Liabilities / Assets
64th percentile
Higher debt load relative to assets than 64% of similar nonprofits.
EIN 04-2105781 • 501(c)3 • Braintree, MA
Profile
The mission and program of thayer academy is to inspire a diverse community of students in grades 6 through 12 to moral, intellectual, aesthetic and physical excellence so that each may rise to honorable achievement and contribute to the common good
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
64th percentile
Higher debt load relative to assets than 64% of similar nonprofits.
Liabilities / Revenue
79th percentile
Higher debt load relative to revenue than 79% of similar nonprofits.
Net Margin
27th percentile
Higher net margin than 27% of similar nonprofits.
Top Officer Pay
71st percentile
Higher top officer pay than 71% of similar nonprofits.
Top officer pay equals 1.5% of source-year revenue.
Asset Growth
33rd percentile
Faster asset growth than 33% of similar nonprofits.
Revenue Growth
50th percentile
Faster revenue growth than 50% of similar nonprofits.
Assets
Up$182,139,533
Up $4,086,042 (+2.3%) from 2023
Liabilities
Down$76,414,627
Down $1,875,048 (-2.4%) from 2023
Net Assets
Up$105,724,906
Up $5,961,090 (+6.0%) from 2023
Revenue
Up$50,916,516
Up $3,851,537 (+8.2%) from 2023
Expenses
Up$51,765,467
Up $3,609,117 (+7.5%) from 2023
Net Income
Up-$848,951
Up $242,420 (+22%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
The mission and program of thayer academy is to inspire a diverse community of students in grades 5 through 12 to moral, intellectual, aesthetic and physical excellence so that each may rise to honorable achievement and contribute to the common good.
College preparatory educational institution for grades 5 through 12.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $78,599,206 | $77,048,907 | ▼ $1,550,299 |
| Investments Other Securities | $56,848,970 | $58,489,447 | ▲ $1,640,477 |
| Accounts Receivable | $23,197,562 | $24,238,227 | ▲ $1,040,665 |
| Savings and Temporary Cash Investments | $9,834,826 | $7,412,798 | ▼ $2,422,028 |
| Investments in Publicly Traded Securities | - | $3,987,002 | - |
| Other Notes and Loans Receivable, Net | $2,955,888 | $3,000,272 | ▲ $44,384 |
| Pledges and Grants Receivable | $2,303,446 | $2,925,854 | ▲ $622,408 |
| Prepaid Expenses and Deferred Charges | $778,291 | $738,178 | ▼ $40,113 |
| Inventories for Sale or Use | $82,242 | $48,329 | ▼ $33,913 |
| Cash and Non-Interest-Bearing Accounts | $1,000 | $1,000 | → $0 |
| Total Assets | $178,053,491 | $182,139,533 | ▲ $4,086,042 |
| Other Assets Total | $3,452,060 | $4,249,519 | ▲ $797,459 |
| Liabilities | |||
| Deferred Revenue | $35,063,965 | $37,240,279 | ▲ $2,176,314 |
| Tax Exempt Bond Liabilities | $38,555,270 | $36,190,527 | ▼ $2,364,743 |
| Accounts Payable and Accrued Expenses | $4,358,372 | $2,860,659 | ▼ $1,497,713 |
| Other Liabilities | $312,068 | $123,162 | ▼ $188,906 |
| Total Liabilities | $78,289,675 | $76,414,627 | ▼ $1,875,048 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $61,506,931 | $64,324,616 | ▲ $2,817,685 |
| Net Assets With Donor Restrictions | $38,256,885 | $41,400,290 | ▲ $3,143,405 |
| Total Net Assets Fund Balance | $99,763,816 | $105,724,906 | ▲ $5,961,090 |
| Total Liabilities and Net Assets / Fund Balance | $178,053,491 | $182,139,533 | ▲ $4,086,042 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $40,416,724 | $57,205,920 | $97,622,644 |
| Land | $27,454,110 | - | $27,454,110 |
| Equipment | $8,460,825 | $7,131,330 | $15,592,155 |
| Other Land Buildings | $717,248 | - | $717,248 |
| Other Securities | $6,498,149 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2023 | $55,832,290 | $300,115 | ▲ $6,344,045 | $2,624,423 | $59,852,027 |
| 2022 | $54,043,685 | $265,518 | ▲ $4,084,739 | $1,272,713 | $55,832,290 |
| 2021 | $60,299,491 | $1,282,721 | ▼ $5,372,101 | $980,549 | $54,043,685 |
| 2020 | $47,400,247 | $2,069,047 | ▲ $12,745,337 | $1,100,295 | $60,299,491 |
| 2019 | $48,404,430 | $72,045 | ▲ $830,587 | $1,553,505 | $47,400,247 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Christopher Fortunato | Head of School | FT | $486,387 | $279,681 | $766,068 |
| Melissa L Forger | Director of Development | FT | $215,940 | $186,676 | $402,616 |
| Julaine Mcinnis | CFO & Assistant Treasurer | FT | $262,696 | $55,847 | $318,543 |
| Jed Wartman | Assistant Head of School | FT | $161,398 | $141,661 | $303,059 |
