Liabilities / Assets
61st percentile
Higher debt load relative to assets than 61% of similar nonprofits.
EIN 02-0222239 • 501(c)3 • Tilton, NH
Profile
Tilton school challenges students to navigate a world marked by diversity and change. Tilton's community cultivates the curiosity, skills, knowledge, understanding, character and integrity requisite for the passionate pursuit of lifelong success and service.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
61st percentile
Higher debt load relative to assets than 61% of similar nonprofits.
Liabilities / Revenue
76th percentile
Higher debt load relative to revenue than 76% of similar nonprofits.
Net Margin
49th percentile
Higher net margin than 49% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
38th percentile
Faster asset growth than 38% of similar nonprofits.
Revenue Growth
6th percentile
Faster revenue growth than 6% of similar nonprofits.
Assets
Up$53,712,839
Up $407,933 (+0.8%) from 2023
Liabilities
Down$18,514,548
Down $1,042,253 (-5.3%) from 2023
Net Assets
Up$35,198,291
Up $1,450,186 (+4.3%) from 2023
Revenue
Up$19,349,264
Up $826,219 (+4.5%) from 2023
Expenses
Up$19,711,484
Up $1,998,700 (+11%) from 2023
Net Income
Down-$362,220
Down $1,172,481 (-145%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Tilton school challenges students to navigate a world marked by diversity and change. Tilton's community cultivates the curiosity, skills, knowledge, understanding, character and integrity requisite for the passionate pursuit of lifelong success and service.
An independent, coeducational, preparatory school serving students grades 9-12 and post-graduates.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $31,168,737 | $35,554,042 | ▲ $4,385,305 |
| Investments in Publicly Traded Securities | $13,732,416 | $15,097,361 | ▲ $1,364,945 |
| Cash and Non-Interest-Bearing Accounts | $3,159,908 | $1,630,678 | ▼ $1,529,230 |
| Savings and Temporary Cash Investments | $1,154,317 | $525,625 | ▼ $628,692 |
| Prepaid Expenses and Deferred Charges | $298,855 | $352,622 | ▲ $53,767 |
| Pledges and Grants Receivable | $2,225,049 | $316,170 | ▼ $1,908,879 |
| Investments Other Securities | $73,208 | $86,280 | ▲ $13,072 |
| Inventories for Sale or Use | $38,640 | $43,757 | ▲ $5,117 |
| Accounts Receivable | $1,364,315 | $24,709 | ▼ $1,339,606 |
| Total Assets | $53,304,906 | $53,712,839 | ▲ $407,933 |
| Other Assets Total | $89,461 | $81,595 | ▼ $7,866 |
| Liabilities | |||
| Tax Exempt Bond Liabilities | $13,859,482 | $13,557,494 | ▼ $301,988 |
| Deferred Revenue | $2,593,820 | $2,279,874 | ▼ $313,946 |
| Accounts Payable and Accrued Expenses | $1,714,799 | $1,586,609 | ▼ $128,190 |
| Other Liabilities | $1,301,371 | $827,305 | ▼ $474,066 |
| Mortgage Notes Payable Secured by Investment Property | $87,329 | $263,266 | ▲ $175,937 |
| Total Liabilities | $19,556,801 | $18,514,548 | ▼ $1,042,253 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $19,362,962 | $23,700,811 | ▲ $4,337,849 |
| Net Assets With Donor Restrictions | $14,385,143 | $11,497,480 | ▼ $2,887,663 |
| Total Net Assets Fund Balance | $33,748,105 | $35,198,291 | ▲ $1,450,186 |
| Total Liabilities and Net Assets / Fund Balance | $53,304,906 | $53,712,839 | ▲ $407,933 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $31,423,738 | $15,321,730 | $46,745,468 |
| Equipment | $618,038 | $9,426,806 | $10,044,844 |
| Land | $3,430,744 | - | $3,430,744 |
| Other Land Buildings | $81,522 | - | $81,522 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2023 | $16,107,303 | $41,752 | ▲ $1,893,624 | $839,775 | $16,800,246 |
| 2022 | $15,767,417 | $20,481 | ▲ $1,196,021 | $606,194 | $16,107,303 |
| 2021 | $17,493,711 | $7,542 | ▼ $860,814 | $606,843 | $15,767,417 |
| 2020 | $16,631,955 | $102,653 | ▲ $1,635,401 | $611,598 | $17,493,711 |
| 2019 | $17,207,540 | $31,509 | ▲ $561,818 | $858,560 | $16,631,955 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Katherine Saunders | Former Head of School | FT | $235,180 | $3,867 | $239,047 |
| Glen Waring | Director of Finance and Operations | FT | $145,776 | $3,993 | $149,769 |
