Liabilities / Assets
34th percentile
Higher debt load relative to assets than 34% of similar nonprofits.
990 • Fiscal year 2023 • EIN 51-0065745
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
34th percentile
Higher debt load relative to assets than 34% of similar nonprofits.
Liabilities / Revenue
47th percentile
Higher debt load relative to revenue than 47% of similar nonprofits.
Net Margin
84th percentile
Higher net margin than 84% of similar nonprofits.
Top Officer Pay
57th percentile
Higher top officer pay than 57% of similar nonprofits.
Top officer pay equals 1.4% of source-year revenue.
Asset Growth
60th percentile
Faster asset growth than 60% of similar nonprofits.
Revenue Growth
77th percentile
Faster revenue growth than 77% of similar nonprofits.
Assets
Up$116,101,299
Up $9,162,483 (+8.6%) from 2022
Net Assets
Up$99,113,634
Up $8,258,672 (+9.1%) from 2022
Liabilities
Up$16,987,665
Up $903,811 (+5.6%) from 2022
Revenue
Up$39,938,027
Up $6,212,246 (+18%) from 2022
Expenses
Up$29,889,324
Up $1,101,632 (+3.8%) from 2022
Net Income
Up$10,048,703
Up $5,110,614 (+103%) from 2022
Tower hill school prepares students from diverse backgrounds for full and creative engagement with a dynamic world. Each student is provided with an educational experience that emphasizes the development of an inquisitive, discerning and critical mind; the value of being creative and aesthetically sensitive; the appreciation of physical well-being; the ability to collaborate and function as part of a team; and the growth of character.
Tower hill school is a co-educational school for students 3 years old through grade 12.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $31,942,930 | $40,277,097 | ▲ $8,334,167 |
| Land, Buildings, and Equipment, Net | $37,600,024 | $37,781,704 | ▲ $181,680 |
| Investments Other Securities | $25,656,995 | $20,238,583 | ▼ $5,418,412 |
| Cash and Non-Interest-Bearing Accounts | $5,909,871 | $9,467,305 | ▲ $3,557,434 |
| Pledges and Grants Receivable | $2,824,055 | $2,292,222 | ▼ $531,833 |
| Prepaid Expenses and Deferred Charges | $133,794 | $130,561 | ▼ $3,233 |
| Accounts Receivable | $179,294 | $102,563 | ▼ $76,731 |
| Total Assets | $106,938,816 | $116,101,299 | ▲ $9,162,483 |
| Other Assets Total | $2,691,853 | $5,811,264 | ▲ $3,119,411 |
| Liabilities | |||
| Unsecured Notes Loans Payable | $8,699,878 | $8,389,242 | ▼ $310,636 |
| Deferred Revenue | $6,669,337 | $7,066,267 | ▲ $396,930 |
| Accounts Payable and Accrued Expenses | $714,639 | $1,532,156 | ▲ $817,517 |
| Total Liabilities | $16,083,854 | $16,987,665 | ▲ $903,811 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $47,669,072 | $51,208,990 | ▲ $3,539,918 |
| Net Assets Without Donor Restrictions | $43,185,890 | $47,904,644 | ▲ $4,718,754 |
| Total Net Assets Fund Balance | $90,854,962 | $99,113,634 | ▲ $8,258,672 |
| Total Liabilities and Net Assets / Fund Balance | $106,938,816 | $116,101,299 | ▲ $9,162,483 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $32,124,062 | $27,560,889 | $59,684,951 |
| Leasehold Improvements | $701,084 | $8,688,109 | $9,389,193 |
| Equipment | $402,839 | $3,255,043 | $3,657,882 |
| Land | $3,247,658 | - | $3,247,658 |
| Other Land Buildings | $1,306,061 | - | $1,306,061 |
| Other Assets Org | $2,964,172 | - | - |
| Other Securities | $1,517,727 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2022 | $48,778,048 | $579,757 | ▲ $4,479,015 | $1,092,527 | $51,769,951 |
