRevenueColumnAmt>55777142</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>55777142</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Program service fees</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>3598034</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3598034</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Bus services</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>283023</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>283023</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Cafe revenue</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>105142</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>105142</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>Other program revenue</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>60992</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>60992</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>59824333</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1214130</TotalRevenueColumnAmt>
        <ExclusionAmt>1214130</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>14150234</SecuritiesAmt>
        <OtherAmt>2900</OtherAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>13345795</SecuritiesAmt>
        <OtherAmt>274610</OtherAmt>
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      <GainOrLossGrp>
        <SecuritiesAmt>804439</SecuritiesAmt>
        <OtherAmt>-271710</OtherAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>532729</TotalRevenueColumnAmt>
        <ExclusionAmt>532729</ExclusionAmt>
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      <FundraisingGrossIncomeAmt>586585</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>448308</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>302632</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>283953</TotalRevenueColumnAmt>
        <ExclusionAmt>283953</ExclusionAmt>
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      <GrossSalesOfInventoryAmt>785159</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>456042</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>329117</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>329117</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>64739680</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>60153450</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>2030812</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>2543467</TotalAmt>
        <ProgramServicesAmt>2543467</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>2059875</TotalAmt>
        <ProgramServicesAmt>1860090</ProgramServicesAmt>
        <ManagementAndGeneralAmt>143884</ManagementAndGeneralAmt>
        <FundraisingAmt>55901</FundraisingAmt>
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        <ProgramServicesAmt>23742914</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1836591</ManagementAndGeneralAmt>
        <FundraisingAmt>713548</FundraisingAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>816337</ProgramServicesAmt>
        <ManagementAndGeneralAmt>63146</ManagementAndGeneralAmt>
        <FundraisingAmt>24534</FundraisingAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>5659744</TotalAmt>
        <ProgramServicesAmt>5110812</ProgramServicesAmt>
        <ManagementAndGeneralAmt>395337</ManagementAndGeneralAmt>
        <FundraisingAmt>153595</FundraisingAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>2012858</TotalAmt>
        <ProgramServicesAmt>1817633</ProgramServicesAmt>
        <ManagementAndGeneralAmt>140600</ManagementAndGeneralAmt>
        <FundraisingAmt>54625</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>69183</TotalAmt>
        <ManagementAndGeneralAmt>69183</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>44843</TotalAmt>
        <ManagementAndGeneralAmt>44843</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>109506</TotalAmt>
        <ManagementAndGeneralAmt>109506</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>978274</TotalAmt>
        <ProgramServicesAmt>761623</ProgramServicesAmt>
        <ManagementAndGeneralAmt>199194</ManagementAndGeneralAmt>
        <FundraisingAmt>17457</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>92693</TotalAmt>
        <FundraisingAmt>92693</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1242325</TotalAmt>
        <ProgramServicesAmt>645225</ProgramServicesAmt>
        <ManagementAndGeneralAmt>518050</ManagementAndGeneralAmt>
        <FundraisingAmt>79050</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>809144</TotalAmt>
        <ProgramServicesAmt>733938</ProgramServicesAmt>
        <ManagementAndGeneralAmt>68245</ManagementAndGeneralAmt>
        <FundraisingAmt>6961</FundraisingAmt>
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      <OccupancyGrp>
        <TotalAmt>2400222</TotalAmt>
        <ProgramServicesAmt>2276705</ProgramServicesAmt>
        <ManagementAndGeneralAmt>110132</ManagementAndGeneralAmt>
        <FundraisingAmt>13385</FundraisingAmt>
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      <TravelGrp>
        <TotalAmt>1896154</TotalAmt>
        <ProgramServicesAmt>1853164</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42990</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>1181272</TotalAmt>
        <ProgramServicesAmt>800191</ProgramServicesAmt>
        <ManagementAndGeneralAmt>228023</ManagementAndGeneralAmt>
        <FundraisingAmt>153058</FundraisingAmt>
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      <InterestGrp>
        <TotalAmt>269018</TotalAmt>
        <ProgramServicesAmt>269018</ProgramServicesAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>4800573</TotalAmt>
        <ProgramServicesAmt>4565759</ProgramServicesAmt>
        <ManagementAndGeneralAmt>207972</ManagementAndGeneralAmt>
        <FundraisingAmt>26842</FundraisingAmt>
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      <InsuranceGrp>
        <TotalAmt>493748</TotalAmt>
        <ProgramServicesAmt>470423</ProgramServicesAmt>
        <ManagementAndGeneralAmt>20659</ManagementAndGeneralAmt>
        <FundraisingAmt>2666</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>Cafeteria expenses</Desc>
        <TotalAmt>2042683</TotalAmt>
        <ProgramServicesAmt>2042683</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Edu materials, programs</Desc>
        <TotalAmt>1661616</TotalAmt>
        <ProgramServicesAmt>1661616</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>Field trips</Desc>
        <TotalAmt>674725</TotalAmt>
        <ProgramServicesAmt>674725</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Memberships/subscript.</Desc>
        <TotalAmt>212978</TotalAmt>
        <ProgramServicesAmt>193752</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13437</ManagementAndGeneralAmt>
        <FundraisingAmt>5789</FundraisingAmt>
      </OtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>58451971</TotalAmt>
        <ProgramServicesAmt>52840075</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4211792</ManagementAndGeneralAmt>
        <FundraisingAmt>1400104</FundraisingAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>4177</BOYAmt>
        <EOYAmt>4177</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>77003641</BOYAmt>
        <EOYAmt>56628090</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>7443201</BOYAmt>
