| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 274768 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 399250 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 3517491 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 3849998 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | OPERATION OF A CALIFORNIA PUBLIC CHARTER SCHOOL SERVING STUDENTS FROM GRADE 7 TO GRADE 12. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 32874 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 32874 |
| IRS990/AllOtherContributionsAmt | 0 | 328 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | EXCELSIOR CHARTER GROUP |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7602454262 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 15505 CIVIC DRIVE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | VICTORVILLE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 92392 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1354 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 202345 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 649011 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 851356 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 64846 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 167356 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 232202 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 132530 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 128117 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 16085 TUSCOLA RD SUITE 7 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 225 S CIVIC DRIVE STE 217 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | APPLE VALLEY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | PALM SPRINGS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 92307 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 92262 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | WHOLESALE SECURITY LP WATCHMEN PATROL |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | VAN DIXBORN & ASSOCIATES LLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | SECURITY |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | SPEECH THERAPY |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 21380569 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 363110 |
| IRS990/CYInvestmentIncomeAmt | 0 | 19303 |
| IRS990/CYOtherExpensesAmt | 0 | 8838302 |
| IRS990/CYOtherRevenueAmt | 0 | 40135 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 82282 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1698902 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 14019779 |
| IRS990/CYTotalExpensesAmt | 0 | 23221191 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 21522289 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1175206 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1175206 |
| IRS990/Desc | 0 | EXCELSIOR OPERATES A VARIETY OF EDUCATIONAL PROGRAMS, PREDOMINATELY A NON-CLASSROOM-BASED MODEL. STUDENTS, IN GRADES 7-12, ARE WELCOME FROM THE SURROUNDING COMMUNITY AS WELL AS WITHIN THE BOUNDARIES SET BY THE STATE. EXCELSIOR SEEKS TO SERVE THOSE STUDENTS WHO WILL BE BEST EDUCATED IN AN ALTERNATIVE SETTING, OUTSIDE THE TRADITIONAL CLASSROOM ENVIRONMENT, BY PROVIDING THE SUPPORT AND RESOURCES UNIQUELY DESIGNED FOR THE GRADUATE TO ACHIEVE HIS/HER LIFE GOALS. THE COOPERATIVE TEAM OF STAFF, STUDENTS AND FAMILY DIRECTS THE EDUCATIONAL PROCESS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 251 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 125183 |
| IRS990/ExpenseAmt | 0 | 17770329 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 20375 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 20375 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 50811 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 50811 |
| IRS990/FeesForServicesManagementGrp/ManagementAndGeneralAmt | 0 | 1007912 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 1477853 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 2485765 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 259312 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 591639 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 850951 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 30.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 30.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 30.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 30.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 30.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| 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/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | 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 | 27658 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 26626 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 16526 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 15249 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 9554 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 8176 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 13009 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 12555 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 12414 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 12882 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | GUY BURNETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | WAYNE COSTA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | LUCY RIVERA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ALAN KAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | TERRANCE STONE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | SUSAN KEIGHTLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | NAVID MCCARTHY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | PETER WRIGHT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ALICIA ANDERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | RONNIE HENDERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JAMIE LOWE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | DEREK KING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | LETICIA PEREZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | LINDSEY LEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | BRIAN LAMERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | MARIE SILVA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | CARMEN JONES |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 4800 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 4400 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 4800 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 4400 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 3600 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 4600 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 2000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 270019 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 169151 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 158496 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 156103 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 128643 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 125930 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 122584 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 121211 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 121088 |
| 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 | 2800 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 198803 |
| 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/TitleTxt | 0 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | SUPERINTENDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | CHIEF OPERATING OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DEPUTY SUPT. OF EDUCATIONAL SERVICES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | ASST. SUPT. OF SCHOOL ADMINISTRATIVE SERVICES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | ASST. SUPT. OF STUDENT SERVICES |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | PRINCIPAL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | PRINCIPAL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | PRINCIPAL - CORONA-NORCO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | SPECIAL ED DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | PRINCIPAL |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2008 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GovernmentGrantsAmt | 0 | 21380241 |
| IRS990/GrantAmt | 0 | 363110 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 44207 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 44207 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 318903 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 318903 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 21522289 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 11 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 85524 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 139608 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 225132 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 156244 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 156244 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 19303 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 19303 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 56 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 8584188 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 32117254 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 31105160 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 39689348 |
| 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 | EEC'S MISSION IS "PREPARING STUDENTS TO BE SUCCESSFUL ADULTS." |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 39983627 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 38284725 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 1073783 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 181286 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1255069 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 819191 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 487669 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1306860 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 98038 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 1878857 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1976895 |
| IRS990/OtherExpensesGrp/Desc | 0 | INSTRUCTIONAL MATERIALS |
| IRS990/OtherExpensesGrp/Desc | 1 | CHARTER OVERSIGHT FEES |
| IRS990/OtherExpensesGrp/Desc | 2 | MAINTENANCE AND REPAIRS |
| IRS990/OtherExpensesGrp/Desc | 3 | DUES AND MEMBERSHIPS |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 182905 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 54808 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 36938 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 470371 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 6723 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 13792 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 470371 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 182905 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 61531 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 50730 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 611710 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 524298 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | E-RATE |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | IPAD INSURANCE/TRADE |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 21385 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 1 | 18750 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 21385 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 18750 |
| IRS990/OtherRevenueTotalAmt | 0 | 40135 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 113562 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 8273468 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 8387030 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 17780 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 449997 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 467777 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 31282 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 2305439 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 2336721 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 546450 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 375349 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611710 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | STUDENT ACTIVITIES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 82282 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 82282 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 20601198 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 13250 |
| IRS990/PYInvestmentIncomeAmt | 0 | 19531 |
| IRS990/PYOtherExpensesAmt | 0 | 8927795 |
| IRS990/PYOtherRevenueAmt | 0 | 145657 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 78558 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -538561 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 12442460 |
| IRS990/PYTotalExpensesAmt | 0 | 21383505 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 20844944 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -1698902 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 122417 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 4077200 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 3477297 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/AdditionsDuringYearAmt | 0 | 33002 |
| IRS990ScheduleD/AgentTrusteeEtcInd | 0 | 1 |
| IRS990ScheduleD/BeginningBalanceAmt | 0 | 92181 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 29351967 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 6700547 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 36052514 |
| IRS990ScheduleD/EndingBalanceAmt | 0 | 125183 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 582293 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 1673022 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 2255315 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 23221191 |
| IRS990ScheduleD/ExplanationProvidedInd | 0 | X |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/InclEscrowCustodialAcctLiabInd | 0 | 1 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 140423 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 140423 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 1030477 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 210619 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 1241096 |