Liabilities / Assets
22nd percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 51-0495259 • 501(c)3 • Princeton, NJ
Profile
To provide staff and other financial assistance for the furtherance of education at Lyford Cay School in Bahamas. There are approximately 3722 students at this school in Nursery - 12th Grade.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
22nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
22nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
1st percentile
Higher net margin than 1% of similar nonprofits.
Top Officer Pay
39th percentile
Higher top officer pay than 39% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
4th percentile
Faster asset growth than 4% of similar nonprofits.
Revenue Growth
3rd percentile
Faster revenue growth than 3% of similar nonprofits.
Assets
Down$3,082,140
Down $2,793,691 (-48%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Down$3,082,140
Down $2,793,691 (-48%) from 2024
Revenue
Down$529,148
Down $1,129,111 (-68%) from 2024
Expenses
Up$3,464,080
Up $2,769,714 (+399%) from 2024
Net Income
Down-$2,934,932
Down $3,898,825 (-404%) from 2024
Most recent year
2025 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
To provide staff and other financial assistance for the furtherance of education at Lyford Cay School in Bahamas. There are approximately 3722 students at this school in Nursery - 12th Grade.
The mission of the organization is to provide financial and other assistance to educational institutions with Grades PreK- 12 curriculumn. The institutions can be in the USA or aboard.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $3,047,504 | $2,544,526 | ▼ $502,978 |
| Savings and Temporary Cash Investments | $2,828,327 | $534,777 | ▼ $2,293,550 |
| Prepaid Expenses and Deferred Charges | - | $2,837 | - |
| Total Assets | $5,875,831 | $3,082,140 | ▼ $2,793,691 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $2,052,033 | $2,286,836 | ▲ $234,803 |
| Net Assets Without Donor Restrictions | $3,823,798 | $795,304 | ▼ $3,028,494 |
| Total Net Assets Fund Balance | $5,875,831 | $3,082,140 | ▼ $2,793,691 |
| Total Liabilities and Net Assets / Fund Balance | $5,875,831 | $3,082,140 | ▼ $2,793,691 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $3,712,051 | - | ▲ $263,532 | - | $2,348,293 |
| 2023 | $3,327,673 | - | ▲ $410,227 | - | $3,712,051 |
| 2022 | $3,292,860 | - | ▲ $158,100 | - | $3,327,673 |
| 2021 | $3,850,040 | - | ▼ $414,909 | - | $3,292,860 |
| 2020 | $3,422,108 | - | ▲ $546,210 | - | $3,850,040 |
| Name | Title |
|---|---|
| Bryan Glinton | President |
| Bathsheba Fernander | Vice President |
| Audrius Barzukas | Director |
| Charles Bruce Fernie | Director |
| Deirdre A Simon | Treasurer/Secretary |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $3,428,111 |
| Other Expenses | $35,969 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Foreign Grants | $3,428,111 | - | - | $3,428,111 |
| Fees for Service Investment Mgmnt Fees | - | $18,075 | - | $18,075 |
| Fees for Services Management | - | $14,742 | - | $14,742 |
| Insurance | - | $1,444 | - | $1,444 |
| Fees for Services Accounting | - | $1,350 | - | $1,350 |
| Fees for Services Legal | - | $284 | - | $284 |
| Other Expenses | $72 | - | - | $72 |
| Office Expenses | $2 | - | - | $2 |
| Total Functional Expenses | $3,428,185 | $35,895 | $0 | $3,464,080 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Federal income taxes | - |
“The Tax Form 990 is reviewed by the Board of Directors prior to being submitted to the Internal Revenue Service.”
“The Board adopted a comprehensive Governance Policy including business ethics, conflict of interest, whistleblower and record retention policy. The Board of Directors are required to review and sign the conflict of interst policy upon election to the board or at any time their status may change.”
