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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DR EARL J BALL III</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MR MATTHEW T TWYMAN III</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MR JON ABRAMCZYK</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DR ANTHONY CUCUZZELLA</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MR REGIS DE RAMEL</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MS CARMEN WALLACE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MS GINA WARD</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ELIZABETH SPEERS</PersonNm>
        <TitleTxt>HEAD OF SCHOOL</TitleTxt>
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        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>432775</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>48898</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JANET PLYLER</PersonNm>
        <TitleTxt>BUSINESS MANAGER (THRU 8/16)</TitleTxt>
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        <ReportableCompFromOrgAmt>161874</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21044</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>THOMAS HOCH</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>101319</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>16835</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PAUL CAPODANNO</PersonNm>
        <TitleTxt>HEAD OF MIDDLE SCHOOL</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>7846</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SUSAN MILLER</PersonNm>
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        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>108554</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>17429</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL HICKEY</PersonNm>
        <TitleTxt>HEAD OF UPPER SCH/ASST HEAD OF SCH</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>24050</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN HOLLOWAY</PersonNm>
        <TitleTxt>ATHLETIC DIRECTOR</TitleTxt>
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        <ReportableCompFromOrgAmt>109868</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>8207</OtherCompensationAmt>
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      <TotalReportableCompFromOrgAmt>1125085</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>144309</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>7</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CULINART GROUP</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 417632</AddressLine1Txt>
            <CityNm>BOSTON</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02241</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CATERING/DINING SERVICE</ServicesDesc>
        <CompensationAmt>703330</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>FIRST CHOICE CLEANING SERVICE</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1722 NEWPORT GAP PIKE</AddressLine1Txt>
            <CityNm>WILMINGTON</CityNm>
            <StateAbbreviationCd>DE</StateAbbreviationCd>
            <ZIPCd>19808</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CLEANING SERVICE</ServicesDesc>
        <CompensationAmt>312816</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MODERN CONTROLS</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>7 BELLECOR DR</AddressLine1Txt>
            <CityNm>NEW CASTLE</CityNm>
            <StateAbbreviationCd>DE</StateAbbreviationCd>
            <ZIPCd>19720</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EQUIPMENT SERVICE</ServicesDesc>
        <CompensationAmt>214796</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>NASH OMNISCAPING LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>P O BOX 40</AddressLine1Txt>
            <CityNm>MONTCHANIN</CityNm>
            <StateAbbreviationCd>DE</StateAbbreviationCd>
            <ZIPCd>19710</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LANDSCAPER</ServicesDesc>
        <CompensationAmt>195014</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>LEHANE'S BUS SERVICE INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1705 NEW CASTLE AVENUE</AddressLine1Txt>
            <CityNm>NEW CASTLE</CityNm>
            <StateAbbreviationCd>DE</StateAbbreviationCd>
            <ZIPCd>19720</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>TRANSPORTATION SERVICE</ServicesDesc>
        <CompensationAmt>140454</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>8</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>1229172</AllOtherContributionsAmt>
      <NoncashContributionsAmt>215639</NoncashContributionsAmt>
      <TotalContributionsAmt>1229172</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>TUITION</Desc>
        <BusinessCd>611110</BusinessCd>
        <TotalRevenueColumnAmt>18569570</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>18569570</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>AUXILIARY ENTERPRISES</Desc>
        <BusinessCd>611110</BusinessCd>
        <TotalRevenueColumnAmt>371493</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>371493</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>AFTER SCHOOL PROGRAM FEES</Desc>
        <BusinessCd>611110</BusinessCd>
        <TotalRevenueColumnAmt>335034</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>335034</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SUMMER CAMP PROGRAM FEES</Desc>
        <BusinessCd>611110</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>134724</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>19410821</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>684480</TotalRevenueColumnAmt>
        <ExclusionAmt>684480</ExclusionAmt>
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      <GrossRentsGrp>
