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        <ExclusionAmt>211336</ExclusionAmt>
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        <Desc>FEES &amp; MISC INCOME</Desc>
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      <OtherRevenueTotalAmt>90306</OtherRevenueTotalAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
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        <ManagementAndGeneralAmt>115811</ManagementAndGeneralAmt>
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      <FeesForServicesAccountingGrp>
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        <ManagementAndGeneralAmt>17962</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>197772</ProgramServicesAmt>
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        <FundraisingAmt>15700</FundraisingAmt>
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        <ProgramServicesAmt>162314</ProgramServicesAmt>
        <ManagementAndGeneralAmt>13940</ManagementAndGeneralAmt>
        <FundraisingAmt>83320</FundraisingAmt>
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        <ProgramServicesAmt>386497</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33193</ManagementAndGeneralAmt>
        <FundraisingAmt>198399</FundraisingAmt>
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        <TotalAmt>170933</TotalAmt>
        <ManagementAndGeneralAmt>170933</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PERSONNEL EXPENSE</Desc>
        <TotalAmt>168072</TotalAmt>
        <ProgramServicesAmt>70456</ProgramServicesAmt>
        <ManagementAndGeneralAmt>40875</ManagementAndGeneralAmt>
        <FundraisingAmt>56741</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>REFERRAL FEE AND OTHER</Desc>
        <TotalAmt>74564</TotalAmt>
        <ProgramServicesAmt>74564</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BAD DEBT EXPENSE</Desc>
        <TotalAmt>30</TotalAmt>
        <ManagementAndGeneralAmt>30</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>6897928</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1831810</ManagementAndGeneralAmt>
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      <SavingsAndTempCashInvstGrp>
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        <EOYAmt>647089</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>478672</EOYAmt>
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        <EOYAmt>114319</EOYAmt>
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        <BOYAmt>11252</BOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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      <LandBldgEquipCostOrOtherBssAmt>21733173</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>9774879</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>12531170</BOYAmt>
        <EOYAmt>11958294</EOYAmt>
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      <InvestmentsPubTradedSecGrp>
        <BOYAmt>2642131</BOYAmt>
        <EOYAmt>2668574</EOYAmt>
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        <EOYAmt>507301</EOYAmt>
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        <BOYAmt>46600</BOYAmt>
        <EOYAmt>55269</EOYAmt>
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        <EOYAmt>16429518</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>168737</EOYAmt>
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        <EOYAmt>5410357</EOYAmt>
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        <EOYAmt>3775976</EOYAmt>
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        <EOYAmt>16429518</EOYAmt>
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        <CurrentTaxYearMinus3YearsAmt>1224181</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearAmt>996279</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>943540</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>996279</CurrentTaxYearAmt>
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      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus3YearsAmt>122121</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>131837</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>137561</CurrentTaxYearMinus1YearAmt>
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      <GrossReceiptsRltdActivitiesAmt>40272264</GrossReceiptsRltdActivitiesAmt>
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        <AdministrativeExpensesAmt>23066</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>2463018</EndYearBalanceAmt>
