| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 9385 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 600 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO SUPPORT SCHOOLS IN THE AREAS OF ACADEMIC, OPERATIONS, AND ADMINISTRATION. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 3296 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 3296 |
| IRS990/AllOtherContributionsAmt | 0 | 1093373 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 12473 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 3440 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 15913 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | GRANT NIMAN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3105359000 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2260 E MAPLE AVENUE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | EL SEGUNDO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 90245 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 12104 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 221628 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 147648 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2380 BRETON DRIVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | OAKDALE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 95361 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | STEPHEN A JOHNSON |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | WORKSHOPS SERVICES FOR LEADERSHIP TRAINI |
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| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1093373 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 124000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1454 |
| IRS990/CYOtherExpensesAmt | 0 | 627149 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 155360 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 188318 |
| IRS990/CYTotalExpensesAmt | 0 | 939467 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1094827 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | PILLAR 1: OPERATIONAL VITALITY. THRIVING SCHOOL COMMUNITIES ARE THE PRODUCT OF SUPERB ACADEMIC LEADERS WITH THE RIGHT EXPERTISE AND RESOURCES, ROBUST SYSTEMS AND SOUND POLICIES THAT WORK TOGETHER FOR SMOOTH OPERATION AND SUSTAINABILITY. THE CSC'S OPERATIONAL VITALITY PILLAR AREA FACILITATES STRONG FINANCIAL MANAGEMENT, INSTRUCTIONAL LEADERSHIP, SITE VISIONING AND AN ENVIRONMENT FOR VOICE AND GROWTH FOR ALL STAKEHOLDERS. |
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| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 2 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 238870 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 26857 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 26857 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 36346 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 371172 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 407518 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| 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 | 40.00 |
| 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/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/PersonNm | 0 | BRUCE WILLISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MICHAEL S FEELEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | CARRIE SHEA TILTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SUSAN MOLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ANTONIO FELIX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ELLEN HOLTON |
| 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 | 143475 |
| 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 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | EXECUTIVE DIRECTOR |
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| IRS990/FormationYr | 0 | 2013 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GrantAmt | 0 | 65000 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 37500 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 77000 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 124000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 124000 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 1094827 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2154 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2154 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1454 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1454 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 249995 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 75163 |
| IRS990/IRPDocumentCnt | 0 | 13 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| 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 | THE CATHOLIC SCHOOLS COLLABORIATVE (THE "CSC") ESTABLISHES AND SUPPORTS MULTI-SCHOOL EFFORTS THAT FOSTER BEST PRACTICES IN THE AREAS OF ACADEMICS, OPERATIONS, LEADERSHIP AND PARENT ENGAGEMENT AT CATHOLIC PK-8TH GRADE SCHOOLS IN LOWER INCOME LOS ANGELES COMMUNITIES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 728882 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 169 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
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| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 31749 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 37352 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 320 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 320 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 128378 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 24591 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 20552 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 20552 |
| IRS990/OtherExpensesGrp/Desc | 0 | PROGRAM MATERIALS AND S |
| IRS990/OtherExpensesGrp/Desc | 1 | STIPENDS |
| IRS990/OtherExpensesGrp/Desc | 2 | MEALS & ENTERTAINMENT |
| IRS990/OtherExpensesGrp/Desc | 3 | INTERNET |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1940 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 71361 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 39624 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 12677 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 7453 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 71361 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 39624 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 14617 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 7453 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 50434 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 24264 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 156176 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 156176 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 11590 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 11590 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 279861 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 509000 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 334 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 364 |