| Alison Terry | Chief of Strategic Marketing and Communications | FT | $203,085 | $33,361 | $236,446 |
| Alison Terry | Chief of Strategic Marketing and COM | - | $176,893 | $59,553 | $236,446 |
| Roberta Moran | Athletics Director | FT | $150,517 | $59,159 | $209,676 |
| Name | Title |
|---|---|
| James Coughlin | Chair |
| Michael Joe | Vice Chair |
| Christopher Sullivan | Trustee |
| Danya Abrams | Trustee |
| Donovan Brown | Trustee |
| Elaine Deluca | Trustee |
| Gregory Lally | Trustee |
| Guy Daniello | Trustee |
| James Dowden | Trustee |
| Jeanine Murphy | Trustee |
| Jennifer Havlicek | Trustee |
| Joseph Farmer | Trustee |
| Michael Curry | Trustee |
| Rachel Card | Trustee |
| Robert Demarco | Trustee |
| Tavares Brewington | Trustee |
| Teresa Hsiao | Trustee |
| Leigh King | Secretary |
| Michael Mcnally | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| C & W Facility Services INC | Facilities Maintenance | 4002 SOLUTIONS CENTER, Chicago, IL 60677-4000 | $1,696,637 |
| Bowdoin Construction Corp | Construction | 220-1 RESERVOIR STREET, Needham Heights, MA 02494 | $1,445,087 |
| Page Building Construction Corp | Construction | 135 OLD PAGE STREET SUITE 4, Stoughton, MA 02072-1111 | $1,138,504 |
| Nelm Corp | Construction | 135 INDUSTRIAL WAY, Rockland, MA 02370 | $849,547 |
| Lawless Restoration And Waterproofing L | Construction | 3 BESSOM STREET SUITE 112, Marblehead, MA 01945 | $519,865 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 1 | $40,383 | Fair Value |
| Total Noncash Contributions | 1 | $40,383 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $25,685,733 |
| Other Expenses | $17,069,757 |
| Grants and Similar Amounts Paid | $9,009,977 |
| Total Fundraising Expense | $2,055,850 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $13,785,247 | $2,331,906 | $1,183,542 | $17,300,695 |
| Grants to Domestic Individuals | $9,009,977 | - | - | $9,009,977 |
| Depreciation Depletion | $4,140,252 | $86,255 | $86,255 | $4,312,762 |
| Occupancy | $4,116,598 | $85,762 | $85,762 | $4,288,122 |
| Other Employee Benefits | $3,907,119 | $70,478 | $116,872 | $4,094,469 |
| All Other Expenses | $860,264 | $1,076,894 | $82,799 | $2,019,957 |
| Pension Plan Contributions | $1,005,636 | $488,887 | $94,487 | $1,589,010 |
| Payroll Taxes | $923,422 | $417,320 | $67,455 | $1,408,197 |
| Interest | $1,380,779 | - | - | $1,380,779 |
| Current Officers, Directors, Trustees, and Key Employees | $313,898 | $822,515 | $156,949 | $1,293,362 |
| Information Technology | $410,091 | $612,371 | - | $1,022,462 |
| Other Expenses | $545,291 | $3,487 | $3,487 | $552,265 |
| Fees for Services Legal | - | $416,293 | - | $416,293 |
| Fees for Services Other | $131,106 | $200,464 | $68,547 | $400,117 |
| Fees for Services Accounting | - | $108,220 | - | $108,220 |
| Conferences and Meetings | $52,346 | $33,692 | $8,599 | $94,637 |
| Travel | - | $762 | $28,012 | $28,774 |
| Fees for Service Investment Mgmnt Fees | - | $22,426 | - | $22,426 |
| Total Functional Expenses | $42,742,644 | $6,966,973 | $2,055,850 | $51,765,467 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $51,765,467 |
| Total Expenses per Audited Statements | $42,526,970 |
| Expenses per Audited Statements | $42,407,894 |
| Expenses Not Reported on Financial Statements | $9,357,573 |
| Other Expense Adjustments | $9,335,147 |
| Expenses Not Reported on Form 990 | $119,076 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $86,275 |
| Fundraising Gross Income | $74,759 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Golf Tournament | $105,452 | $52,415 | $7,065 | $45,350 |
| Reunion | $22,344 | $22,344 | $38,483 | $-16,139 |
| Total Events | $127,796 | $74,759 | $86,275 | $-11,516 |
| Liability | Amount |
|---|---|
| Other Liabilities | $123,162 |
| Bond | Issuer | Issued | Issue Price | Purpose |
|---|---|---|---|---|
| A | Massachusetts Development Finance Agency | 2020-04-09 | $40,189,197 | Refinancing of long term debt |
| Bond | Total Proceeds | Spent | Retired | Issuance Costs |
|---|---|---|---|---|
| A | $40,189,197 | $34,742,371 | $3,454,252 | $494,419 |
“There shall be an executive committee of the board of trustees. When it is not practicable for the board of trustees to meet, the executive committee shall have and may exercise all of the powers and authority of the board.”
