| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1212 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 5180 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 6671 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | CATHOLIC SCHOOLS COLLABORATIVE (CSC)establishes and supports multi-school efforts that foster best practicies in the areas of academics, operations, leadership and parent engagement at Catholic PK -8th grade schools in lower income Los Angeles communities. |
| IRS990/AllOtherContributionsAmt | 0 | 1520225 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 6728 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 25198 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 31926 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | LDA SERVICES INC |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2139956858 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 5800-A HANNUM AVE SUITE 205 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CULVER CITY |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 90230 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 346275 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 274710 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 3 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 17550 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 157950 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 175500 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 140040 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 105000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 118592 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2380 BRETON DRIVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 6373 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 26005 OAK STREET SUITE 3 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | OAKDALE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | ROSEMEAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | LOMITA |
| 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 | 95361 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 91770 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 90717 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | STEPHEN A JOHNSON |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 1 | MELISSA JARA |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 2 | BUTTERFLY BEHAVIOR CONSULTING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | TRAINING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | COACHING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | BEHAVIOR SUPPORT |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1520225 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 24214 |
| IRS990/CYOtherExpensesAmt | 0 | 1233289 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 99175 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 211975 |
| IRS990/CYTotalExpensesAmt | 0 | 1445264 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1544439 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 1018938 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 625000 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/Desc | 0 | PILLAR 2: ACADEMIC EXCELLENCE. High educational achievement is a hallmark of healthy schools and critical to meeting the needs of the underpriviledged urban communities that CSC partner school services. CSCs academic excellence pillar area empowers educators and students with the right curriculum, material and pedagogical resources for high quality education and informed and responsible citizenship. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 46801 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 2 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 656482 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1475 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 13273 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 14748 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | 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 | ELLEN P HOLTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ANTONIO FELIX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOSEPH VALDES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SUSAN F MOLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | BRUCE G WILLISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CARRIE SHEA TILTON |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 175500 |
| 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/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/TitleTxt | 0 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | SECRETARY |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2013 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 5 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 1544439 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 291 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 2618 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2909 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 24214 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 24214 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 946819 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 765867 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| 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 | CATHOLIC SCHOOLS COLLABORATIVE (CSC)establishes and supports multi-school efforts that foster best practicies 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 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 324882 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 426868 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 278081 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 426868 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 405 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 405 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 24591 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 1550 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 13949 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 15499 |
| IRS990/OtherExpensesGrp/Desc | 0 | PROGRAM EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | STIPENDS |
| IRS990/OtherExpensesGrp/Desc | 2 | RENTALS |
| IRS990/OtherExpensesGrp/Desc | 3 | EVENTS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1660 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 480 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 4156 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 1148365 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 1195 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 2104 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 25341 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 1150025 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 1195 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 2584 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 29497 |
| IRS990/OtherInd | 0 | X |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 4372 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 4738 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 764 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 6878 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 7642 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 1334 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 12000 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 13334 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 25327 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 10570 |
| IRS990/PrincipalOfficerNm | 0 | BRUCE G WILLISON |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | 2811 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | PILLAR 3: SOCIAL EMOTIONAL STUDENT SUPPORT. Learning and growth depends on everyone having confidence that they can trust each other with openness, kindness and respect. CSCs social emtional student supports the pillar area and 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 their life. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 350150 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 349439 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | PILLAR 1: OPERATING 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. CSCs operational vitality pillar area facilitates strong financial management, instructional leadership, site visioning and an environment for voice and growth for all stakeholders. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 308576 |
| IRS990/ProgSrvcAccomActy3Grp/RevenueAmt | 0 | 340020 |
| 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 establishes schools into true communities for growth, learning and care. CSCs Parent, Family & Community Engagement pillar area builds parent and family engagement in an undertanding of students education and critical parent-school relations. |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 93663 |
| IRS990/ProgSrvcAccomActyOtherGrp/RevenueAmt | 0 | 68040 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 1578713 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 3631 |