| 2021 | $53,726,851 | $628,479 | ▼ $3,788,464 | $943,531 | $48,778,048 |
| 2020 | $35,538,321 | $6,108,435 | ▲ $13,797,389 | $911,391 | $53,726,851 |
| 2019 | $36,846,549 | $437,137 | ▼ $103,365 | $1,049,458 | $35,538,321 |
| 2018 | $36,617,927 | $25,000 | ▲ $1,764,142 | $993,769 | $36,846,549 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Elizabeth Speers | Head of School (thru 6/30/23) | FT | $492,711 | $48,618 | $541,329 |
| Eric Norman | CFO | FT | $220,411 | $43,082 | $263,493 |
| Anthony Pisapia | Associate Head of School | FT | $206,553 | $46,708 | $253,261 |
| Kristin Mumford | Director of Admissions/advancement | FT | $183,923 | $44,498 | $228,421 |
| Lindsay Acevado | Director of College Counseling | FT | $130,358 | $15,587 | $145,945 |
| Sarah Baker | Head of School (effective 7/1/23) | FT | $115,208 | $24,321 | $139,529 |
| Karen Graham | Director of Finance and Hr | FT | $123,552 | $5,967 | $129,519 |
| Name | Title |
|---|---|
| Ben Du Pont | Chair |
| Carmen Wallace | Trustee |
| Catherine L Miller | Trustee |
| David Nowland | Trustee |
| Dr Eric Johnson | Trustee |
| Genelle Trader | Trustee |
| Gina Ward | Trustee |
| Heather Richards Evans | Trustee |
| Henry Mellon | Trustee |
| Isbella Speakman Timon | Trustee |
| J Mathieu Plumb | Trustee |
| John Gavenonis | Trustee |
| Ken Simpler | Trustee |
| Kimberly Cassidy | Trustee |
| Laird Hayward | Trustee |
| Lisa a Olson | Trustee |
| Regis De Ramel | Trustee |
| Robert V Desantis | Trustee |
| Suzanne Ashley | Trustee |
| John M Flynn | Secretary |
| Marna Whittington | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Sage Dining Services INC | Food Service | 1402 YORK ROAD, Lutherville, MD 21093 | $1,042,855 |
| First Choice Cleaning Services | Cleaning Service | 1722 NEWPORT GAP PIKE, Wilmington, DE 19808 | $359,896 |
| Wilcox Landscaping | Landscaping Services & Snow Removal | PO BOX 629, Newport, DE 19720 | $255,270 |
| Breakwater Accounting & Advisory Corp | Accounting Services | PO BOX 362, Rockland, DE 19732 | $202,240 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 21 | $328,876 | Hi/low Date of Gift |
| Other Non Cash Contri Table | 51 | $28,518 | - |
| Total Noncash Contributions | 72 | $357,394 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $16,187,153 |
| Other Expenses | $8,088,176 |
| Grants and Similar Amounts Paid | $5,613,995 |
| Total Fundraising Expense | $1,255,003 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $9,621,117 | $2,116,722 | $719,549 | $12,457,388 |
| Grants to Domestic Individuals | $5,613,995 | - | - | $5,613,995 |
| Fees for Services Other | $1,229,269 | $474,021 | $44,686 | $1,747,976 |
| Depreciation Depletion | $1,585,323 | $61,528 | $3,135 | $1,649,986 |
| Occupancy | $1,415,972 | $54,955 | $2,800 | $1,473,727 |
| Other Employee Benefits | $922,629 | $272,510 | $100,631 | $1,295,770 |
| Payroll Taxes | $643,435 | $182,596 | $43,475 | $869,506 |
| Current Officers, Directors, Trustees, and Key Employees | - | $833,976 | - | $833,976 |
| Pension Plan Contributions | $587,097 | $103,747 | $39,669 | $730,513 |
| Travel | $314,702 | $58,268 | $13,643 | $386,613 |
| Information Technology | $351,345 | $13,636 | $695 | $365,676 |
| Interest | $236,792 | $15,846 | $468 | $253,106 |
| Fees for Services Accounting | - | $251,968 | - | $251,968 |
| Other Expenses | $80,765 | $50,468 | $73,762 | $204,995 |
| Advertising | $3,910 | $15,680 | $148,688 | $168,278 |
| Fees for Services Legal | - | $68,045 | - | $68,045 |