“The form 990 is prepared by tax advisors of a national accounting firm with information provided by the controller and reviewed by the assistant treasurer. Following the review, a full version of the final draft form 990 is provided to the finance committee chair for review. The remainder of the trustees are notififed that a public disclosure version of the final draft for 990 is available on the board of trustees section of the academy's website for their review in advance of the board meeting at which questions may be asked. They are asked to specifically approve the filing of the final version with the irs.”
“Trustees and officers are required annually to complete an "annual disclosure of affiliations and conflict of interest" form. The completed forms are given to the assistant treasurer for review.”
“Compensation of the academy's head of school is set by a vote of the full board of trustees (in executive session). Acting on the recommendation of a specifically tasked sub-committee, considering a performance review/evaluation. The sub-committee is composed of the standing committee chairs, the clerk, and the board chair. The sub-committee meets as necessary in order to prepare the recommendation. Comparability data reviewed by the sub-committee includes regular annual salary, deferred compensation amounts and the value of other benefits provided. This is provided by the academy's chief financial and operating officer, who obtains it from a database maintained by the national association of independent schools (nais). It is provided in statistical format without identifying amounts with specific schools, showing minimum, maximum, mean, median, and quartile figures for 14 schools that are considered a meaningful peer group for thayer academy. The same group is used consistently from year to year. Compensation of other officers or key employees is set by the head of school. In doing so the head of school is guided by the peer group comparitative data provided by the assistant treasurer. This process was last followed in 2024.”
“The organization makes its governing documents, conflict of interest policy, form 990 and financial statements available to the public upon request for the same period of disclosure as set forth in section 6104(d). In addition documents are available via guidestar and the massachusetts attorney general's website.”
“Change interest swap obligations 542,144. Beneficial interest in perpetual trust 215,263.”
“The organization has not changed its oversight policy or selection policy during the tax year.”
“The academy's investment policy states two primary functions for the endowment. The first is to provide long-term security and financial stability for the academy. In fulfilling this mission, the board of trustees of the academy seeks to preserve the purchasing power of the endowment in perpetuity, thereby sustaining its ability to support future programs. The second function of the endowment is to maximize, within an appropriate level of volatility and risk, the total rate of return earned by the endowment. The academy intends to use its endowment funds for the operating activities of the academy.”
“Change interest swap obligations 542,144. Beneficial interest in perpetual trust 215,263. Financial aid -9,009,977.”
“Cost of goods sold -32,801. Fundraising event expenses -86,275. Trip expenses 325,170.”
“Fundraising event expenses 86,275. Cost of goods sold 32,801.”
“Financial aid 9,009,977. Trip expenses 325,170.”