| IRS990/PrincipalOfficerNm | 0 | BRUCE WILLISON |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | PILLAR 2: ACADEMIC EXCELLENCE. HIGH EDUCATIONAL ACHIEVEMENT IS A HALLMARK OF HEALTHY SCHOOLS, AND CRITICAL TO MEETING THE NEEDS OF THE UNDERPRIVILEGED URBAN COMMUNITIES CSC PARTNER SCHOOLS SERVE. THE CSC'S ACADEMIC EXCELLENCE PILLAR AREA EMPOWERS EDUCATORS AND STUDENTS WITH THE RIGHT CURRICULUM, MATERIAL AND PEDAGOGICAL RESOURCES FOR HIGH QUALITY EDUCATION AND INFORMED, RESPONSIBLE CITIZENSHIP. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 362634 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 59000 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 447586 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | PILLAR 3: SOCIAL EMOTIONAL STUDENT SUPPORTS. LEARNING AND GROWTH DEPEND ON EVERYONE HAVING CONFIDENCE THAT THEY CAN TRUST EACH OTHER WITH OPENNESS, KINDNESS AND RESPECT. THE CSC'S SOCIAL EMOTIONAL STUDENT SUPPORTS PILLAR AREA PROVIDES PROGRAMS AND RESOURCES TO CULTIVATE THE SKILLS NECESSARY FOR STUDENTS TO UNDERSTAND AND MANAGE EMOTIONS, MAINTAIN HEALTHY RELATIONSHIPS, ADDRESS TRAUMA AND ACHIEVE POSITIVE GOALS THROUGHOUT LIFE. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 136339 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 119407 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | PILLAR 4: PARENT, FAMILY & COMMUNITY ENGAGEMENT. FAMILY ENGAGEMENT HAS BEEN PROVEN TO HAVE AN IMMENSE POSITIVE IMPACT ON STUDENT ACHIEVEMENT, PARTICIPATION AND HEALTHY GROWTH; ADDITIONALLY, FAMILY ENGAGEMENT MAKES SCHOOLS INTO TRUE COMMUNITIES FOR GROWTH, LEARNING AND CARE. THE CSC'S PARENT, FAMILY & COMMUNITY ENGAGEMENT PILLAR AREA BUILDS PARENT AND FAMILY ENGAGEMENT IN AND UNDERSTANDING OF STUDENTS' EDUCATION AND CRITICAL PARENT-SCHOOL RELATIONSHIPS. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 112635 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 0 | 219261 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
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| IRS990/PYContributionsGrantsAmt | 0 | 409199 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 192285 |
| IRS990/PYInvestmentIncomeAmt | 0 | 608 |
| IRS990/PYOtherExpensesAmt | 0 | 321958 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -313281 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 208845 |
| IRS990/PYTotalExpensesAmt | 0 | 723088 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 409807 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 155360 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 1 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 307119 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 1093373 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 409199 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 942278 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 320588 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 2765438 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 1454 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 608 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 35 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 2097 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 1454 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 608 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 35 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 2097 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00080 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99920 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 2765438 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 1093373 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 409199 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 942278 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 320588 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 2765438 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 1094827 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 409807 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 942313 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 320588 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 2767535 |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/DisclosedForCharitablePrpsInd | 0 | 1 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 939467 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 169 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 21550 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 2714 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | ACCRUED EXPENSES |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | DEFERRED RENT LIABILITY |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 0 | 75163 |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | UBS MUTUAL FUNDS |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 0 | F |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 169 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 1094827 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION EVALUATES UNCERTAIN TAX POSITIONS WHEREBY THE EFFECT OF THE UNCERTAINTY WOULD BE RECORDED IF THE TAX POSITIONS WERE MORE LIKELY THAN NOT TO BE SUSTAINED UPON EXAMINATION. AS OF YEAR-END, THE ORGANIZATION HAD NO UNCERTAIN TAX POSITIONS REQUIRING ACCRUAL OR DISCLOSURE. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990ScheduleD/TotalBookValueSecuritiesAmt | 0 | 75163 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 939467 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 24264 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 1094827 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 1094996 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 939467 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 1 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 65000 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 1 | 29000 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 2 | 30000 |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | PROFESSIONAL DEVELOPMENT PROGRAM |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 1 | TUTORING PROGRAM |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 2 | CSUN EARLY CHILDHOOD LITERACY |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | LOYOLA MARYMOUNT UNIVERSITY CMAST |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 1 | USC CARUSO CATHOLIC CENTER |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 2 | CSUN FOUNDATION |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 951643334 |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 1 | 951642394 |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 2 | 956196006 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 1 LOYOLA MARYMOUNT UNIVERSITY DR |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 1 | 844 W 32ND STREET |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 2 | 18111 NORDHOFF ST |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | LOS ANGELES |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 1 | LOS ANGELES |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 2 | NORTHRIDGE |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 1 | CA |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 2 | CA |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 90045 |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 1 | 90007 |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 2 | 91330 |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | THE CSC HAS ESTABLISHED FUNDING CRITERIA (BENEFITS MULTIPLE SCHOOLS IN LOWER INCOME COMMUNITIES (70% STUDENTS ELIGIBLE FOR FREE/REDUCED LUNCH), INVOLVES THIRD-PARTY PARTNER, AND INVOLVES MULTIPLE FUNDERS), EXECUTES GRANT AGREEMENTS, AND REQUIRES GRANT REPORTS/DOCUMENTATION TO MAINTAIN RECORDS TO SUBSTANTIATE THE AMOUNT OF GRANTS, THE ELIGIBILITY CRITERIA TO RECEIVE GRANTS, AND GRANTEE SELECTION. SCHOOL SELECTION IN PILOT PROGRAMS ARE DEPENDANT ON INTEREST, READINESS, COMMITMENT, CAPACITY, RECOMMENDATIONS AND OTHER FACTORS. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 2: |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE BOARD SHALL HAVE THE RESPONSIBILITY FOR REVIEWING THE ORGANIZATION'S FORM 990 (INCLUDING ALL PERTINENT SCHEDULES) BEFORE IT IS FILED WITH THE INTERNAL REVENUE SERVICE. A DRAFT OF FORM 990 SHOULD BE READY FOR REVIEW BY THE BOARD PRIOR TO THE FILING DEADLINE. THE FORM IS SUBMITTED TO EACH MEMBER OF THE BOARD VIA EMAIL FOR REVIEW. IN CONDUCTING THEIR REVIEW OF THE DRAFT OF THE FORM 990, IT IS PREFERRED THAT THE BOARD SHALL CONDUCT A TOP-LEVEL OR BIG-PICTURE TYPE OF REVIEW. HOWEVER, IF THE BOARD DESIRES OR DEEMS IT NECESSARY TO CONDUCT A MORE DETAILED REVIEW OF THE FORM 990, THEN THEY SHOULD CONTACT THE PREPARER OF THE FORM 990 TO REQUEST COPIES OF THE RELEVANT DETAILED TAX RETURN WORKPAPERS WHICH THEY WOULD LIKE TO SEE. ONCE THE BOARD HAS COMPLETED ITS INITIAL REVIEW OF THE FORM 990, A MEETING OR CONFERENCE CALL WILL BE SCHEDULED WITH THE PREPARER OF THE FORM 990 (REGARDLESS OF WHETHER THE FORM 990 IS EXTERNALLY OR INTERNALLY PREPARED) TO DICUSS QUESTIONS, COMMENTS, AND SUGGESTED REVISIONS IDENTIFIED BY THE BOARD. THE PREPARER OF THE FORM 990 SHOULD MAKE ANY REVISIONS TO THE FORM 990 AS SOON AS FEASIBLY POSSIBLE TO ENSURE THAT THE FORM 990 IS FILED WITH THE INTERNAL REVENUE SERVICE ON A TIMELY BASIS. ALL OF THE QUESTIONS, COMMENTS, AND SUGGESTED REVISIONS SET FORTH BY THE BOARD SHOULD BE DOCUMENTED, ALONG WITH ANY RESPONSES FROM THE PREPARER OF THE FORM 990, IF APPLICABLE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE POLICY IS DISCUSSED ANNUALLY AT THE BOARD OF DIRECTORS MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | COMPENSATION AND PERFORMANCE REVIEW IS LED BY THE BOARD CHAIRMAN AND DISCUSSED AND REVIEWED BY ALL BOARD MEMBERS. COMPENSATION RECOMMENDATIONS TAKE INTO ACCOUNT INFORMATION PROVIDED BY THE CENTER FOR NOT FOR PROFIT MANAGEMENT'S COMPENSATION AND BENEFITS REPORT FOR SOUTHERN AND CENTRAL CALIFORNIA, INFORMATION FROM OTHER NOT-FOR-PROFIT ORGANIZATIONS AND FROM GENERAL MARKET TRENDS IN THE LOS ANGELES AREA. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | CATHOLIC SCHOOLS COLLABORATIVE FORMERLY KNOWN AS CATHOLIC SCHOOL CONSORTIUM MAKES ITS FORM 990, ORGANIZATIONAL DOCUMENTS AND FORM 1023 AVAILABLE TO THE PUBLIC THROUGH THE ATTORNEY GENERAL. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THESE DOCUMENTS ARE NOT YET AVAILABLE TO THE GENERAL PUBLIC UNLESS REQUESTED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | PAYROLL PROCESSING FEES: PROGRAM SERVICE EXPENSES 6,140. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 6,140. CONTRACTED SERVICES: PROGRAM SERVICE EXPENSES 353,530. MANAGEMENT AND GENERAL EXPENSES 36,346. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 389,876. EVALUATION: PROGRAM SERVICE EXPENSES 11,502. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 11,502. |
| 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 B, LINE 15 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART IX, LINE 11G |
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| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TemporarilyRstrNetAssetsGrp/BOYAmt | 0 | 555833 |
| IRS990/TemporarilyRstrNetAssetsGrp/EOYAmt | 0 | 630540 |
| IRS990/TempOrPermanentEndowmentsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
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| IRS990/TotalAssetsEOYAmt | 0 | 830746 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 670672 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 830746 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 1093373 |
| IRS990/TotalEmployeeCnt | 0 | 2 |
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| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 88989 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 850478 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 939467 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 97319 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 101864 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 97319 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 101864 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 573353 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 728882 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 112635 |
| IRS990/TotalOtherProgSrvcRevenueAmt | 0 | 219261 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 850478 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 143475 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 1454 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 1094827 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 670672 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 830746 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 684 |
| IRS990/TravelGrp/TotalAmt | 0 | 684 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UnrestrictedNetAssetsGrp/BOYAmt | 0 | 17520 |
| IRS990/UnrestrictedNetAssetsGrp/EOYAmt | 0 | 98342 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 312 EAST 1ST STREET NO 242 |
| IRS990/USAddress/CityNm | 0 | LOS ANGELES |