        <RealAmt>27913</RealAmt>
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      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>27913</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>27913</TotalRevenueColumnAmt>
        <ExclusionAmt>27913</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>5324882</SecuritiesAmt>
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      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>4985047</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>339835</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>339835</TotalRevenueColumnAmt>
        <ExclusionAmt>339835</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <GrossSalesOfInventoryAmt>162533</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>94497</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>68036</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>68036</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>MISCELLANEOUS</Desc>
        <BusinessCd>611110</BusinessCd>
        <TotalRevenueColumnAmt>42278</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>42278</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>42278</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>21802535</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19521135</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1052228</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>3944273</TotalAmt>
        <ProgramServicesAmt>3944273</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
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        <ProgramServicesAmt>200969</ProgramServicesAmt>
        <ManagementAndGeneralAmt>325565</ManagementAndGeneralAmt>
        <FundraisingAmt>156752</FundraisingAmt>
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        <ProgramServicesAmt>8073242</ProgramServicesAmt>
        <ManagementAndGeneralAmt>451379</ManagementAndGeneralAmt>
        <FundraisingAmt>541083</FundraisingAmt>
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      <PensionPlanContributionsGrp>
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        <ProgramServicesAmt>534827</ProgramServicesAmt>
        <ManagementAndGeneralAmt>43261</ManagementAndGeneralAmt>
        <FundraisingAmt>43293</FundraisingAmt>
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        <ProgramServicesAmt>1100067</ProgramServicesAmt>
        <ManagementAndGeneralAmt>155468</ManagementAndGeneralAmt>
        <FundraisingAmt>88605</FundraisingAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>689458</TotalAmt>
        <ProgramServicesAmt>574829</ProgramServicesAmt>
        <ManagementAndGeneralAmt>61235</ManagementAndGeneralAmt>
        <FundraisingAmt>53394</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>20150</TotalAmt>
        <ProgramServicesAmt>20150</ProgramServicesAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>314765</TotalAmt>
        <ManagementAndGeneralAmt>314765</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>118665</TotalAmt>
        <ManagementAndGeneralAmt>118665</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
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        <ProgramServicesAmt>1082994</ProgramServicesAmt>
        <ManagementAndGeneralAmt>7824</ManagementAndGeneralAmt>
        <FundraisingAmt>97846</FundraisingAmt>
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        <ProgramServicesAmt>165776</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13288</ManagementAndGeneralAmt>
        <FundraisingAmt>44039</FundraisingAmt>
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        <ProgramServicesAmt>281271</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15004</ManagementAndGeneralAmt>
        <FundraisingAmt>14951</FundraisingAmt>
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        <ProgramServicesAmt>302650</ProgramServicesAmt>
        <ManagementAndGeneralAmt>54575</ManagementAndGeneralAmt>
        <FundraisingAmt>18069</FundraisingAmt>
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      <DepreciationDepletionGrp>
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        <ProgramServicesAmt>1671547</ProgramServicesAmt>
        <ManagementAndGeneralAmt>178069</ManagementAndGeneralAmt>
        <FundraisingAmt>155265</FundraisingAmt>
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        <ProgramServicesAmt>415243</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42089</ManagementAndGeneralAmt>
        <FundraisingAmt>27435</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>EVENTS</Desc>
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        <ProgramServicesAmt>53926</ProgramServicesAmt>
        <ManagementAndGeneralAmt>80866</ManagementAndGeneralAmt>
        <FundraisingAmt>73598</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>FEES AND MISCELLANEOUS</Desc>
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        <ProgramServicesAmt>48745</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9197</ManagementAndGeneralAmt>
        <FundraisingAmt>16931</FundraisingAmt>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>19304619</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2475776</ManagementAndGeneralAmt>
        <FundraisingAmt>1408191</FundraisingAmt>
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        <EOYAmt>1016343</EOYAmt>
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        <EOYAmt>1493043</EOYAmt>
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      <OthNotesLoansReceivableNetGrp>
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        <EOYAmt>6974</EOYAmt>
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        <EOYAmt>111438</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>60526745</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>30025106</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>30501639</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