| Total Functional Expenses | $23,568,938 | $5,065,383 | $1,255,003 | $29,889,324 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $29,889,324 |
| Total Expenses per Audited Statements | $24,307,462 |
| Expenses per Audited Statements | $24,275,329 |
| Expenses Not Reported on Financial Statements | $5,613,995 |
| Other Expense Adjustments | $5,613,995 |
| Expenses Not Reported on Form 990 | $32,133 |
| Region | Activity | Services | Offices | Employees | Spending |
|---|---|---|---|---|---|
| Caribbean | Investments | - | 0 | 0 | $6,094,031 |
| Scotland | Investments | - | 0 | 0 | $360,463 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $32,838 |
| Fundraising Direct Expenses | $32,133 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Golf Outing | $58,570 | $32,838 | $5,891 | $26,947 |
| Total Events | $58,570 | $32,838 | $32,133 | $705 |
“Form 990 is reviewed and approved by the head of school and the audit committee. Prior to filing, the final version of the form 990 is made available to the board of trustees for their review.”
“Trustees are required annually to sign conflict of interest statements and disclose any known or potential conflicts of interest in these statements and as they arise throughout the year.”
“Each year, the compensation committee of the board conducts a benchmark analysis to evaluate all components of the head of school's compensation package, including base salary, school-wide benefits, deferred compensation, other compensation, housing, remission, and vehicle usage. The benchmark group includes tower hill school and other similarly-situated schools in the us. The compensation committee documents the meeting, including a full list of those present and their independence, and the process used to conduct their review. The committee then presents their recommendation to the full board for review.”
“Governing documents, financial statements and form 990 are held with the school and may be made available upon request.”
“The audit committee is responsible for the oversight of the audit and selection of the independent accountant. This process remains unchanged from the prior year.”
“Tower hill school association's various individual endowment funds were created by donors to supplement funding in perpetuity for educational programs, school operations, scholarships, faculty compensation and forums.”
“The internal revenue service has classified the school as exempt from federal income taxes under section 501(c)(3) of the internal revenue code ("code"); as an organization, contributions to which are deductible under section 170(b) of the code; and as an organization that is not a private foundation as defined in section 509(a) of the code. Management has determined that as of june 30, 2023 and 2022, there are no uncertain positions taken or expected to be taken that would require recognition of a liability or disclosure in the financial statements. The school recognizes accrued interest and penalties associated with uncertain tax positions, if any. There were no income tax related interest and penalties recorded for either of the years ended june 30, 2023 or 2022.”
“Special event direct costs 32,133.”
“Financial assistance, remission and merit-based awards 5,613,995. Restricted contributions 1,579,669. Investment income, net of board designated appropriations 5,695,587. Employee retention credit 3,064,030.”
“Special event direct expenses 32,133.”
“Financial assistance, remission and merit-based awards 5,613,995.”
