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      <GrantsPayable>
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        <EOY>745777</EOY>
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        <BOY>1142648</BOY>
        <EOY>1098430</EOY>
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      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
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        <EOY>-1311983</EOY>
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        <EOY>13442978</EOY>
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        <EOY>26017197</EOY>
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      <TotalLiabNetAssetsFundBalances>
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        <EOY>27115627</EOY>
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      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>true</FSAudited>
      <AuditCommittee>true</AuditCommittee>
      <FinancialStatementSeparate>X</FinancialStatementSeparate>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
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      <GiftsGrantsContribReceived170>
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        <CurrentTaxYearMinus3Years>4123329</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>2661491</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>1395810</CurrentTaxYearMinus1Year>
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        <CurrentTaxYearMinus4Years>4097179</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>4123329</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>2661491</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>1395810</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>2059847</CurrentTaxYear>
        <Total>14337656</Total>
      </Total170>
      <AmountsSubstContributorsTotal>6563327</AmountsSubstContributorsTotal>
      <PublicSupportTotal170>7774329</PublicSupportTotal170>
      <GrossInvestmentIncome170>
        <CurrentTaxYearMinus4Years>534009</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>556928</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>655880</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>449794</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>306007</CurrentTaxYear>
        <Total>2502618</Total>
      </GrossInvestmentIncome170>
      <OtherIncome170>
        <CurrentTaxYearMinus4Years>124064</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>177462</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>218614</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>134139</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>216394</CurrentTaxYear>
        <Total>870673</Total>
      </OtherIncome170>
      <TotalSupport>17710947</TotalSupport>
      <PublicSupportPertcentage170>0.43900</PublicSupportPertcentage170>
      <PublicSupportPertcentPriorYear>0.48140</PublicSupportPertcentPriorYear>
      <ThirtyThreePercntTestsCY170>X</ThirtyThreePercntTestsCY170>
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      <PublicSupportPercentage509>0</PublicSupportPercentage509>
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      <FactsAndCircumstancesTest>OTHER INCOME PART II, LINE 10; DESCRIPTION: REUNION INCOME; 2005: 40728.; 2006: 66183.; 2007: 66608.; 2008: 45770.; 2009: 111180.; DESCRIPTION: EVENT INCOME; 2005: 82654.; 2006: 110057.; 2007: 151351.; 2008: 84424.; 2009: 104617.; DESCRIPTION: MISCELLANEOUS; 2005: 682.; 2006: 1222.; 2007: 655.; 2008: 3945.; 2009: 597.;</FactsAndCircumstancesTest>
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    <IRS990ScheduleB documentId="00000003">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
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    <IRS990ScheduleD documentId="00000004" softwareId="09000048">
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        <Contributions>131087</Contributions>
        <InvestmentEarningsOrLosses>2371052</InvestmentEarningsOrLosses>
        <GrantsOrScholarships>1080659</GrantsOrScholarships>
        <OtherExpenditures>168395</OtherExpenditures>
        <AdministrativeExpenses>236930</AdministrativeExpenses>
        <EndOfYearBalance>27329180</EndOfYearBalance>
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      <CurrentYearMinus1Year>
        <BeginningOfYearBalance>32092870</BeginningOfYearBalance>
        <Contributions>210191</Contributions>
        <InvestmentEarningsOrLosses>-4842006</InvestmentEarningsOrLosses>
        <GrantsOrScholarships>785602</GrantsOrScholarships>
        <OtherExpenditures>70224</OtherExpenditures>
        <AdministrativeExpenses>292204</AdministrativeExpenses>
        <EndOfYearBalance>26313025</EndOfYearBalance>
      </CurrentYearMinus1Year>
      <LeaseholdImprovements>
        <InvestmentCostOrOtherBasis>55448</InvestmentCostOrOtherBasis>
        <Depreciation>45629</Depreciation>
        <BookValue>9819</BookValue>
      </LeaseholdImprovements>
      <Equipment>
        <InvestmentCostOrOtherBasis>401958</InvestmentCostOrOtherBasis>
        <Depreciation>358818</Depreciation>
        <BookValue>43140</BookValue>
      </Equipment>
      <TotalOfBookValueLandBuildings>52959</TotalOfBookValueLandBuildings>
      <OtherSecurities>
        <Description>Adage Capital Partners, LP</Description>
        <BookValue>5269297</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>GLS Global Opportunities Fund</Description>
        <BookValue>612248</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Charles River Partnership XI</Description>
        <BookValue>22562</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Charles Rive Annex Fund</Description>
        <BookValue>3464</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Lone Juniper</Description>
        <BookValue>2500000</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Liberty Square Asia Fund</Description>
        <BookValue>2051</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Nyes Ledge Capital Offshore</Description>
        <BookValue>1164641</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Liberty Square Japan Fund</Description>
        <BookValue>204</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <TotalOfBookValueSecurities>9574467</TotalOfBookValueSecurities>
      <TotalRevenue>5267848</TotalRevenue>
      <TotalExpenses>3252603</TotalExpenses>
      <ExcessOrDeficitForYear>2015245</ExcessOrDeficitForYear>
      <ExcessOrDeficitPerFS>2015245</ExcessOrDeficitPerFS>
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    <IRS990ScheduleI documentId="00000005" softwareId="09000048">
      <RecordsMaintained>true</RecordsMaintained>
      <RecipientTable>
        <RecipientNameBusiness>
          <BusinessNameLine1>BOSTON LATIN SCHOOL</BusinessNameLine1>
        </RecipientNameBusiness>
        <AddressUS>
          <AddressLine1>78 LOUIS PASTEUR</AddressLine1>
          <City>BOSTON</City>
          <State>MA</State>
          <ZIPCode>02115</ZIPCode>
        </AddressUS>
        <EINOfRecipient>046001380</EINOfRecipient>
        <AmountOfCashGrant>973739</AmountOfCashGrant>
        <PurposeOfGrant>Support Of School Programs</PurposeOfGrant>
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        <Explanation>All funding requests are processed through the Boston Latin School Association (BLSA) accounts payable system. The amount available is established annually during the budget process, the board of BLSA approves the budget.</Explanation>
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    <IRS990ScheduleO documentId="00000006" softwareId="09000048">
      <GeneralExplanation>
        <Identifier>Pt V, Line 3b</Identifier>
        <Explanation>The organization only provides servies in line with the non-profit mission</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-A, Line 6</Identifier>
        <Explanation>Individuals who complete two years at BLS are members</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-C, Line 19</Identifier>
        <Explanation>All documents are available upon request, and the from 990 is available on the Guidestar website</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-C, Line 19</Identifier>
        <Explanation>and summary financials are available on the BLSA website.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 11A</Identifier>
        <Explanation>The completed Form 990 is reviewed by staff and audit</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 11A</Identifier>
        <Explanation>committee. The Board is then given a copy to review before filing</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 12c</Identifier>
        <Explanation>Each Board member is required to certify compliance with</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 12c</Identifier>
        <Explanation>conflict of interest policy annually.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 15</Identifier>
        <Explanation>The compensation committee develops salary and benefit</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 15</Identifier>
        <Explanation>structures based on review of other similar non profit</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 15</Identifier>
        <Explanation>agencies in this area. This is done annually and recommendations made</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt VI-B, Line 15</Identifier>
        <Explanation>to the CEO and Board chair.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Pt III line 4d</Identifier>
        <Explanation>see separate statement on page 2</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>