| Joseph Scala | Faculty Representative | FT | $39,774 | $30,700 | $70,474 |
| Name | Title |
|---|---|
| John Shaughnessy | Chair |
| Andrea Tecce | First Vice Chair |
| J Terrill Judd | Former First Vice Chair |
| Matthew Masiello | Second Vice Chair |
| Aaleiyah Desimas | Trustee |
| Anthony Hillman | Trustee |
| David Mcelhinny | Trustee |
| Deborah Boniske | Trustee |
| Duane Lowenstein | Trustee |
| Harold Bailey Jr | Trustee |
| Jamie Rome | Trustee |
| John Morton | Trustee |
| Kristen Vaslet Kupperman | Trustee |
| Richard Grellier | Trustee |
| Robert Graham | Trustee |
| Signe Kurian | Trustee |
| Simon Abrahms | Trustee |
| Stephan Weiss | Trustee |
| William Addai | Trustee |
| Derek Krein | Head of School |
| David Gould | Secretary |
| Bernice Bradin | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Milestone Construction LLC | Construction Management And General Cont | 1 HORSESHOE POND LANE, Concord, NH 03301 | $3,495,753 |
| Sage Dining Services INC | Dining Services | 1402 YORK ROAD, Lutherville, MD 21093 | $1,042,170 |
| Aw Therrien Company INC | Roofing Contractor | 199 HAYWARD STREET, Manchester, NH 03103 | $457,483 |
| Belknap Landscape Company INC | Landscaping | 25 COUNTYR CLUB ROAD, Gilford, NH 03249 | $241,772 |
| Volker Wyrenbeck Electric Services | Electrical Services | PO BOX 10, Concord, NH 03302 | $212,238 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 1,528 | $582,611 | Fair Market Value (FMV) |
| Other Non Cash Contri Table | 3 | $395 | Fair Market Value (FMV) |
| Total Noncash Contributions | 1,531 | $583,006 | - |
| Line Item | Amount |
|---|---|
| Other Expenses | $8,868,977 |
| Salaries, Compensation, and Employee Benefits | $6,084,437 |
| Grants and Similar Amounts Paid | $4,758,070 |
| Total Fundraising Expense | $1,170,602 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $3,051,954 | $1,046,682 | $226,912 | $4,325,548 |
| Grants to Domestic Individuals | $3,718,650 | - | - | $3,718,650 |
| Fees for Services Other | $2,025,338 | $498,941 | $123,900 | $2,648,179 |
| Depreciation Depletion | $1,593,311 | $138,592 | $36,479 | $1,768,382 |
| Occupancy | $988,027 | $188,051 | $47,932 | $1,224,010 |
| Foreign Grants | $1,039,420 | - | - | $1,039,420 |
| Other Employee Benefits | $525,892 | $103,375 | $61,776 | $691,043 |
| Interest | $610,959 | $53,144 | $13,988 | $678,091 |
| Current Officers, Directors, Trustees, and Key Employees | $159,120 | $268,897 | $134,575 | $562,592 |
| Payroll Taxes | $203,632 | $53,825 | $29,551 | $287,008 |
| Insurance | $261,103 | - | - | $261,103 |
| Pension Plan Contributions | $157,137 | $43,649 | $17,460 | $218,246 |
| Other Expenses | $342,000 | - | $150,666 | $150,666 |
| All Other Expenses | $106,252 | $20,597 | $5,422 | $132,271 |
| Advertising | $125,608 | - | - | $125,608 |
| Travel | $82,031 | - | - | $82,031 |
| Fees for Services Legal | - | $79,895 | - | $79,895 |
| Office Expenses | - | $56,142 | - | $56,142 |
| Fees for Service Investment Mgmnt Fees | - | $52,433 | - | $52,433 |
| Fees for Services Accounting | - | $51,475 | - | $51,475 |
| Total Functional Expenses | $15,885,184 | $2,655,698 | $1,170,602 | $19,711,484 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $19,711,484 |
| Total Expenses per Audited Statements | $14,910,981 |
| Expenses per Audited Statements | $14,900,981 |
| Expenses Not Reported on Financial Statements | $4,810,503 |
| Other Expense Adjustments | $4,758,070 |
| Expenses Not Reported on Form 990 | $10,000 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Interest Rate Swap Contract | $614,292 |
| Present Value Obligation of Charitable Gift Annuities | $213,013 |
| Bond | Issuer | Issued | Issue Price | Purpose |
|---|---|---|---|---|
| A | New Hampshire Health and Education Facilities Authority - Series 2017a | 2017-12-01 | $12,922,014 | To refinance 2006 bond issue and for capital expenses related to buildings |
| B | New Hampshire Health and Education Facilities Authority - Series 2017b | 2017-12-01 | $2,000,000 | FOR CAPITAL EXPENSES |
| Bond | Total Proceeds | Spent | Retired | Issuance Costs |
|---|---|---|---|---|
| A | $13,676,000 | - | $1,736,210 | $262,235 |