| IRS990/PYOtherExpensesAmt | 0 | 1410719 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -42132 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 213757 |
| IRS990/PYTotalExpensesAmt | 0 | 1624476 |
| IRS990/PYTotalRevenueAmt | 0 | 1582344 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 99175 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | true |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | true |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 722928 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 1520225 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1578713 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1895621 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1060246 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1038923 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 7093728 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 24214 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 3631 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1878 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 2243 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1493 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 33459 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 24214 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 3631 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 1878 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 2243 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1493 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 33459 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 33200 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 148 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 33348 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.99070 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.99390 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 7093728 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 1520225 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1578713 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1895621 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1060246 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 1038923 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 7093728 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 1544439 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 1582344 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 1930699 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 1062489 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 1040564 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 7160535 |
| 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/ExpensesSubtotalAmt | 0 | 1445264 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 4738 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DEFERRED RENT |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | CREDIT CARD |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 2 | PAYROLL LIABILITIES |
| IRS990ScheduleD/OtherSecuritiesGrp/BookValueAmt | 0 | 765867 |
| IRS990ScheduleD/OtherSecuritiesGrp/Desc | 0 | INVESTMENTS |
| IRS990ScheduleD/OtherSecuritiesGrp/MethodValuationCd | 0 | F |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 1544439 |
| IRS990ScheduleD/TotalBookValueSecuritiesAmt | 0 | 765867 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 1445264 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 4738 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 1544439 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 1544439 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 1445264 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | false |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | false |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | false |
| IRS990ScheduleJ/CompensationCommitteeInd | 0 | X |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | true |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 175500 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | ELLEN P HOLTON |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | EXECUTIVE DIRECTOR |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 175500 |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | FORM 990, PART VI, SECTION B, LINE 11B:The Board shall have the responsibility for reviewing the organizations Form 990 (including all pertinent schedules) before it is filed with the Internal Revenue Service.The Board of Directors reviews the Draft Form 990 should be ready for review prior to the filing deadline. The Form is submitted to each member 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. 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. FORM 990, PART VI, SECTION, B, LINE 11B (CONTINUED):Once the Board has completed its initital 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 discuss questions, comments and suggested revisions identified by the Board.The Form 990 preparer 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 | FORM 990, PART VI, SECTION B, LINE 12C:The policy is discussed annually at the Board of Directors Meeting. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Board Chairman leads the compensation and performance review and is discussed and reviewed by all board members. The compensation recommendation take into account information provided by the Center for Not For Profit Managements 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 | FORM 990, PART VI, SECTION B, LINE 15:Board Chairman leads the compensation and performance review and is discussed and reviewed by all board members. The compensation recommendation take into account information provided by the Center for Not For Profit Managements 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 | 4 | FORM 990 FORMS ARE AVAILABLE TO THE PUBLIC FOR INSPECTION VIA GUIDE STAR |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | FORM 990, PART VI, SECTION C, LINE 18:Catholic Schools Collaborative formerly known as Catholic School Consortium makes its Form 990, organizational documents available to the public through GUIDE STAR website FORM 990, PART VI, SECTION C, LINE 19:These documents are available to the General Public via GUIDE STAR |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | PART X, LINE 2:The organization evaluates uncertain tax positions whereby the effect of the uncertainity would be recorded if the tax positions were more likely than not to be sustained upon examination. As of year-end, the organization has no uncertain tax positions requirting accrual or disclosure. PART I, LINE 2: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 Eligibilty criteria to receive grants and grantee selection. School selection in pilot programs are dependant on interest, readiness, commitment, capacity, recommendations and other factors. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990 governing body review Part VI line 11 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Conflict of interest policy compliance Part VI line 12c |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | CEO executive director top management comp Part VI line 15a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Other officer or key employee compensation Part VI line 15b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Form 990 availability to public Part VI line 18 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | Governing documents etc available to public Part VI line 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | General explanation attachment |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| 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 | 1348192 |
| IRS990/TotalAssetsEOYAmt | 0 | 1057818 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 1348192 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 1057818 |
| IRS990/TotalCompGreaterThan150KInd | 0 | true |
| IRS990/TotalContributionsAmt | 0 | 1520225 |
| IRS990/TotalEmployeeCnt | 0 | 2 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 36393 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 1408871 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 1445264 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 1023310 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 630950 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 1023310 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 630950 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 324882 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 426868 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 93663 |
| IRS990/TotalOtherProgSrvcRevenueAmt | 0 | 68040 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 1408871 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 175500 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 24214 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 1544439 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 1348192 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 1057818 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 5 |
| IRS990/VotingMembersIndependentCnt | 0 | 5 |
| IRS990/WebsiteAddressTxt | 0 | www.csclosangeles.org |