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        <InvestmentEarningsOrLossesAmt>-4903</InvestmentEarningsOrLossesAmt>
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        <AdministrativeExpensesAmt>21751</AdministrativeExpensesAmt>
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        <InvestmentEarningsOrLossesAmt>196189</InvestmentEarningsOrLossesAmt>
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        <AdministrativeExpensesAmt>19895</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>2147242</EndYearBalanceAmt>
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      <PrmnntEndowmentBalanceEOYPct>0.74040</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.25960</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>1</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>876972</OtherCostOrOtherBasisAmt>
        <BookValueAmt>876972</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>7517975</DepreciationAmt>
        <BookValueAmt>10581021</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
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        <DepreciationAmt>1602795</DepreciationAmt>
        <BookValueAmt>250267</BookValueAmt>
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      <OtherLandBuildingsGrp>
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        <DepreciationAmt>654109</DepreciationAmt>
        <BookValueAmt>250034</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>11958294</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>TUITION ADVANCE PAYMENTS</Desc>
        <Amt>168737</Amt>
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      <TotalLiabilityAmt>168737</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>4921733</TotalRevEtcAuditedFinclStmtAmt>
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      <RevenueNotReportedAmt>-95441</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>5017174</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>17962</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>2760096</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>2778058</RevenueNotReportedFinclStmtAmt>
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      <TotExpnsEtcAuditedFinclStmtAmt>6617245</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
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      <InvestmentExpensesNotIncld2Amt>17962</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>2760096</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>2778058</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL IS A NOT-FOR-PROFIT ORGANIZATION EXEMPT UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND IS CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION; HOWEVER, CERTAIN UNRELATED BUSINESS INCOME IS SUBJECT TO FEDERAL TAXATION. FOR THE YEARS ENDED JUNE 30, 2023 AND 2022, THERE WAS NO LIABILITY FOR A TAX ON UNRELATED BUSINESS INCOME. THE SCHOOL HAS ADOPTED THE PROVISIONS OF FASB INTERPRETATION NO.48, ACCOUNTING FOR UNCERTAINTY IN INCOME TAXES (FASB ASC 740). ACCORDINGLY, MANAGEMENT HAS EVALUATED THE SCHOOL'S TAX POSITIONS AND CONCLUDED THE SCHOOL HAD MAINTAINED ITS TAX-EXEMPT STATUS, DOES NOT HAVE ANY SIGNIFICANT UNRELATED BUSINESS INCOME AND HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT OR DISCLOSURE IN THE FINANCIAL STATEMENTS. WITH FEW EXCEPTIONS, THE SCHOOL IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY THE U.S. FEDERAL OR STATE TAX AUTHORITIES FOR YEARS BEFORE 2020.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>TUITION REPORTED IS NET OF TUITION ASSISTANCE TO INDIVIDUALS &amp; REFERRAL FEE 2,760,096.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>TUITION REPORTED NET OF ASSISTANCE TO INDIVIDUALS ON FINANCIAL REPORT 2,760,096.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>ENDOWMENT FUNDS ARE INTENDED TO BE USED PRIMARILY FOR SCHOLARSHIPS.</ExplanationTxt>
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      <PlcyPblczdViaBroadcastMediaInd>1</PlcyPblczdViaBroadcastMediaInd>
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      <MaintainScholarshipsRecsInd>1</MaintainScholarshipsRecsInd>
      <MaintainCpyOfBrochuresEtcInd>1</MaintainCpyOfBrochuresEtcInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE E, PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL HAS PUBLICIZED ITS RACIALLY NONDISCRIMINATORY POLICY THROUGH CATALOGUES, BROCHURES, AND PERSONAL COMMUNICATIONS.</ExplanationTxt>