| B | $1,667,792 | - | $66,975 | - |
“Policy: tilton school recognizes that the governance role of its board of trustees includes the annual review of form 990(return of organizations exempt from taxation). Accordingly, tilton school requires review of the form 990 by the board of trustees prior to its filing on an annual basis. Schedule b is received by the audit committee only. This committee recommends approval to the full board. Procedures: 1. Senior management of tilton school is responsible for the timely preparation of form 990. 2. The completed form 990 will be provided to the audit committee of the board of trustees sufficiently in advance of the filing deadline to enable a detailed and conscientious review by all members of the committee. All questions, concerns, etc. Of the audit committee will be addressed by the director of finance & operations and incorporated into the form 990 as appropriate. 3. All members of the board of trustees will be invited to review the completed form 990 in advance of filing deadline via the trustee portal of the school's website at www.tiltonschool.org. Should a trustee not have website access, they may request an electronic copy via email or hard copy via us mail to review. All questions, concerns, etc. Of the members of the board of trustees will be addressed by the director of finance & operations and incorporated into the form 990 as appropriate. 4. After all of the input from the board of trustees and the audit committee has been appropriately addressed, senior management of tilton school will file the final form 990 as required.”
“The board of trustees review and execute a conflict of interest policy annually. The board chair is charged with ensuring compliance.”
“The policy on the process of determining compensation of tilton school applies to the compensation of the following persons employed by tilton school: 1. Tilton school employed executive by title: head of school 2. Other officers or key employees of tilton school by title: (n/a) the process of determining compensation includes the following elements: (1) review and approval by the board of trustees as recommended by the compensation committee of the board of trustees; (2) use of industry data as to comparable compensation; (3) review and approval by an independent compensation specialist; (4) contemporaneous documentation and recordkeeping. 1. Review and approval: the compensation of the person is reviewed and approved by the board of trustees as recommended and presented by the compensation committee. Any board member with a conflict of interest with respect to the compensation arrangement is not involved in this review and approval. 2. Use of industry data as to comparable compensation: annually the compensation committee requests industry data on comparable salary that is provided by the director of finance and operations. The school participates in salary surveys of its national and local independent school associations annually in order to obtain comparable data and remain current in the industry trends. 3. Review and approval by an independent compensation specialist: the board of trustees from time-to-time may hire an independent compensation specialist to review and approve the compensation package of the chief employed executive (head of school) and other key employees when appropriate and not required annually. This review helps to ensure that appropriate comparable data is used and the written salary arrangement is properly managed by the school. 4. Contemporaneous documentation and recordkeeping: there is contemporaneous documentation and recordkeeping by the board of trustees with respect to meetings, conversations, deliberations and decisions regarding the compensation arrangement. The compensation arrangement does result in a written, formal contract signed by the chair of the board of trustees and the chief executive officer.”
“Tilton school's 990 is available on-line at www.guidestar.org. Governing documents and the conflict of interest policy are available upon request. Financial statements and the form 990 are available for inspection at the school.”
