Liabilities / Assets
25th percentile
Higher debt load relative to assets than 25% of similar nonprofits.
EIN 45-4885204 • 501(c)3 • Memphis, TN
Profile
Equips students with wisdom and knowledge necessary to succeed in college
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
25th percentile
Higher debt load relative to assets than 25% of similar nonprofits.
Liabilities / Revenue
17th percentile
Higher debt load relative to revenue than 17% of similar nonprofits.
Net Margin
65th percentile
Higher net margin than 65% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
67th percentile
Faster asset growth than 67% of similar nonprofits.
Revenue Growth
18th percentile
Faster revenue growth than 18% of similar nonprofits.
Assets
Up$30,379,135
Up $3,020,566 (+11%) from 2024
Liabilities
Up$1,328,930
Up $646,246 (+95%) from 2024
Net Assets
Up$29,050,205
Up $2,374,320 (+8.9%) from 2024
Revenue
Down$21,535,365
Down $2,308,819 (-9.7%) from 2024
Expenses
Down$19,161,045
Down $1,163,987 (-5.7%) from 2024
Net Income
Down$2,374,320
Down $1,144,832 (-33%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
Equips students with wisdom and knowledge necessary to succeed in college
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $14,738,108 | $14,865,717 | ▲ $127,609 |
| Cash and Non-Interest-Bearing Accounts | $5,378,128 | $8,262,538 | ▲ $2,884,410 |
| Land, Buildings, and Equipment, Net | $374,922 | $1,848,528 | ▲ $1,473,606 |
| Accounts Receivable | $3,386,680 | $1,185,794 | ▼ $2,200,886 |
| Prepaid Expenses and Deferred Charges | $25,080 | - | - |
| Total Assets | $27,358,569 | $30,379,135 | ▲ $3,020,566 |
| Other Assets Total | $3,455,651 | $4,216,558 | ▲ $760,907 |
| Liabilities | |||
| Other Liabilities | $390,590 | $1,010,795 | ▲ $620,205 |
| Accounts Payable and Accrued Expenses | $292,094 | $318,135 | ▲ $26,041 |
| Total Liabilities | $682,684 | $1,328,930 | ▲ $646,246 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $26,675,885 | $29,050,205 | ▲ $2,374,320 |
| Total Net Assets Fund Balance | $26,675,885 | $29,050,205 | ▲ $2,374,320 |
| Total Liabilities and Net Assets / Fund Balance | $27,358,569 | $30,379,135 | ▲ $3,020,566 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $1,500,325 | $6,278 | $1,506,603 |
| Equipment | $180,803 | $56,827 | $237,630 |
| Land | $167,400 | - | $167,400 |
| Other Assets Org | $45,890 | - | - |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Drew Sippel | Executive Director | FT | $257,660 | $11,861 | $269,521 |
| Michelle L Burnett | Chief Schools Officer | FT | $159,095 | $6,973 | $166,068 |
| Yolanda Dandridge | Chief Academic Officer | FT | $117,894 | $6,392 | $124,286 |
| Deneia Brooks | Principal Cornerstone Prep - Lester | FT | $107,440 | $6,973 | $114,413 |
| Ebony Jones | Principal Cornerstone Prep - Denver | FT | $104,272 | $6,973 | $111,245 |
| Bridgette V Simmons | Dean of Culture | FT | $106,439 | - | $106,439 |
| Name | Title |
|---|---|
| Scott Walker | Chairman |
| Thomas M Marino | Vice Chairman |
| Camela Echols | Director |
| Dr Yolunda Bass Beale | Director |
| Elliot Perry | Director |
| Octavious Nickson | Director |
| Paul F T Edwards | Secretary |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Give Clean LLC | Cleaning Service | 2139 S GERMANTOWN, Germantown, TN 38138 | $360,772 |
| Durham School Services | Transportation | PO BOX 841879, Dallas, TX 75284-1879 | $148,179 |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $14,237,309 |
| Other Expenses | $4,923,736 |
| Total Fundraising Expense | $46,334 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $9,046,525 | $1,207,234 | $19,600 | $10,273,359 |
| Current Officers, Directors, Trustees, and Key Employees | $1,333,585 | $143,845 | $24,684 | $1,502,114 |
| Occupancy | $1,335,302 | $70,279 | - | $1,405,581 |
| Other Employee Benefits | $860,124 | $15,118 | - | $875,242 |
| Payroll Taxes | $750,855 | $96,864 | $2,050 | $849,769 |
| Pension Plan Contributions | $736,825 | - | - | $736,825 |
| Fees for Services Other | $558,560 | - | - | $558,560 |
| All Other Expenses | $508,563 | - | - | $508,563 |
| Other Expenses | $326,224 | $154,618 | - | $326,224 |
| Office Expenses | $110,718 | - | - | $110,718 |
| Insurance | $19,755 | $79,020 | - | $98,775 |
| Advertising | $48,862 | - | - | $48,862 |
| Depreciation Depletion | $34,994 | $1,842 | - | $36,836 |
| Travel | $9,958 | - | - | $9,958 |
| Total Functional Expenses | $17,345,891 | $1,768,820 | $46,334 | $19,161,045 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $19,161,045 |
| Total Expenses per Audited Statements | $19,161,045 |
| Total Expenses per Form 990 | $19,161,045 |
| Expenses Not Reported on Financial Statements | $0 |
| Expenses Not Reported on Form 990 | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Deferred Inflows | $963,377 |
| Lease Liability | $47,418 |
“The preparer provided a copy of the final version of form 990 to the board of directors before it was filed. Additionally, the board of directors reviewed and approved the return before it was filed.”
