| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 2033779 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2434652 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1629237 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1305161 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | DC PREP IS A NETWORK OF PUBLIC CHARTER SCHOOLS SERVING STUDENTS IN WASHINGTON, DC. |
| IRS990/AllOtherContributionsAmt | 0 | 2170580 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 3496 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 128804 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 198464 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 330764 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | WENDY SCOTT |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2026354590 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 707 EDGEWOOD STREET NE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WASHINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DC |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 20017 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 10311283 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 9488017 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 7 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 24282 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 699653 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 96420 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 820355 |
| 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 | 778643 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 505434 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 363167 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 229838 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 224934 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO BOX 742759 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1214 28TH STREET NW |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 15938 DERWOOD ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 714 G STREET SE 201 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 1611 CONNECTICUT AVENUE NW SUITE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | LOS ANGELES |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | ROCKVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 90074 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 20007 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 20855 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 20003 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 20009 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | REVOLUTION FOODS |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | MCN BUILD LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | PMM COMPANIES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | END-TO-END SOLUTIONS FOR SP ED |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | EDOPS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | FOOD SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CONSTRUCTION SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | JANITORIAL AND FACILITIES MGMT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | SPECIAL EDUCATION SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | ACCOUNTING AND FINANCE |
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| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 30704806 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 5742 |
| IRS990/CYInvestmentIncomeAmt | 0 | 14096 |
| IRS990/CYOtherExpensesAmt | 0 | 10436137 |
| IRS990/CYOtherRevenueAmt | 0 | 7618 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 1235981 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -95155 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 21615777 |
| IRS990/CYTotalExpensesAmt | 0 | 32057656 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 296546 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 31962501 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 33745 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 33745 |
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| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 3772 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 152104 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1879442 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2035318 |
| IRS990/Desc | 0 | DC PREP'S MISSION IS TO BRIDGE THE EDUCATIONAL DIVIDE IN THE NATION'S CAPITAL BY INCREASING THE NUMBER OF STUDENTS FROM UNDERSERVED COMMUNITIES WITH THE ACADEMIC PREPARATION AND PERSONAL CHARACTER TO SUCCEED IN COMPETITIVE HIGH SCHOOLS AND COLLEGES. DC PREP CURRENTLY OPERATES FIVE TUITION-FREE PUBLIC CHARTER SCHOOLS THAT ARE OPEN TO ANY CHILD IN WASHINGTON, ENROLLING OVER 1,700 STUDENTS IN GRADES PRESCHOOL THROUGH 8TH GRADE. HISTORICALLY, 98% OF DC PREP STUDENTS ARE AFRICAN-AMERICAN AND 2% ARE HISPANIC; OVER 80% OF STUDENTS LIVE IN POVERTY, AS MEASURED BY ELIGIBILITY FOR FREE/REDUCED PRICE MEALS. IN 2016, CITYWIDE PARTNERSHIP FOR ASSESSMENT OF COLLEGE AND CAREER READINESS (PARCC) RESULTS WERE RELEASED. PARCC IS THE ANNUAL EDUCATIONAL ASSESSMENT THAT MEASURES PUBLIC SCHOOL STUDENTS' PROGRESS TOWARD MASTERY OF THE COMMON CORE STATE STANDARDS, AND IS CONSIDERED A RELIABLE PREDICTOR OF COLLEGE AND CAREER READINESS. PARCC EVALUATES EACH STUDENT'S PERFORMANCE ON A 5-POINT SCALE, WITH LEVEL 4+ DEMONSTRATING PROFICIENCY. DC PREP CONTINUES TO BE THE HIGHEST-PERFORMING NETWORK OF PUBLIC CHARTER SCHOOLS IN WASHINGTON FOR THE FIFTH CONSECUTIVE YEAR. IN ADDITION, FOR THE SECOND YEAR IN A ROW, DC PREP HAS THE HIGHEST COMBINED ELA AND MATH PROFICIENCY IN THE CITY FOR STUDENTS IN THE ECONOMICALLY-DISADVANTAGED SUBGROUP - THE VERY CHILDREN IT IS OUR MISSION TO SERVE.EVEN MORE IMPORTANT, AND ALIGNED WITH OUR MISSION, EVERY DC PREP 8TH GRADE GRADUATE (N=340) HAS BEEN ACCEPTED BY A COLLEGE-PREP HIGH SCHOOL, WITH OVER TWO-THIRDS OFFERED ADMISSION TO SELECTIVE SCHOOLS INCLUDING BENJAMIN BANNEKER, CHOATE ROSEMARY HALL, BULLIS, THE FIELD SCHOOL, GEORGETOWN VISITATION, THE HILL SCHOOL, MARET, PHILLIPS ACADEMY ANDOVER, PHILLIPS EXETER ACADEMY, ST. ALBANS, SIDWELL FRIENDS SCHOOL, AND SCHOOL WITHOUT WALLS, AMONG OTHERS. THESE STUDENTS HAVE EARNED $7M IN SCHOLARSHIP SUPPORT. FURTHER, 96% OF DC PREP'S FIRST SIX GRADUATING CLASSES HAVE EARNED THEIR HIGH SCHOOL DIPLOMAS. IN ADDITION, 80% HAVE MATRICULATED TO COLLEGE, ENROLLING IN SCHOOLS SUCH AS GEORGE MASON, GEORGETOWN, GETTYSBURG, HAMPTON, VANDERBILT, UNIVERSITY OF MARYLAND, AND HOWARD.DC PREP IS POISED TO GROW TO TEN CAMPUSES (WITH FIVE PAIRS OF LINKED ELEMENTARY AND MIDDLE SCHOOLS), ULTIMATELY ENROLLING 3,500 PRESCHOOL - 8TH GRADE STUDENTS IN WARDS 5, 7, AND 8. ULTIMATELY, DC PREP HOPES TO PLAY A MAJOR ROLE IN IMPROVING PUBLIC EDUCATION IN DC AND IN THE COUNTRY, SHOWING THAT LOW-INCOME MINORITY STUDENTS ARE FULLY CAPABLE OF THE GREATEST ACCOMPLISHMENTS, AND THAT ONE OF THE LOWEST-PERFORMING PUBLIC SCHOOL DISTRICTS IN THE NATION, WASHINGTON, DC, CAN BECOME ONE OF THE BEST. |