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 | 714639 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1532156 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 179294 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 102563 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TOWER HILL SCHOOL IS A CO-EDUCATIONAL SCHOOL FOR STUDENTS 3 YEARS OLD THROUGH GRADE 12. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 148688 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 15680 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 3910 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 168278 |
| IRS990/AllOtherContributionsAmt | 0 | 2711507 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | ERIC NORMAN CFO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3025101810 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1611 TOWER ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | WILMINGTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | DE |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 19806 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 5909871 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 9467305 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 833976 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 833976 |
| 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 | 1042855 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 359896 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 255270 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 202240 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1402 YORK ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1722 NEWPORT GAP PIKE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | PO BOX 629 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO BOX 362 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | LUTHERVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | WILMINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | NEWPORT |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | ROCKLAND |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | DE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | DE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | DE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 21093 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 19808 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 19720 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 19732 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | SAGE DINING SERVICES INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | FIRST CHOICE CLEANING SERVICES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | WILCOX LANDSCAPING |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | BREAKWATER ACCOUNTING & ADVISORY CORP |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | FOOD SERVICE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CLEANING SERVICE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | LANDSCAPING SERVICES & SNOW REMOVAL |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | ACCOUNTING SERVICES |
| IRS990/ContriRptFundraisingEventAmt | 0 | 25732 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 5801269 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 5613995 |
| IRS990/CYInvestmentIncomeAmt | 0 | 6691594 |
| IRS990/CYOtherExpensesAmt | 0 | 8088176 |
| IRS990/CYOtherRevenueAmt | 0 | 197369 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 27247795 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 10048703 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 16187153 |
| IRS990/CYTotalExpensesAmt | 0 | 29889324 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1255003 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 39938027 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 6669337 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 7066267 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 3135 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 61528 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1585323 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1649986 |
| IRS990/Desc | 0 | EDUCATIONAL PROGRAMS - TOWER HILL IS A CO-EDUCATIONAL INDEPENDENT SCHOOL WITH 849 STUDENTS FROM 3 YEARS OLD THROUGH GRADE 12 IN 2022-2023 (284 LOWER SCHOOL, 235 MIDDLE SCHOOL, 330 UPPER SCHOOL). THE SCHOOL PROVIDES AN ENRICHED AND CHALLENGING COLLEGE PREPARATORY PROGRAM IN WHICH EACH STUDENT'S ABILITIES AND TALENTS ARE RECOGNIZED AND RESPECTED. THE PROGRAM OFFERS A PERSONALIZED AND INNOVATIVE APPROACH, BUILT ON A STRONG TRADITIONAL FOUNDATION WITHIN A WELCOMING AND INCLUSIVE COMMUNITY. TOWER HILL GRADUATED 81 STUDENTS IN THE CLASS OF 2023. MEMBERS OF THIS CLASS ARE ATTENDING AMHERST COLLEGE, BUCKNELL UNIVERSITY, CARLETON COLLEGE, CLEMSON UNIVERSITY, COLBY COLLEGE, CORNELL UNIVERSITY, DARTMOUTH COLLEGE, DELAWARE STATE UNIVERSITY, DICKINSON COLLEGE, DUKE UNIVERSITY, ELON UNIVERSITY, EMORY UNIVERSITY, FLORIDA STATE UNIVERSITY, GEORGETOWN UNIVERSITY, GETTYSBURG COLLEGE, HAMPTON UNIVERSITY, HARVARD COLLEGE, HAVERFORD COLLEGE, JAMES MADISON UNIVERSITY, JOHNS HOPKINS UNIVERSITY, LEHIGH UNIVERSITY, LYNN UNIVERSITY, NEW YORK UNIVERSITY, NORTHEASTERN UNIVERSITY, NORTHWESTERN UNIVERSITY, PENN STATE UNIVERSITY, RICE UNIVERSITY, ROCHESTER INSTITUTE OF TECHNOLOGY, ROWAN UNIVERSITY, SAINT JOSEPH'S UNIVERSITY, SAVANNAH COLLEGE OF ART AND DESIGN, STANFORD UNIVERSITY, SWARTHMORE COLLEGE, TEMPLE UNIVERSITY, THE COLLEGE OF WILLIAM & MARY, TRINITY COLLEGE, TUFTS UNIVERSITY, TULANE UNIVERSITY, UNITED STATES COAST GUARD ACADEMY, UNIVERSITY OF CALIFORNIA, BERKELEY, UNIVERSITY OF DELAWARE, UNIVERSITY OF MIAMI, UNIVERSITY OF MICHIGAN, UNIVERSITY OF MISSISSIPPI, UNIVERSITY OF PENNSYLVANIA, UNIVERSITY OF PITTSBURGH, UNIVERSITY OF SOUTHERN CALIFORNIA, UNIVERSITY OF TENNESSEE, UNIVERSITY OF VIRGINIA, VIRGINIA TECH, WAKE FOREST UNIVERSITY, AND WEST CHESTER UNIVERSITY. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 47669072 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 51208990 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 277 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 22886140 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 251968 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 251968 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 68045 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 68045 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 44686 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 474021 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 1229269 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 1747976 |
| IRS990/ForeignActivitiesInd | 0 | 1 |
| IRS990/ForeignCountryCd | 0 | CJ |
| IRS990/ForeignCountryCd | 1 | UK |
| IRS990/ForeignFinancialAccountInd | 0 | 1 |
| 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 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 2.00 |