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        <GrantTypeTxt>FINANCIAL AID</GrantTypeTxt>
        <RecipientCnt>59</RecipientCnt>
        <NonCashAssistanceAmt>2685532</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>SCHOLARSHIP GRANTS AWARDED TO STUDENTS AS A DISCOUNT ON THEIR TUITION.</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL AID COMMITTEE ALLOCATES AID BASED ON A PARENT'S FINANCIAL STATEMENT (INCOME, EXPENSES, ASSETS, LIABILITIES, OTHER SOURCES FOR TUITION) AND A REPORT PROVIDED BY THE SCHOOL AND STUDENT SERVICES FOR FINANCIAL AID, WHICH DIGESTS A PARENT'S RESOURCES AND RECOMMENDS A FIGURE THAT THE PARENTS ARE CAPABLE OF PAYING. NO CASH IS GIVEN DIRECTLY TO AN INDIVIDUAL.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <HousingAllowanceOrResidenceInd>X</HousingAllowanceOrResidenceInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>0</SubstantiationRequiredInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>1</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JOHN DREW</PersonNm>
        <TitleTxt>FORMER HEAD OF SCHOOL</TitleTxt>
        <BaseCompensationFilingOrgAmt>96523</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>110500</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>6683</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>213706</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>JOHN DREW - $110,500</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>577</ContributionCnt>
        <NoncashContributionsRptF990Amt>161683</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>SUPPLIES/SERVICES</Desc>
        <ContributionCnt>15</ContributionCnt>
        <NoncashContributionsRptF990Amt>8126</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>COST/FMV</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>COPIES OF THE 990 ARE SENT TO ALL MEMBERS OF THE BOARD IN ADVANCE OF THE REGULARLY SCHEDULED FINANCE COMMITTEE MEETING. AT THE FINANCE COMMITTEE MEETING, THE 990 IS BROUGHT UP AS A DISCUSSION ITEM. IF THERE IS NO PROBLEM WITH THE DOCUMENT, IT IS FILED. AT THE NEXT BOARD MEETING, THE FULL BOARD IS NOTIFIED THAT THE FINANCE COMMITTEE REVIEWED THE 990 AND FOUND IT CORRECT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>AT THE OCTOBER BOARD MEETING, THE BOARD CHAIR ASKS ALL MEMBERS TO FILL OUT A CONFLICT OF INTEREST QUESTIONNAIRE AND SUBMIT THEM TO THE BOARD CHAIR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR DETERMINING COMPENSATION OF THE HEAD OF SCHOOL INCLUDES BOTH WRITTEN AND ORAL REVIEWS UNDERTAKEN BY A COMMITTEE OF THE BOARD OF TRUSTEES. THE HEAD OF SCHOOL IS ANNUALLY ASKED TO PREPARE A WRITTEN SELF-EVALUATION, WHICH IS REVIEWED BY THE BOARD OF TRUSTEES. THE HEAD OF SCHOOL IS EXCLUDED FROM THE REVIEW OF THE SELF-EVALUATION, AS WELL AS EXCLUDED FROM ANY DISCUSSIONS THAT DETERMINE THE COMPENSATION AMOUNTS AND THE FINAL VOTE. INPUT AND FEEDBACK ARE SOLICITED FROM THE BOARD AND THAT BECOMES THE BASIS FOR AN EVALUATION MEETING BETWEEN THE COMMITTEE AND THE HEAD OF SCHOOL. THE RESULTS OF THAT MEETING ARE SHARED WITH THE BOARD OF TRUSTEES AS PART OF A NOTICED BOARD MEETING AND THE HEAD OF SCHOOL IS PROVIDED WITH A WRITTEN SUMMARY OF HIS OR HER EVALUATION ON AN ANNUAL BASIS. WHEN NECESSARY, CONTEMPORANEOUS SUBSTANTIATION OF THE DELIBERATION AND DECISION OF THE HEAD OF SCHOOL ARE SOLICITED FROM OTHER MANAGEMENT OFFICIALS. THE WHITE MOUNTAIN SCHOOL PARTICIPATES IN A NUMBER OF NATIONAL AND REGIONAL PROFESSIONAL ASSOCIATIONS FOR INDEPENDENT BOARDING SCHOOLS, INCLUDING THE INDEPENDENT SCHOOLS ASSOCIATION OF NEW ENGLAND. SALARY COMPARABILITY DATA IS READILY AVAILABLE THROUGH THIS SOURCE TO BOTH THE BOARD OF TRUSTEES AND THE HEAD OF SCHOOL. COMPARABILITY DATA IS USED BY THE HEAD OF SCHOOL FOR DETERMINING COMPENSATION OF OTHER MANAGEMENT EMPLOYEES, AS WELL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL STATEMENTS ARE AVAILABLE ON GUIDESTAR. THEY ARE ALSO COPIED AND SENT TO ANY INTERESTED PARTIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>OUTSIDE CONTRACTED SERVICES: PROGRAM SERVICE EXPENSES 657,579. MANAGEMENT AND GENERAL EXPENSES 18,702. FUNDRAISING EXPENSES 1,030. TOTAL EXPENSES 677,311. OTHER PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 7,571. MANAGEMENT AND GENERAL EXPENSES 37,598. FUNDRAISING EXPENSES 2,000. TOTAL EXPENSES 47,169.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE HAVE BEEN NO CHANGES IN THIS PROCESS FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
