| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 13807923 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 10432691 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 28437855 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 25727845 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | Improve teaching and learning by providing customized assessment products and educational services |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 571582 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 15914 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 587496 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Rosario Rodriguez |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8884133669 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 9115 Westside Parkway |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Alpharetta |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | GA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 30009 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 11854453 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 251210 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 74 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 335406 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 1341623 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1677029 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 127733 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 9304 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 137037 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 1 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 14305475 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 5666068 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 4214511 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 3791568 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 2413814 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 13036 Collection Center Drive |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO Box 820405 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 211 North Loop 1604 East Suite 170 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 150 Flagship Drive |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 18001 Old Culter Road Ste 409 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Chicago |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Philadelphia |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | San Antonio |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | North Andover |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | Palmetto Bay |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | PA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | FL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 60693 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 19182 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 78232 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 01845 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 33157 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | NCS Pearson |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | Kelly Services |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | Emetric LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | Flagship Press |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | Piedra Data Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Subcontractor Assessment Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Temporary Staffing |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Subcontractor Testing Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Printing & Production |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | Subcontractor |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 65210 |
| IRS990/CYInvestmentIncomeAmt | 0 | 88911 |
| IRS990/CYOtherExpensesAmt | 0 | 64429518 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 92067174 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -7452228 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 35113585 |
| IRS990/CYTotalExpensesAmt | 0 | 99608313 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 92156085 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 4193859 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 699418 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 103077 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 5827838 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 5930915 |
| IRS990/Desc | 0 | Measured Progress, Inc. provides large-scale, special population and targeted educational assessment services and products to various state and local educational systems in the United States. Services and products include the complete development and production of software. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 394 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 85511821 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 61500 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 61500 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 153590 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 153590 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 638423 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 38138364 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 38776787 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 37.50 |
| 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/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 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 50439 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 48706 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 45668 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 47908 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 45918 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 44441 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 36286 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 13387 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 39076 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 23584 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Daniel Caton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Mark Elgart |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Karen Cowe |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Ellen Haley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Dr Paul Ramsey |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Martin Borg |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Richard Swartz |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Tim Loomer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Shelly Craig |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Stuart Kahl |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | James Bowen |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | David Christopher Picou |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Candance McCloy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Margie McCaw |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | David Ernst |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Stephen Ferrara |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 33000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 22000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 22000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 11000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 16500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 349121 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 277628 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 16500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 193637 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 258442 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 238565 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 205629 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 202310 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 204876 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 274994 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 243364 |
| 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 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | President/Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Past Senior VP/Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Past Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | CFO & Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Founding Principal/Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Past CIO/COO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Sr. VP Information Technology |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Sr. VP Human Resources |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Sr. VP Client Services |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Sr. VP Business Development |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Sr. Advisor Measurement Solutions |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1999 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 51788 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantAmt | 0 | 65210 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 65210 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 65210 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 338950 |
| IRS990/GrossReceiptsAmt | 0 | 92443247 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 5 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 69 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InfoInScheduleOPartXInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 1157746 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 2118951 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 3276697 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 365964 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 365964 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 2617547 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 2562890 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 616720 |
| IRS990/InterestGrp/TotalAmt | 0 | 616720 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 37123 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 37123 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 2531952 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 2531952 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 409 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 7651487 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 5371250 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 21727657 |
| IRS990/LegalDomicileStateCd | 0 | NH |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 287162 |
| 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 | To improve teaching and learning by providing customized assessment products and educational services. |
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| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 6080153 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 4981076 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 25476008 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 18600559 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 51788 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 51788 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 1451193 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 3265375 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 4716568 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 2106734 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2106734 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OnBehalfOfIssuerInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 73567090 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 72540612 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 576779 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 540204 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 3961633 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 4501837 |
| IRS990/OtherExpensesGrp/Desc | 0 | Service Center Costs |
| IRS990/OtherExpensesGrp/Desc | 1 | Dues & Sponsorships |
| IRS990/OtherExpensesGrp/Desc | 2 | Bad Debt Expense |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 263200 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 252559 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 3567 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 4247500 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 41387 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 4510700 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 293946 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 3567 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 68935886 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 70797032 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 4775600 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 21055469 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 25831069 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 212328 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 1759543 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 1971871 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 69717 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 1062062 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 1131779 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 1296021 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 1403196 |
| IRS990/PrincipalOfficerNm | 0 | Mr Mark Elgart |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611710 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Contract Revenue |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 92067174 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 92067174 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 79426 |
| IRS990/PYInvestmentIncomeAmt | 0 | 10789 |
| IRS990/PYOtherExpensesAmt | 0 | 66045460 |
| IRS990/PYOtherRevenueAmt | 0 | 46981 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 100704073 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -1783214 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 36420171 |
| IRS990/PYTotalExpensesAmt | 0 | 102545057 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 100761843 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -7452228 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 92067174 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 4089961 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 37123 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 48849 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3366 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 5007 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 6498 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 100843 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 92067174 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 100704073 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 87898164 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 89428573 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 93805233 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 463903217 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 37123 |