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| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonatedServicesAndUseFcltsAmt | 0 | 21061 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 387 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 26390215 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FederatedCampaignsAmt | 0 | 5 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 337260 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 337260 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 115917 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 18500 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 134417 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 16862 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 210241 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 227103 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 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/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | 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/OfficerInd | 6 | 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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 9923 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 7670 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 17097 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 5584 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 13003 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 5576 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 15874 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 15712 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | LE ROY TERRY EAKIN III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | BRIAN JONES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | ERIC PRICE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | KATHERINE BOONE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JENNY ABRAMSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | TEARSA COATES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | LISA DIXON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | CHARIS DRANT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MICHELA ENGLISH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | PATRICK GROSS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JUDY LANSING KOVLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | MAURA MARINO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | ARTHUR MCKEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | FRENNIE NIXON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | CAROL PENSKY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | VALERIE ROCKEFELLER WAYNE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | EMILY K LAWSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | WENDY SCOTT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | KATHLEEN ROUSE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | KATIE SEVERN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | SHAUNTE EDMONDS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | NICOLE BRYAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | ELIZABETH IBBY JEPPSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | CASSIE PERGAMENT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | RAYMOND WEEDEN |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 219546 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 172113 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 162000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 205591 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 144695 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 133896 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 128950 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 128210 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 127916 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR - UNTIL 01/2016 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | FOUNDER/CEO; DIR. - UNTIL 05/2016 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | COO - UNTIL 5/2016 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | CHIEF ACADEMIC OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | PRINCIPAL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | SR. DIR. OF ELEMENTARY PROGRAMMING |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | CHIEF DEVELOPMENT OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | PRINCIPAL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | PRINCIPAL |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2001 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | -2004 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 15 |
| IRS990/GovernmentGrantsAmt | 0 | 28534221 |
| IRS990/GrantAmt | 0 | 5742 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 5742 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 5742 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 89893 |
| IRS990/GrossReceiptsAmt | 0 | 32054398 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 15 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 15 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1719 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 39693 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 188225 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 229637 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 1652 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 38161 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 180959 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 220772 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 16100 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 16100 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 66 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 8233580 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 41550411 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 44330476 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 52564056 |
| IRS990/LegalDomicileStateCd | 0 | DC |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 91897 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| 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 | DC PREP'S MISSION IS TO BRIDGE THE EDUCATIONAL DIVIDE IN WASHINGTON, DC BY INCREASING THE NUMBER OF STUDENTS FROM UNDERSERVED COMMUNITIES WITH THE ACADEMIC PREPARATION AND PERSONAL CHARACTER TO SUCCEED IN COMPETITIVE HIGH SCHOOLS AND COLLEGES. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 29816437 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 31029132 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 13878580 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 13764598 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -2004 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -2004 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -39888 |
| IRS990/NoncashContributionsAmt | 0 | 95068 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 18944 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 58661 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 3112592 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 3190197 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 79722 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 79721 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 372035 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 531478 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OnBehalfOfIssuerInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1371759 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1249196 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 7684 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 199790 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 1247489 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 1454963 |
| IRS990/OtherExpensesGrp/Desc | 0 | DIRECT STUDENT COSTS |
| IRS990/OtherExpensesGrp/Desc | 1 | DUES/FEES/FINES |
| IRS990/OtherExpensesGrp/Desc | 2 | STAFF RELATED EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 3 | AUTHORIZER FEES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 2544 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 8454 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 74056 |