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 | 4358372 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2860659 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 23197562 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 24238227 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | COLLEGE PREPARATORY EDUCATIONAL INSTITUTION FOR GRADES 5 THROUGH 12. |
| IRS990/AllOtherContributionsAmt | 0 | 4171816 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 82799 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1076894 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 860264 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 2019957 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE ORGANIZATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7813800503 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 745 WASHINGTON STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | BRAINTREE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02184 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 1000 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 1000 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 23 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 156949 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 822515 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 313898 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 1293362 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 8599 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 33692 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 52346 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 94637 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 1696637 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 1445087 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 1138504 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 849547 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 519865 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 4002 SOLUTIONS CENTER |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 220-1 RESERVOIR STREET |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 135 OLD PAGE STREET SUITE 4 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 135 INDUSTRIAL WAY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | 3 BESSOM STREET SUITE 112 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | CHICAGO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | NEEDHAM HEIGHTS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | STOUGHTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | ROCKLAND |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | MARBLEHEAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 606774000 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 02494 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 020721111 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 02370 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 01945 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | C & W FACILITY SERVICES INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | BOWDOIN CONSTRUCTION CORP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | PAGE BUILDING CONSTRUCTION CORP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | NELM CORP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | LAWLESS RESTORATION AND WATERPROOFING L |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | FACILITIES MAINTENANCE |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CONSTRUCTION |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | CONSTRUCTION |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | CONSTRUCTION |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | CONSTRUCTION |
| IRS990/ContriRptFundraisingEventAmt | 0 | 53037 |
| IRS990/CostOfGoodsSoldAmt | 0 | 32801 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 4224853 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 9009977 |
| IRS990/CYInvestmentIncomeAmt | 0 | 869758 |
| IRS990/CYOtherExpensesAmt | 0 | 17069757 |
| IRS990/CYOtherRevenueAmt | 0 | 641083 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 45180822 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -848951 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 25685733 |
| IRS990/CYTotalExpensesAmt | 0 | 51765467 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 2055850 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 50916516 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 35063965 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 37240279 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 86255 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 86255 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 4140252 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 4312762 |
| IRS990/Desc | 0 | COLLEGE PREPARATORY EDUCATIONAL INSTITUTION FOR GRADES 5 THROUGH 12. THE ACADEMY HAD 734 STUDENTS ENROLLED THIS YEAR. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | THAYER ACADEMY |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 38256885 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 41400290 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 1 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 472 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 40696275 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 108220 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 108220 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 416293 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 416293 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 68547 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 200464 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 131106 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 400117 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 22426 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 22426 |
| 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 | 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 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/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/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/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 | 258724 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 52799 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 186316 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 33361 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 43127 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 141301 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JAMES COUGHLIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | MICHAEL JOE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | LEIGH KING |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MICHAEL MCNALLY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DANYA ABRAMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | TAVARES BREWINGTON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | DONOVAN BROWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | RACHEL CARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MICHAEL CURRY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | GUY DANIELLO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ELAINE DELUCA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ROBERT DEMARCO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | JAMES DOWDEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | JOSEPH FARMER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JENNIFER HAVLICEK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | TERESA HSIAO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | GREGORY LALLY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JEANINE MURPHY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | CHRISTOPHER SULLIVAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | CHRISTOPHER FORTUNATO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | JULAINE MCINNIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | MELISSA L FORGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | ALISON TERRY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | ROBERTA MORAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | JED WARTMAN |
| 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 | 507344 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 265744 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 216300 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 203085 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 166549 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 161758 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER |
| 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 | HEAD OF SCHOOL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | CFO & ASSISTANT TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | DIRECTOR OF DEVELOPMENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | CHIEF OF STRATEGIC MARKETING AND COMMUNICATIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | ATHLETICS DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | ASSISTANT HEAD OF SCHOOL |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1879 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 53037 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 86275 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 74759 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 3800 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 691794 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 19 |
| IRS990/GrantAmt | 0 | 9009977 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 9009977 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 9009977 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 3800 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 21669302 |
| IRS990/GrossReceiptsAmt | 0 | 72169884 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 403169 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 18122 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 19 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 48 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 612371 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 410091 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 1022462 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 1380779 |
| IRS990/InterestGrp/TotalAmt | 0 | 1380779 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 82242 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 48329 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 210861 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 174164 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | -36697 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 56848970 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 58489447 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 3987002 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 142 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 64337250 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 78599206 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 77048907 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 141386157 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 0 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 20977508 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 156784 |
| 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/MiscellaneousRevenueGrp/ExclusionAmt | 0 | 55353 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 55353 |
| IRS990/MissionDesc | 0 | THE MISSION AND PROGRAM OF THAYER ACADEMY IS TO INSPIRE A DIVERSE COMMUNITY OF STUDENTS IN GRADES 5 THROUGH 12 TO MORAL, INTELLECTUAL, AESTHETIC AND PHYSICAL EXCELLENCE SO THAT EACH MAY RISE TO HONORABLE ACHIEVEMENT AND CONTRIBUTE TO THE COMMON GOOD. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 99763816 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 105724906 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 687799 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 695594 |
| IRS990/NetGainOrLossInvestmentsGrp/UnrelatedBusinessRevenueAmt | 0 | 7795 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -11516 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -11516 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | -14679 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | -14679 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 246385 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 246385 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 6052634 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 61506931 |
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