Liabilities / Assets
40th percentile
Higher debt load relative to assets than 40% of similar nonprofits.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
40th percentile
Higher debt load relative to assets than 40% of similar nonprofits.
Liabilities / Revenue
68th percentile
Higher debt load relative to revenue than 68% of similar nonprofits.
Net Margin
88th percentile
Higher net margin than 88% of similar nonprofits.
Top Officer Pay
49th percentile
Higher top officer pay than 49% of similar nonprofits.
Top officer pay equals 1.5% of source-year revenue.
Asset Growth
70th percentile
Faster asset growth than 70% of similar nonprofits.
Revenue Growth
87th percentile
Faster revenue growth than 87% of similar nonprofits.
Assets
Flat$114,048,858
Flat from 2016
Net Assets
Flat$88,488,281
Flat from 2016
Liabilities
Flat$25,560,577
Flat from 2016
Revenue
Flat$30,687,762
Flat from 2016
Expenses
Flat$22,164,921
Flat from 2016
Net Income
Flat$8,522,841
Flat from 2016
In a community where every student is known and needed, millbrook prepares its students for college and lives of meaning and consequence by instilling the values of respect, integrity, service, stewardship, and curiosity.
MILLBROOK SCHOOL IS a COEDUCATIONAL, COLLEGE PREPARATORY School which offers college preparatory education to its boarding and day students.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $55,302,933 | $63,486,201 | ▲ $8,183,268 |
| Investments in Publicly Traded Securities | $25,255,123 | $24,840,444 | ▼ $414,679 |
| Cash and Non-Interest-Bearing Accounts | $10,374,871 | $9,505,218 | ▼ $869,653 |
| Pledges and Grants Receivable | $7,297,003 | $8,203,512 | ▲ $906,509 |
| Investments Other Securities | $7,266,431 | $6,845,790 | ▼ $420,641 |
| Prepaid Expenses and Deferred Charges | $299,129 | $324,819 | ▲ $25,690 |
| Savings and Temporary Cash Investments | $390,335 | $179,534 | ▼ $210,801 |
| Inventories for Sale or Use | $157,150 | $152,513 | ▼ $4,637 |
| Total Assets | $106,846,227 | $114,048,858 | ▲ $7,202,631 |
| Other Assets Total | $503,252 | $510,827 | ▲ $7,575 |
| Liabilities | |||
| Tax Exempt Bond Liabilities | $15,683,549 | $17,119,439 | ▲ $1,435,890 |
| Deferred Revenue | $6,240,080 | $6,841,201 | ▲ $601,121 |
| Accounts Payable and Accrued Expenses | $1,530,441 | $1,526,422 | ▼ $4,019 |
| Other Liabilities | $79,159 | $73,515 | ▼ $5,644 |
| Mortgage Notes Payable Secured by Investment Property | $11,385 | $0 | ▼ $11,385 |
| Total Liabilities | $23,544,614 | $25,560,577 | ▲ $2,015,963 |
| Net Assets / Fund Balance | |||
| Unrestricted Net Assets | $59,338,687 | $62,899,400 | ▲ $3,560,713 |
| Permanently Rstr Net Assets | $14,781,978 | $15,149,500 | ▲ $367,522 |
| Temporarily Rstr Net Assets | $9,180,948 | $10,439,381 | ▲ $1,258,433 |
| Total Net Assets Fund Balance | $83,301,613 | $88,488,281 | ▲ $5,186,668 |
| Total Liabilities and Net Assets / Fund Balance | $106,846,227 | $114,048,858 | ▲ $7,202,631 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $50,471,943 | $25,762,950 | $76,234,893 |
| Other Land Buildings | $11,077,227 | $612,020 | $11,689,247 |
| Equipment | $737,514 | $3,308,938 | $4,046,452 |
| Land | $1,199,517 | - | $1,199,517 |
| Other Securities | $460,659 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2015 | $32,479,197 | $3,363,944 | ▼ $979,351 | $1,248,082 | $33,615,708 |
| 2014 | $32,523,146 | $1,462,265 | ▼ $330,068 | $1,176,146 | $32,479,197 |
| 2013 | $26,997,739 | $2,940,550 | ▲ $3,609,988 | $1,025,131 | $32,523,146 |
| 2012 | $25,278,635 | $1,103,570 | ▲ $2,297,327 | $1,681,793 | $26,997,739 |
| 2011 | $25,016,738 | $1,065,982 | ▲ $206,348 | $1,010,433 | $25,278,635 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| dreW J CASERTANO | headmaster | FT | $328,971 | $138,229 | $467,200 |
| robert w Connolly | chief financial officer | FT | $173,590 | $49,861 | $223,451 |
| robert anthony | assistant to the headmaster for external affairs | FT | $171,308 | $41,488 | $212,796 |
| robert anthony | assistant to the headmaster for exte | - | $171,308 | $41,488 | $212,796 |
| jon downs | director of admissions | FT | $145,498 | $52,751 | $198,249 |
| nancy stahl | director of development | FT | $161,138 | $26,280 | $187,418 |
| elizabeth duhoski | assistant to the headmaster, Dean of Students | FT | $107,288 | $33,867 | $141,155 |
| Name | Title |
|---|---|
| william menard | chairman |
| paul solomon | vice chairman |
| robert w hALLETT | outgoing trustee |
| william r hettinger | outgoing trustee |
| Gilbert P Schafer Iii | trUSTEE |
| anne b putnam | Trustee |
| caroline a wamsler | Trustee |
| charlotTE TRACY | Trustee |
| christINA E LANG-ASSAEL | trustEE |
| christopHER HOLBROOK | truSTEE |
| franCISCO L BORGES | tRUSTEE |
| george tWhalen III | Trustee |
| gordon s pennoyer | Trustee |
| kathlEEN DILL | truSTEE |
| lisa selz | tRUSTEE |
| morgan conrad | Trustee |
| robert s koenigsberger | trustee |
| theodore karatz | trusTEE |