“The organizations governing documents, conflict of interest policy and financial statements are avilable to the public upon reqest.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The mission of the organization is to provide financial and other assistance to educational institutions with Grades PreK- 12 curriculumn. The institutions can be in the USA or aboard. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 257972 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | International Schools Services Inc |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6094520990 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 15 Roszel Road |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Princeton |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NJ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 08540 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 257972 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 3428111 |
| IRS990/CYInvestmentIncomeAmt | 0 | 166270 |
| IRS990/CYOtherExpensesAmt | 0 | 35969 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 104906 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -2934932 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 3464080 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 529148 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Provide staff, materials and other financial assistance to the Lyford Cay School in The Bahamas. There are currently 383 students at this school. The curriculum is Nursery to Grade 12. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 2052033 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2286836 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 3428185 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1350 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 1350 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 284 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 284 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 14742 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 14742 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 18075 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 18075 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 3428111 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 3428111 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Bryan Glinton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Bathsheba Fernander |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Deirdre A Simon |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Charles Bruce Fernie |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Audrius Barzukas |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer/Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2004 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 42188 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 42188 |
| IRS990/GrossReceiptsAmt | 0 | 529148 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1444 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1444 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 124082 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 124082 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 3047504 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2544526 |
| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 1 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | To provide staff and other financial assistance for the furtherance of education at Lyford Cay School in Bahamas. There are approximately 3722 students at this school in Nursery - 12th Grade. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | true |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5875831 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 3082140 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 42188 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 42188 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 141241 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 3823798 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 795304 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 2 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Credit Card and Bank Fees |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 72 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 72 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 2837 |
| IRS990/PrincipalOfcrBusinessName/BusinessNameLine1Txt | 0 | Deirdre Simon |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611420 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | School Programs |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 104906 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 104906 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 1118933 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 646192 |
| IRS990/PYInvestmentIncomeAmt | 0 | 356773 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 48174 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 182553 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 963893 |
| IRS990/PYTotalExpensesAmt | 0 | 694366 |
| IRS990/PYTotalRevenueAmt | 0 | 1658259 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -2934932 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 104906 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 2828327 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 534777 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 257973 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1118933 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 416761 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 348588 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 446516 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 2588771 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 124082 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 186137 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 140000 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 165680 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 83796 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 699695 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 124082 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 186137 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 140000 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 165680 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 83796 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 699695 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.21280 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.14250 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.78720 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.85750 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 2588771 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 257973 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1118933 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 416761 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 348588 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 446516 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 2588771 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 382055 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1305070 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 556761 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 514268 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 530312 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 3288466 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 0.03000 |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 16098 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3712051 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 2348293 |
| IRS990ScheduleD/CYEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 1611192 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 263532 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 25849 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3327673 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3712051 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 410227 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 24502 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3292860 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3327673 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 98785 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 158100 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 26771 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3850040 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3292860 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 115500 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -414909 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 25778 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3422108 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3850040 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 92500 |
| IRS990ScheduleD/CYMinus4YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 546210 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/InclEscrowCustodialAcctLiabInd | 0 | false |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | Federal income taxes |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | Financial derivatives and other financial products |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 1 | Closely-held equity interests |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 0.97000 |
| IRS990ScheduleF/BoycottCountriesInd | 0 | false |
| IRS990ScheduleF/ForeignCorpOwnershipInd | 0 | false |
| IRS990ScheduleF/ForeignPartnershipInd | 0 | false |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/CashGrantAmt | 0 | 3428111 |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/MannerOfCashDisbursementTxt | 0 | Wire |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/PurposeOfGrantTxt | 0 | Educational Support |
| IRS990ScheduleF/GrantsToOrgOutsideUSGrp/RegionTxt | 0 | Central America and the Caribbean |
| IRS990ScheduleF/InterestInForeignTrustInd | 0 | false |
| IRS990ScheduleF/PassiveForeignInvestmestCoInd | 0 | false |
| IRS990ScheduleF/TotalOtherOrgCnt | 0 | 1 |
| IRS990ScheduleF/TransferToForeignCorpInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | The Tax Form 990 is reviewed by the Board of Directors prior to being submitted to the Internal Revenue Service. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | The Board adopted a comprehensive Governance Policy including business ethics, conflict of interest, whistleblower and record retention policy. The Board of Directors are required to review and sign the conflict of interst policy upon election to the board or at any time their status may change. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | The organizations governing documents, conflict of interest policy and financial statements are avilable to the public upon reqest. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part VI, Section B, Line 11b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Section B, Line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Section C, Line 19 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 5875831 |
| IRS990/TotalAssetsEOYAmt | 0 | 3082140 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 5875831 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 3082140 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 257972 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 35895 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 3428185 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 3464080 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 5875831 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 3082140 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 3428185 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 104906 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 166270 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 104906 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 529148 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 5875831 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 3082140 |
| IRS990/TravelGrp/TotalAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 15 Roszel Road |
| IRS990/USAddress/CityNm | 0 | Princeton |
| IRS990/USAddress/StateAbbreviationCd | 0 | NJ |
| IRS990/USAddress/ZIPCd | 0 | 08540 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 5 |
| IRS990/WhistleblowerPolicyInd | 0 | true |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | false |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Deirdre Simon |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | SecretaryTreasurer |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6094520990 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-11-10 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Lyford Cay School Foundation |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | LYFO |
| ReturnHeader/Filer/EIN | 0 | 510495259 |
| ReturnHeader/Filer/InCareOfNm | 0 | % Deirdre Simon |
| ReturnHeader/Filer/PhoneNum | 0 | 6094520990 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO Box 5910 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Princeton |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NJ |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 085435910 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/ReturnTs | 0 | 2025-11-11T09:13:11-00:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-09-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-08-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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