        <EOYAmt>5458935</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>172320</BOYAmt>
        <EOYAmt>132301</EOYAmt>
      </AccountsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>211469</BOYAmt>
        <EOYAmt>379057</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>852337</BOYAmt>
        <EOYAmt>927229</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>153211513</LandBldgEquipCostOrOtherBssAmt>
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        <PersonNm>Erika Kling</PersonNm>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Tim Long</PersonNm>
        <TitleTxt>Lower School Head</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Don Davis</PersonNm>
        <TitleTxt>Director of Facilities</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>8101</DeferredCompensationFlngOrgAmt>
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        <TotalCompensationFilingOrgAmt>192485</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Stephanie Alvarez</PersonNm>
        <TitleTxt>Controller</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>6895</BonusFilingOrganizationAmount>
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        <TotalCompensationFilingOrgAmt>170457</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Lindsay Youngdahl</PersonNm>
        <TitleTxt>Athletic Director</TitleTxt>
        <BaseCompensationFilingOrgAmt>142044</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1895</BonusFilingOrganizationAmount>
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        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>160394</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>The Head of School, Lisa Darling, received a housing allowance ($30,000), a health/social club membership ($3,832) and car allowance ($8,772). These benefits are included in her taxable compensation. The total of $42,604 is included in Part II, Col (B)(iii). The French Proviseur received tuition remisison benefits of $16,115 for the 2022-23 school year. He did not receive grossed-up bonuses to cover the additional tax on this benefit. All school employees, including those reported on Part VII, received bonus payments in November and December 2022 that were grossed up.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Lisa Darling participated in a Section 457(f) nonqualified plan. For a five-year term, the school made annual contributions to the 457(f) plan equal to 20% of her base salary. School contributions to the plan over the 5 year term totaling $422,144 were fully vested on June 30, 2022 and were paid out to Lisa Darling in July 2022. This amount is included in Part II, Col (B)(iii).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
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        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>Arlington Higher Ed Fin</BusinessNameLine1Txt>
        </IssuerName>
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        <BondIssuedDt>2020-04-21</BondIssuedDt>
        <IssuePriceAmt>65000000</IssuePriceAmt>
        <PurposeDesc>Loan refinancing, capital construction</PurposeDesc>
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        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>1458125</RetiredAmt>
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        <CapitalExpendituresAmt>51051894</CapitalExpendituresAmt>
        <OtherSpentProceedsAmt>13573319</OtherSpentProceedsAmt>
        <RefundingTaxExemptBondsInd>1</RefundingTaxExemptBondsInd>
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        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
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      <TaxExemptBondsPrivateBusUseGrp>
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        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>1</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
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      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Supplemental Information:</FormAndLineReferenceDesc>
        <ExplanationTxt>The bond reported on Schedule K was previously treated as two separate financing transactions. Upon the recommendation of bond counsel, however, the two transactions are now being combined for tax reporting purposes.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleK>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>6</ContributionCnt>
        <NoncashContributionsRptF990Amt>39760</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Auction items</Desc>
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        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
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      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is provided to the full Board of Trustees prior to filing with the IRS, following completion of the Finance and Audit Committee's review. Awty will try to maintain a donor's anonymity when requested by the donor to the extent allowable by the IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>A conflict of interest agreement is signed by each Trustee and key employee and submitted to the CFO annually.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Head of School has a long-term employment agreement that is reviewed and executed by the Board Chair. To determine compensation for the Head of School, the Board reviews a Head of School compensation study of other independent schools in the United States. For other key positions, the School compares base salaries to similar positions at other independent schools in the United States with similar enrollment, annual tuition and total employees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>1110 NPO LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>7455 Awty School Lane</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77055</ZIPCd>
        </USAddress>
        <EIN>471087340</EIN>
        <PrimaryActivitiesTxt>Hold real property for the benefit of AIS</PrimaryActivitiesTxt>
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        <TotalIncomeAmt>0</TotalIncomeAmt>
        <EndOfYearAssetsAmt>21612312</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>The Awty International School</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>1495 POP Inc</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>7455 Awty School Lane</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77055</ZIPCd>
        </USAddress>
        <EIN>201056344</EIN>
        <PrimaryActivitiesTxt>Hold real property for the benefit of AIS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>TX</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12b</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>The Awty International School</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>7502 Old Katy Road Company</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>7455 Awty School Lane</AddressLine1Txt>
          <CityNm>Houston</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>77055</ZIPCd>
        </USAddress>
        <EIN>710888921</EIN>
        <PrimaryActivitiesTxt>Hold real property for the benefit of AIS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>TX</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12b</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>The Awty International School</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