| 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/AverageHoursPerWeekRt | 25 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 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/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 20 | 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/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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 40038 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 30992 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 41243 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 39089 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 15587 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 5967 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 24321 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | BEN DU PONT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN M FLYNN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | MARNA WHITTINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | SUZANNE ASHLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | KIMBERLY CASSIDY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | REGIS DE RAMEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ROBERT V DESANTIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | HEATHER RICHARDS EVANS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JOHN GAVENONIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | LAIRD HAYWARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | DR ERIC JOHNSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | HENRY MELLON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | CATHERINE L MILLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | DAVID NOWLAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | LISA A OLSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | J MATHIEU PLUMB |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | KEN SIMPLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | ISBELLA SPEAKMAN TIMON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | GENELLE TRADER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | CARMEN WALLACE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | GINA WARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | ELIZABETH SPEERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | ERIC NORMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | ANTHONY PISAPIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | KRISTIN MUMFORD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | LINDSAY ACEVADO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | KAREN GRAHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | SARAH BAKER |
| 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 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 501291 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 232501 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 212018 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 189332 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 130358 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 123552 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 115208 |
| 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/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | HEAD OF SCHOOL (THRU 6/30/23) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | ASSOCIATE HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | DIRECTOR OF ADMISSIONS/ADVANCEMENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | DIRECTOR OF COLLEGE COUNSELING |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | DIR OF FINANCE AND HR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | HEAD OF SCHOOL (EFFECTIVE 7/1/23) |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1919 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 25732 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 32133 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 32838 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 4759111 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 21 |
| IRS990/GovernmentGrantsAmt | 0 | 3064030 |
| IRS990/GrantAmt | 0 | 5613995 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 5613995 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 5613995 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 1 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 10960319 |
| IRS990/GrossReceiptsAmt | 0 | 46171368 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 21 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 12 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 695 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 13636 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 351345 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 365676 |
| IRS990/InterestGrp/FundraisingAmt | 0 | 468 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 15846 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 236792 |
| IRS990/InterestGrp/TotalAmt | 0 | 253106 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1932483 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1932483 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 25656995 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 20238583 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 31942930 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 40277097 |
| IRS990/IRPDocumentCnt | 0 | 57 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 39504041 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 37600024 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 37781704 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 77285745 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 6201208 |
| 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 | TOWER HILL SCHOOL PREPARES STUDENTS FROM DIVERSE BACKGROUNDS FOR FULL AND CREATIVE ENGAGEMENT WITH A DYNAMIC WORLD. EACH STUDENT IS PROVIDED WITH AN EDUCATIONAL EXPERIENCE THAT EMPHASIZES THE DEVELOPMENT OF AN INQUISITIVE, DISCERNING AND CRITICAL MIND; THE VALUE OF BEING CREATIVE AND AESTHETICALLY SENSITIVE; THE APPRECIATION OF PHYSICAL WELL-BEING; THE ABILITY TO COLLABORATE AND FUNCTION AS PART OF A TEAM; AND THE GROWTH OF CHARACTER. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 90854962 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 99113634 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 4759111 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 4759111 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 705 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 705 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -1790031 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 43185890 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 47904644 |
| IRS990/NoncashContributionsAmt | 0 | 357394 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 2800 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 54955 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 1415972 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1473727 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
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Displayed year
2023 • Form 990Detailed filing. Detailed filing data is available for this year.