“Annual conflict of interest statements to identify potential conflicts with vendors, employees, clients, and other potential conflicts are completed by all board members. Periodic reviews are also conducted and when conflicts arise, a resolution is determined by the board of directors.”
“Compensation for all employees of capstone education group are determined based on market rates, education level and experience and compensation levels are consistent with comparable data from school systems in the area with board approval of all employee compensation.”
“Capstone education group has available for public inspection all required documents in a separate binder marked "open for public inspection and will provide the information for review by anyone upon request.”
“The organization has not changed the oversight process for the audited financial statements or the selection process of the independent auditors from the prior year.”
“Accounting principles generally accepted in the united states of america requires management of the school to evaluate tax positions taken by the school and recognize a tax liability (or asset) if the school has taken an uncertain position that more likely than not would not be sustained upon examination by the irs. The school has analyzed the tax positions taken by the school and has concluded that as of june 30, 2025, there are no uncertain positions taken or expected to be taken that would require recognition of a liability (or asset) or disclosure in the financial statements. The school is subject to routine audits by taxing jurisdictions; however, there are currently no audits in progress for any tax periods. The school believes that it is no longer subject to income tax examinations for years prior to 2022.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 292094 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 318135 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 3386680 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 1185794 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | EQUIPS STUDENTS WITH WISDOM AND KNOWLEDGE NECESSARY TO SUCCEED IN COLLEGE |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 48862 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 48862 |
| IRS990/AllOtherContributionsAmt | 0 | 884488 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 508563 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 508563 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE ORGANIZATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9014163640 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 320 CARPENTER ST |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | MEMPHIS |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | TN |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 38112 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 5378128 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 8262538 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 24684 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 143845 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 1333585 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1502114 |
| 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 | 360772 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 148179 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 2139 S GERMANTOWN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 841879 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | GERMANTOWN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | DALLAS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | TN |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 38138 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 752841879 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | GIVE CLEAN LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | DURHAM SCHOOL SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CLEANING SERVICE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | TRANSPORTATION |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 20527051 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1008314 |
| IRS990/CYOtherExpensesAmt | 0 | 4923736 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 2374320 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 14237309 |
| IRS990/CYTotalExpensesAmt | 0 | 19161045 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 46334 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 21535365 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1842 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 34994 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 36836 |
| IRS990/Desc | 0 | COLLEGE PREPARATORY SCHOOL PROVIDING STUDENTS WITH A CHALLENGING AND HIGH QUALITY EDUCATION. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 269 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 17345891 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 558560 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 558560 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 50.00 |
| 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/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 | 11861 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 6392 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 6973 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 6973 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 6973 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | PAUL F T EDWARDS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | THOMAS M MARINO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | CAMELA ECHOLS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SCOTT WALKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | OCTAVIOUS NICKSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | DR YOLUNDA BASS BEALE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ELLIOT PERRY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | DREW SIPPEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | YOLANDA DANDRIDGE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | MICHELLE L BURNETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | BRIDGETTE V SIMMONS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | DENEIA BROOKS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | EBONY JONES |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 257660 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 117894 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 159095 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 106439 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 107440 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 104272 |
| 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/TitleTxt | 0 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | CHIEF ACADEMIC OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | CHIEF SCHOOLS OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DEAN OF CULTURE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | PRINCIPAL CORNERSTONE PREP - LESTER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | PRINCIPAL CORNERSTONE PREP - DENVER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2012 |
| 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 | 19642563 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 21535365 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 6 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 79020 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 19755 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 98775 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1008314 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1008314 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 11 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 63105 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 374922 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 1848528 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1911633 |