“Food services: program service expenses 1,004,273. Management and general expenses 0. Fundraising expenses 0. Total expenses 1,004,273. Athletic fields: program service expenses 41,008. Management and general expenses 0. Fundraising expenses 0. Total expenses 41,008. Grounds: program service expenses 739,113. Management and general expenses 0. Fundraising expenses 0. Total expenses 739,113. Other contracted services: program service expenses 240,944. Management and general expenses 498,941. Fundraising expenses 123,900. Total expenses 863,785.”
“Maintenance supplies: program service expenses 106,252. Management and general expenses 20,597. Fundraising expenses 5,422. Total expenses 132,271.”
“Current year decrease in csv of life insurance -7,866. Change in value of interest rate swap agreement 474,065.”
“The school's audit committee assumes responsibility for the oversight of the audit and recommends the independent auditor. The full board of trustees votes to accept the audit and the independent auditor. There have been no changes in this process from the prior year.”
“For generations, tilton school has maintained a stable endowment through the generosity of grateful alumni and alumnae, friends and benefactors that have believed in the mission of the school to advance the passionate pursuit of lifelong learning. The endowment helps sustain the school annually with a draw based on a spending policy in line with upmifa to lend support to the operating budget. In order for the endowment funds to be available for perpetuity, the funds are invested with appropriate asset allocations that are reviewed throughout the year based on clear guidelines and objectives for preservation of capital and growth for long term viability, balancing its positive impact on tilton school students today and in the future. With careful stewardship, the endowment funds are spent in accordance with donor intents and have enabled the school with assistance for a broad array of activities such as financial aid, merit scholarships, enrichment programs for faculty, continued education for faculty, theatre, arts, athletics and enhancements to buildings each year.”
“The school is exempt from federal income taxes under section 501(c)(3) of the internal revenue code. The school is also exempt from state income taxes by virtue of its ongoing exemption from federal income taxes. Accordingly, no provision for income taxes has been recorded in the accompanying financial statements. The school has adopted the provisions of fasb asc 740, accounting for uncertainty in income taxes. Accordingly, management has evaluated the school's tax positions and concluded the school had maintained its tax-exempt status, does not have any significant unrelated business income and had taken no uncertain tax positions that require adjustment or disclosure in the financial statements. With few exceptions, the school is no longer subject to income tax examinations by the u.s. Federal or state tax authorities for tax years before 2021.”
“Change in cash surrender value of life insurance -7,866. Change in value of interest rate swap agreement 474,065.”
“Financial aid to students (tuition is shown net on financial report) 4,758,070.”
“Financial aid (net with tuition on financial report) 4,758,070.”
“The costs basis and accumulated depreciation for buildings includes both buildings and building improvements.”
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 | 1714799 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1586609 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1364315 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 24709 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | AN INDEPENDENT, COEDUCATIONAL, PREPARATORY SCHOOL SERVING STUDENTS GRADES 9-12 AND POST-GRADUATES. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 125608 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 125608 |
| IRS990/AllOtherContributionsAmt | 0 | 6500176 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 5422 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 20597 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 106252 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 132271 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | GLEN WARING |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6032861722 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | TILTON SCHOOL 30 SCHOOL STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | TILTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 03276 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 3159908 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1630678 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 134575 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 268897 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 159120 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 562592 |
| 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 | 3495753 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 1042170 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 457483 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 241772 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 212238 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1 HORSESHOE POND LANE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1402 YORK ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 199 HAYWARD STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 25 COUNTYR CLUB ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | PO BOX 10 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | CONCORD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | LUTHERVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | MANCHESTER |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | GILFORD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | CONCORD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | NH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | NH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | NH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 03301 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 21093 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 03103 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 03249 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 03302 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | MILESTONE CONSTRUCTION LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | SAGE DINING SERVICES INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | AW THERRIEN COMPANY INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | BELKNAP LANDSCAPE COMPANY INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | VOLKER WYRENBECK ELECTRIC SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CONSTRUCTION MANAGEMENT AND GENERAL CONT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | DINING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | ROOFING CONTRACTOR |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | LANDSCAPING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | ELECTRICAL SERVICES |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 6500176 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 4758070 |
| IRS990/CYInvestmentIncomeAmt | 0 | 699474 |
| IRS990/CYOtherExpensesAmt | 0 | 8868977 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 12149614 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -362220 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 6084437 |
| IRS990/CYTotalExpensesAmt | 0 | 19711484 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1170602 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 19349264 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 2593820 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 2279874 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 36479 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 138592 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1593311 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1768382 |
