| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1860022 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1565640 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 13996566 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 14027332 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | INDEPENDENT, NON-SECTARIAN, NON-PROFIT, PK - GRADE 12 SCHOOL |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 92456 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 2282 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 94738 |
| IRS990/AllOtherContributionsAmt | 0 | 721559 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 11384 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 308977 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 91464 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 411825 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | CAROLINE EWING |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4102639231 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 534 HILLSMERE DR |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | ANNAPOLIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 21403 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 55930 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 86459 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 13 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 27196 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 225705 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 466412 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 719313 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 1 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 2837513 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 322624 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 307912 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 231166 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 213269 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 300 E JOPPA RD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 9861 BROKEN LAND PKWY 208 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 257 GREAT VALLEY PKWAY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO BOX 740655 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | PO BOX 69429 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | BALTIMORE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | COLUMBIA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | MALVERN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | ATLANTA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | BALTIMORE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | PA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | GA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 21286 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 21046 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 19355 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 30374 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 21264 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | THE WHITING-TURNER CONTRACTING CO |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | CLEAN NET OF BALTIMORE WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | BROCK FOOD SERVICE |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | BRIGHTVIEW LANDSCAPE SERVICES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | HORD COPLAN MACHT INC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CONSTRUCTION |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CLEANING SERVICE PROVIDERS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | FOOD SERVICE PROVIDER |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | LANDSCAPING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | CONSTRUCTION |
| IRS990/ContriRptFundraisingEventAmt | 0 | 110650 |
| IRS990/CostOfGoodsSoldAmt | 0 | 1036 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 832209 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 2801501 |
| IRS990/CYInvestmentIncomeAmt | 0 | 827131 |
| IRS990/CYOtherExpensesAmt | 0 | 7313347 |
| IRS990/CYOtherRevenueAmt | 0 | 29635 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 21403007 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1753255 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 14730389 |
| IRS990/CYTotalExpensesAmt | 0 | 24845237 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 633831 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 23091982 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 16293207 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 16323665 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 19195 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 177552 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1302849 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1499596 |
| IRS990/Desc | 0 | KEY SCHOOL PROVIDES EDUCATION TO OVER 600 STUDENTS FROM AGES 2.5 THROUGH GRADE 12. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 1 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 14635741 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 14003178 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 299 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 18433658 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 47854 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 47854 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 4442 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 41411 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 303904 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 349757 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 60.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 28 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 29 | 55.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 30 | 55.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 31 | 55.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 32 | 55.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 33 | 55.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 34 | 55.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| 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/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 23 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 24 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 25 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 26 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 27 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 28 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 42301 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 29 | 21175 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 30 | 29316 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 31 | 40196 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 32 | 64718 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 33 | 27534 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 34 | 62134 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MATTHEW NESPOLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN HILBERT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ALANNA WRIGHT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | COLIN HARRINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | LAKSHMI RAMANI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | MARK BAGANZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | TOM BAUM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | PETER BICHE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARCH BISHOP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | JULIUS CLARK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ELYSE COLGAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | LEANDER J FOLEY III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | JOAN GILLECE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | MICHAEL GLASS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JOSEPH A JANNEY III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | WESLEY R JONES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | KEN KISSEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | ELIZABETH LAPCZYNSKI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | WILLIAM MAPP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | TROY MAYER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | MATTHEW MCCABE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | KARA MCGUIRK-ALLISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | WALDO MCMILLAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | SONG PAK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | MICHAEL SMITH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | COURTNEY SPANGLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | SHANNON TOWER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | JOANN WARRICK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | ANNA WOOD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | CAROLINE EWING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 30 | DAVID MAGNUS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | KRISTEN ADDISON CATLETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 32 | TOM ROSSINI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 33 | KATE AUSTIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 34 | BRIAN MICHAELS |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 446695 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 29 | 168387 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 153709 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 144625 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 32 | 125580 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 33 | 122328 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 34 | 131095 |
| 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/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 31 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 32 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 33 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 34 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | DIRECTOR/FINANCE & OPS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | MIDDLE SCHOOL HEAD |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | LOWER SCHOOL HEAD |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 32 | DIRECTOR/ENROLLMT/OUTREACH |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 33 | DIRECTOR/COMMUNICATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 34 | UPPER SCHOOL HEAD |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/FormationYr | 0 | 1958 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 110650 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 114215 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 91934 |
| IRS990/GamingActivitiesInd | 0 | 1 |
| IRS990/GamingDirectExpensesAmt | 0 | 0 |
| IRS990/GamingGrossIncomeAmt | 0 | 16778 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 29 |
| IRS990/GrantAmt | 0 | 2801501 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 2801501 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 2801501 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 1 |
| IRS990/GrossReceiptsAmt | 0 | 23234293 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 41025 |