| IRS990/LegalDomicileStateCd | 0 | TN |
| 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 | EQUIPS STUDENTS WITH WISDOM AND KNOWLEDGE NECESSARY TO SUCCEED IN COLLEGE |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 26675885 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 29050205 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 26675885 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 29050205 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 70279 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 1335302 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1405581 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 110718 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 110718 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 3455651 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 4216558 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 15118 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 860124 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 875242 |
| IRS990/OtherExpensesGrp/Desc | 0 | CONTRACT SERVICES |
| IRS990/OtherExpensesGrp/Desc | 1 | DUES AND MEMBERSHIPS |
| IRS990/OtherExpensesGrp/Desc | 2 | SUPPLIES |
| IRS990/OtherExpensesGrp/Desc | 3 | STUDENT SERVICES |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 154618 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 872316 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 438184 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 354541 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 326224 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 1026934 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 438184 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 354541 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 326224 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 390590 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 1010795 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 19600 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 1207234 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 9046525 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 10273359 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 2050 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 96864 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 750855 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 849769 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 736825 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 736825 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 25080 |
| IRS990/PrincipalOfficerNm | 0 | DREW SIPPEL |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 22939817 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 904367 |
| IRS990/PYOtherExpensesAmt | 0 | 4976511 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 3519152 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 15348521 |
| IRS990/PYTotalExpensesAmt | 0 | 20325032 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 23844184 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 2374320 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 14738108 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 14865717 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| 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 | 1 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 1500325 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 6278 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1506603 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 180803 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 56827 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 237630 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 19161045 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 167400 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 167400 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 0 | 1148836 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 1 | 2256799 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 2 | 765033 |
| IRS990ScheduleD/OtherAssetsOrgGrp/BookValueAmt | 3 | 45890 |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 0 | DEFERRED OUTFLOWS |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 1 | NET PENSION ASSET |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 2 | TCRS STABILIZATION TRUST |
| IRS990ScheduleD/OtherAssetsOrgGrp/Desc | 3 | RIGHT OF USE LEASE ASSET |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 963377 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 47418 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DEFERRED INFLOWS |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | LEASE LIABILITY |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 0 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 21535365 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRES MANAGEMENT OF THE SCHOOL TO EVALUATE TAX POSITIONS TAKEN BY THE SCHOOL AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF THE SCHOOL HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE IRS. THE SCHOOL HAS ANALYZED THE TAX POSITIONS TAKEN BY THE SCHOOL AND HAS CONCLUDED THAT AS OF JUNE 30, 2025, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY (OR ASSET) OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE SCHOOL IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS; HOWEVER, THERE ARE CURRENTLY NO AUDITS IN PROGRESS FOR ANY TAX PERIODS. THE SCHOOL BELIEVES THAT IT IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR YEARS PRIOR TO 2022. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 1848528 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 4216558 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 19161045 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 1010795 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 21535365 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 21535365 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 19161045 |
| IRS990ScheduleE/ComplianceWithRevProc7550Ind | 0 | 1 |
| IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceAthltProgInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEducPlcyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceOtherActyInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceSchsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd | 0 | 0 |
| IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd | 0 | 0 |
| IRS990ScheduleE/GovernmentFinancialAidRcvdInd | 0 | 1 |
| IRS990ScheduleE/GovernmentFinancialAidRvkdInd | 0 | 0 |
| IRS990ScheduleE/MaintainCpyOfAllSolInd | 0 | 1 |
| IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/MaintainRacialCompRecsInd | 0 | 1 |
| IRS990ScheduleE/MaintainScholarshipsRecsInd | 0 | 1 |
| IRS990ScheduleE/NondiscriminatoryPolicyStmtInd | 0 | 1 |
| IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd | 0 | 1 |
| IRS990ScheduleE/PolicyStmtInBrochuresEtcInd | 0 | 1 |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 0 | ALL MATERIALS RELATED TO SOLICITATION FOR STUDENTS, INCLUDING REGISTRATION MATERIALS, CLEARLY DESCRIBES THE SCHOOL'S NON-DISCRIMINATION POLICIES IN AN ATTEMPT TO INFORM THE ENTIRE COMMUNITY OF ITS NON-DISCRIMINATORY POLICIES. |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 1 | RECEIVED GRANTS FROM THE TENNESSEE DEPARTMENT OF EDUCATION OF $16,825,276 AND U.S. DEPARTMENT OF EDUCATION GRANTS OF $2,817,288. |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | SCHEDULE E, PART I, LINE 3 |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | SCHEDULE E, PART I, LINE 6 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 0 |
| IRS990ScheduleJ/BoardOrCommitteeApprovalInd | 0 | X |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | 0 |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 257660 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 1 | 159095 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
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