| IRS990/Desc | 0 | TILTON SCHOOL IS AN INDEPENDENT, COEDUCATIONAL, COLLEGE PREPARATORY SCHOOL SERVING STUDENTS FROM 9TH THROUGH 12TH GRADE AND POST-GRADUATES. TILTON'S STUDENT BODY OF 186 CONSISTS OF 47 DAY STUDENTS AND 139 BOARDING STUDENTS FROM 20 STATES AND 15 COUNTRIES. ALTHOUGH THE TILTON EXPERIENCE IS DIFFERENT FOR EVERY STUDENT, IT INSPIRES AND ENCOURAGES ALL STUDENTS TO TRY NEW THINGS, LEARN NEW SKILLS, AND SET NEW GOALS.STUDENTS AT TILTON ARE CHALLENGED TO EMBRACE AND NAVIGATE A WORLD MARKED BY DIVERSITY AND CHANGE. THROUGH THE QUALITY OF HUMAN RELATIONSHIPS, THE TILTON COMMUNITY CULTIVATES IN ITS STUDENTS THE CURIOSITY, SKILLS, KNOWLEDGE, UNDERSTANDING, CHARACTER AND INTEGRITY REQUISITE FOR THE PURSUIT OF LIFELONG PERSONAL SUCCESS AND SERVICE. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 14385143 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 11497480 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 107 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 15885184 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 51475 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 51475 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 79895 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 79895 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 123900 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 498941 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 2025338 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 2648179 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 52433 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 52433 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 1039420 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 1039420 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 0 | 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/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | 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/OfficerInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 30700 |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 3993 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 3867 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DEREK KREIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOSEPH SCALA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOHN SHAUGHNESSY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ANDREA TECCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | MATTHEW MASIELLO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | BERNICE BRADIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DAVID GOULD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | HAROLD BAILEY JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KRISTEN VASLET KUPPERMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | DUANE LOWENSTEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | SIGNE KURIAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | WILLIAM ADDAI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | DEBORAH BONISKE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | ANTHONY HILLMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | SIMON ABRAHMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | ROBERT GRAHAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | RICHARD GRELLIER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | STEPHAN WEISS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | J TERRILL JUDD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | JOHN MORTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | JAMIE ROME |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | AALEIYAH DESIMAS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | DAVID MCELHINNY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | GLEN WARING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | KATHERINE SAUNDERS |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 39774 |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 145776 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 235180 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | FACULTY REPRESENTATIVE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | FIRST VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | SECOND VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | SECRETARY |
| 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 | FORMER FIRST VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | DIRECTOR OF FINANCE AND OPERATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | FORMER HEAD OF SCHOOL |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1845 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 1 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 18000 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 109166 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 18 |
| IRS990/GrantAmt | 0 | 4758070 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 3718650 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 3718650 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 18000 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 691777 |
| IRS990/GrossReceiptsAmt | 0 | 19931875 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 16 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 261103 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 261103 |
| IRS990/InterestGrp/FundraisingAmt | 0 | 13988 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 53144 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 610959 |
| IRS990/InterestGrp/TotalAmt | 0 | 678091 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 38640 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 43757 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 572308 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 572308 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 73208 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 86280 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 13732416 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 15097361 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 45 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 24748536 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 31168737 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 35554042 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 60302578 |
| IRS990/LegalDomicileStateCd | 0 | NH |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 582611 |
| 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 | TILTON SCHOOL CHALLENGES STUDENTS TO NAVIGATE A WORLD MARKED BY DIVERSITY AND CHANGE. TILTON'S COMMUNITY CULTIVATES THE CURIOSITY, SKILLS, KNOWLEDGE, UNDERSTANDING, CHARACTER AND INTEGRITY REQUISITE FOR THE PASSIONATE PURSUIT OF LIFELONG SUCCESS AND SERVICE. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 1 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 87329 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 263266 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 33748105 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 35198291 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 127166 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 127166 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 1346207 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 19362962 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 23700811 |
| IRS990/NoncashContributionsAmt | 0 | 583006 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 47932 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 188051 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 988027 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1224010 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 56142 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 56142 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OnBehalfOfIssuerInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
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