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        <EOYAmt>26762919</EOYAmt>
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        <EOYAmt>10856007</EOYAmt>
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        <EOYAmt>70748363</EOYAmt>
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      <DeferredRevenueGrp>
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        <EOYAmt>5082285</EOYAmt>
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        <EOYAmt>58810</EOYAmt>
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      <TotalLiabilitiesGrp>
        <BOYAmt>5691011</BOYAmt>
        <EOYAmt>5141095</EOYAmt>
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      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>41931855</BOYAmt>
        <EOYAmt>40015929</EOYAmt>
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      <TemporarilyRstrNetAssetsGrp>
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        <EOYAmt>2621131</EOYAmt>
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      <PermanentlyRstrNetAssetsGrp>
        <BOYAmt>20178343</BOYAmt>
        <EOYAmt>22970208</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>62627085</BOYAmt>
        <EOYAmt>65607268</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>70748363</EOYAmt>
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      <NetUnrlzdGainsLossesInvstAmt>4366234</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingOtherInd methodOfAccountingOtherDesc="MOD. CASH">X</MethodOfAccountingOtherInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
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        <ExplanationTxt>THE ASSOCIATION IS EXEMPT FROM INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE ("CODE"). ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN AND RECOGNIZE A TAX LIABILITY IF THE ASSOCIATION HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY A GOVERNMENT AUTHORITY. MANAGEMENT HAS ANALYZED THE TAX POSITIONS TAKEN BY THE ASSOCIATION, AND HAS CONCLUDED THAT AS OF JUNE 30, 2017, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE ASSOCIATION RECOGNIZES ACCRUED INTEREST AND PENALTIES ASSOCIATED WITH UNCERTAIN TAX POSITIONS, IF ANY. THERE WAS NO INCOME TAX RELATED INTEREST OR PENALTIES RECORDED FOR THE YEAR ENDED JUNE 30, 2017.</ExplanationTxt>
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        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
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        <FormAndLineReferenceDesc>FORM 990. PART I. LINE 19. [NET LOSS]</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL'S AUDITED FINANCIAL STATEMENTS REFLECT A NET GAIN OF $2.8 MILLION. THIS GAIN INCLUDES $4.3 MILLION IN UNREALIZED GAINS ON INVESTMENTS, WHICH ARE REQUIRED TO BE EXCLUDED FROM REVENUE ON THE 990. THIS REQUIRED ADJUSTMENT TO REVENUE FOR 990 PURPOSES LEADS TO AN APPARENT LOSS ON THE 990 OF $1.3 MILLION. THIS LOSS REFLECTS A DIFFERENCE IN RECORDING OF REVENUE FOR 990 PURPOSES, NOT A TRUE LOSS FOR THE FISCAL PERIOD COVERED BY THE TAX RETURN.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED AND APPROVED BY THE HEAD OF SCHOOL AND THE AUDIT COMMITTEE. PRIOR TO FILING, THE FINAL DRAFT OF THE FORM 990 IS MADE AVAILABLE TO THE BOARD OF TRUSTEES FOR THEIR REVIEW.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TRUSTEES ARE REQUIRED ANNUALLY TO SIGN CONFLICT OF INTEREST STATEMENTS AND DISCLOSE ANY KNOWN OR POTENTIAL CONFLICTS OF INTEREST IN THESE STATEMENTS AND AS THEY ARISE THROUGHOUT THE YEAR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR, THE COMPENSATION COMMITTEE OF THE BOARD CONDUCTS A BENCHMARK ANALYSIS TO EVALUATE ALL COMPONENTS OF THE HEAD OF SCHOOL'S COMPENSATION PACKAGE, INCLUDING BASE SALARY, SCHOOL-WIDE BENEFITS, DEFERRED COMPENSATION, OTHER COMPENSATION, HOUSING, EXCESS REMISSION, AND VEHICLE USAGE. THE BENCHMARK GROUP INCLUDES TOWER HILL SCHOOL AND 38 OTHER SIMILARLY-SITUATED SCHOOLS IN THE US. THE COMPENSATION COMMITTEE DOCUMENTS THE MEETING, INCLUDING A FULL LIST OF THOSE PRESENT AND THEIR INDEPENDENCE, AND THE PROCESS USED TO CONDUCT THEIR REVIEW. THE COMMITTEE THEN PRESENTS THEIR RECOMMENDATION TO THE FULL BOARD FOR REVIEW.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNING DOCUMENTS, FINANCIAL STATEMENTS AND FORM 990 ARE HELD WITH THE SCHOOL AND MAY BE MADE AVAILABLE UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990. PART IX. COLUMN D. [INCREASED FUNDRAISING EXPENSE]</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL NOW PREPARES ITS FINANCIAL STATEMENTS ON A GAAP BASIS, WHICH REQUIRES THE ALLOCATION OF OVERHEAD EXPENSES, SUCH AS UTILITIES, TECHNOLOGY AND SUPPORT STAFF, TO THE FUNDRAISING DEPARTMENT. THIS ALLOCATION RESULTS IN A LARGE INCREASE IN THE REPORTED TOTAL FOR FUNDRAISING EXPENSES THIS YEAR. FUNDRAISING ACTIVITIES, INCLUDING OUTREACH TO ALUMNI, HAVE INCREASED IN PREPARATION FOR THE SCHOOL'S UPCOMING CENTENNIAL.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL'S POLICY IS TO USE A MODIFIED CASH BASIS OF ACCOUNTING. THE FOLLOWING AREAS HAVE BEEN ACCOUNTED FOR ON A STRICT CASH BASIS: - OPERATING EXPENDITURES - CAPITAL EXPENSES - CONTRIBUTIONS REVENUE - TUITION REVENUE - ALL OTHER MISCELLANEOUS REVENUE AND EXPENSES THE FOLLOWING AREAS HAVE BEEN ACCOUNTED FOR ON AN ACCRUAL BASIS: - TUITION PREPAYMENTS - EMPLOYEE LOANS - ANY BANK DEBTS - MISCELLANEOUS RESERVES AND STUDENT FUNDS</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AUDIT COMMITTEE IS RESPONSIBLE FOR THE OVERSIGHT OF THE AUDIT AND SELECTION OF THE INDEPENDENT ACCOUNTANT. THIS PROCESS REMAINS UNCHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
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