| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 619341 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 744372 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 20753 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 11303 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | BERKELEY HALL SCHOOL'S MISSION IS TO PROVIDE A WELL-ROUNDED EDUCATION TO CHILDREN FROM DIVERSE BACKGROUNDS IN GRADES PRE-K THROUGH 8, STRESSING NOT ONLY ACADEMICS, BUT ALSO ATHLETICS, THE ARTS, SOCIAL DEVELOPMENT AND RESPONSIBLE CITIZENSHIP. THE AVERAGE ENROLLMENT OF THE SCHOOL IS APPROXIMATELY 255 STUDENTS OVER THE PAST FEW YEARS. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 86185 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 21546 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 107731 |
| IRS990/AllOtherContributionsAmt | 0 | 1646486 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 9116 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 25534 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 21252 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 55902 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 0 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | RICK PETERS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3104766421 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 16000 MULHOLLAND DRIVE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | LOS ANGELES |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 90049 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 263372 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 449750 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 3 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 83844 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 255945 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 101495 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 441284 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 13389 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 61404 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 42237 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 117030 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 146358 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 116119 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 109502 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO BOX 52609 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 220640 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 11454 SAN VINCENTE BLVD 1ST FLOOR |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | LOS ANGELES |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | NEWHALL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | LOS ANGELES |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 900742609 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 913220640 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 90049 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | ABM ONSITE SERVICES-WEST INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | PACIFIC VISTA LANDSCAPE SERVICES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | THE CENTURION GROUP |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | MAINTENANCE LABOR |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | LANDSCAPING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | SECURITY |
| IRS990/ContriRptFundraisingEventAmt | 0 | 194796 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1841282 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1086189 |
| IRS990/CYInvestmentIncomeAmt | 0 | 84997 |
| IRS990/CYOtherExpensesAmt | 0 | 2737587 |
| IRS990/CYOtherRevenueAmt | 0 | 267759 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 7801359 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1697233 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 4474388 |
| IRS990/CYTotalExpensesAmt | 0 | 8298164 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 320278 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 9995397 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 3617814 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 4115885 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 5062 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 45560 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 455600 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 506222 |
| IRS990/Desc | 0 | FOUNDED IN 1911, BERKELEY HALL IS A NURSERY-8TH GRADE INDEPENDENT SCHOOL NESTLED ON 66 ACRES OF NATURAL BEAUTY IN LOS ANGELES, CA. TOTAL ENROLLMENT IS 254, WITH AN AVERAGE CLASS SIZE OF 18 STUDENTS. THE SCHOOL HAS ACCREDITATIONS FROM CAIS (CALIFORNIA ASSOCIATION OF INDEPENDENT SCHOOLS), AND WASC (WESTERN ASSOCIATION OF SCHOOLS AND COLLEGES). FINANCIAL AID IS NEED-BASED. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 77 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 6225940 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 71834 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 17958 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 89792 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 2615 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 654 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 3269 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 5164 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 42100 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 75483 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 122747 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| 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 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 45.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 45.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 45.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 45.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | 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/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 | 0 |
| 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 | 13241 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 18993 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 7264 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 7331 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 7520 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MARGARET ANDREWS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | RICK LARSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | RON KRISEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CHRIS LINDGREN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | BETTINA DUVAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | LISA GARNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DARRIN KENNEDY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | RUTH LOEB |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | RANDY MCELVAIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LISLE STALEY STIGLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | RICHARD PETERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | BARBARA DENISI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | WILLIAM CHENEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | SARAH COLMAIRE |
| 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/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 270664 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 151272 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 113270 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 104733 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 107429 |
| 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/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | CHIEF OPERATING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TEACHER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TEACHER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | DEAN OF ACADEMICS |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1911 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 194796 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 127479 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 114818 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 10848 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantAmt | 0 | 1086189 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 1086189 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 1086189 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 1 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 441624 |
| IRS990/GrossReceiptsAmt | 0 | 10553652 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 206063 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 3 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1172 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 56102 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 135973 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 193247 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1077 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 9696 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 96958 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 107731 |
| IRS990/InterestGrp/FundraisingAmt | 0 | 1101 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 9916 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 99158 |
| IRS990/InterestGrp/TotalAmt | 0 | 110175 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 74149 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 74149 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 5683786 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 8973095 |
| IRS990/IRPDocumentCnt | 0 | 12 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 9215053 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 8851579 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 8676669 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 17891722 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 430776 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | OUR MISSION IS TO "EMPOWER CHILDREN TO FULFILL THEIR UNLIMITED, GOD-GIVEN POTENTIAL AS FEARLESS SCHOLARS AND CONSCIENTIOUS CITIZENS." |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 2760677 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 2646613 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 12399629 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 14218999 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 10848 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 10848 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -12661 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -12661 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 206063 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 206063 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 113492 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 10008 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 72257 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 687457 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 769722 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 19423 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 134423 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 143870 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 297716 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 4563 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1621 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 8645 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 5918 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 27143 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 81228 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 114289 |
| IRS990/OtherExpensesGrp/Desc | 0 | GENERAL ACADEMIC |
| IRS990/OtherExpensesGrp/Desc | 1 | PUBLISHING |
| IRS990/OtherExpensesGrp/Desc | 2 | OUTDOOR EDUCATION |
| IRS990/OtherExpensesGrp/Desc | 3 | PROPERTY TAXES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 15341 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 303 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 15342 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 2722 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 67356 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 11240 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 41572 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 27221 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 67356 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 41923 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 41572 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 30246 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 106620 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 68233 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | OTHER INCOME |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 74357 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 74357 |
| IRS990/OtherRevenueTotalAmt | 0 | 74357 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 116049 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 660769 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 2641855 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 3418673 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 14590 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 91926 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 183600 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 290116 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 18721 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 80473 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 110832 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 210026 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 1179969 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 1180303 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 41271 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 26120 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 126912 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 70305 |
| IRS990/PrincipalOfficerNm | 0 | LISLE STALEY STIGLER |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611600 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 7801359 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 7801359 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 4089760 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 1225125 |
| IRS990/PYInvestmentIncomeAmt | 0 | 160656 |
| IRS990/PYOtherExpensesAmt | 0 | 2485476 |
| IRS990/PYOtherRevenueAmt | 0 | 228770 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 7398808 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 3734416 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 4432977 |
| IRS990/PYTotalExpensesAmt | 0 | 8143578 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 11877994 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 1 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1697233 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 206063 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 7801359 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 4511845 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 3585239 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990/ScheduleBRequiredInd | 0 | 1 |