| tracy merrill | Trustee |
| trevor COLHOUN | trustEE |
| peter R CHAPMAN | secretary |
| richard stuckey | treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Kirchhoff - Consigli Construction Manage | construction services | 199 WEST ROAD SUITE 100, Pleasant Valley, NY 12569 | $3,704,488 |
| Aramark Corporation | Food Service | PO BOX 198532, Atlanta, GA 30384-8532 | $1,255,661 |
| voith & mactavish | architectural services | 2401 walnut street 6th floor, philadelphia, PA 19103 | $692,370 |
| T & M Protection Resources LLC | investigatioN services | 230 PARK AVE, new york, NY 10169 | $167,765 |
| Blue Dragon Connections LLC | Telephone/communication/construction Ins | PO BOX 322, Stormville, NY 12582 | $131,570 |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 11 | $282,246 | Fair Market Value |
| Other Non Cash Contri Table | 31 | $23,456 | Fair Market Value |
| Total Noncash Contributions | 42 | $305,702 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $9,949,469 |
| Other Expenses | $8,876,778 |
| Grants and Similar Amounts Paid | $3,282,233 |
| Total Fundraising Expense | $1,735,911 |
| Professional Fundraising Fees | $56,441 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $6,001,743 | $321,860 | $720,681 | $7,044,284 |
| Grants to Domestic Individuals | $3,282,233 | - | - | $3,282,233 |
| Depreciation Depletion | $1,655,921 | $591,400 | $118,280 | $2,365,601 |
| Other Employee Benefits | $1,154,468 | $81,045 | $119,733 | $1,355,246 |
| All Other Expenses | $707,997 | $536,642 | $46,152 | $1,290,791 |
| Current Officers, Directors, Trustees, and Key Employees | - | $403,842 | $208,833 | $612,675 |
| Occupancy | $435,272 | $97,936 | $10,882 | $544,090 |
| Payroll Taxes | $430,570 | $12,137 | $86,158 | $528,865 |
| Interest | $355,698 | $88,924 | - | $444,622 |
| Pension Plan Contributions | $356,196 | $4,631 | $47,572 | $408,399 |
| Other Expenses | $885,020 | $71,849 | $287,397 | $359,246 |
| Insurance | $316,560 | $35,173 | - | $351,733 |
| Fees for Services Legal | - | $341,036 | - | $341,036 |
| Office Expenses | $48,995 | $85,553 | $6,459 | $141,007 |
| Fees for Services Accounting | - | $57,350 | - | $57,350 |
| Travel | $50,939 | $5,660 | - | $56,599 |
| Fees for Services Professional Fundraising | - | - | $56,441 | $56,441 |
| Fees for Services Other | $8,260 | $8,260 | - | $16,520 |
| Fees for Service Investment Mgmnt Fees | - | $8,913 | - | $8,913 |
| Total Functional Expenses | $17,613,046 | $2,815,964 | $1,735,911 | $22,164,921 |
| Line Item | Amount |
|---|---|
| Total Expenses per Form 990 | $22,164,921 |
| Total Expenses per Audited Statements | $18,927,673 |
| Expenses per Audited Statements | $18,672,688 |
| Expenses Not Reported on Financial Statements | $3,492,233 |
| Other Expense Adjustments | $3,492,233 |
| Expenses Not Reported on Form 990 | $254,985 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $56,441 |
| Interested Party | Relationship | Description | Shared Revenue | Amount |
|---|---|---|---|---|
| Linda Casertano | Spouse of the Headmaster | Associate Director of Admissions and Is the Director of Financial Aid. | No | $92,473 |
| Virginia Connolly | Spouse of the CFO | human resources; assistance to development office | No | $65,115 |
| Liability | Amount |
|---|---|
| Student deposits | $73,515 |
| Bond | Issuer | Issued | Issue Price | Purpose |
|---|---|---|---|---|
| A | Dutchess County Local Development Corporation Series 2013a | 2013-08-29 | $12,560,000 | Construction of new girls dormitory, facilities building, dining hall. |
| B | Dutchess County Local Development Corporation Series 2013b | 2013-08-29 | $10,440,000 | Construction of projects and refunding series 2008 bonds and loc. |
| Bond | Total Proceeds | Spent | Retired | Issuance Costs |
|---|---|---|---|---|
| B | $10,016,000 | - | - | - |
| A | $7,487,024 | $10,015,106 | $424,000 | $424,894 |
“The board has created various committees to perform certain functions on behalf of the board. However, the committees' actions are reviewed and ratified by the board of trustees.”
“MEMBERS OF THE AUDIT COMMITTEE AND THE HEADMASTER REVIEW FORM 990 AND APPROVE IT FOR FILING. the Form 990, except for Schedule B, is then provided to the full board prior to filing with the Internal Revenue Service.”
“Each year the School sends to each officer, trustee, and key employee a questionnaire on any conflicts of interest. All other employees are made aware of the policy, and encouraged to disclose any conflicts.”
“Compensation for the headmaster and key employees is approved by the board of trustees. It is generally based on a review of compensation packages offered by similar schools in the area.”
“The organization's governing documents, conflict of interest policy, and financial statements are available upon request.”
“change in value of charitable trust -265. Change in Cash Surrender Value of Life Insurance 7,004. uncollectible pledges -1,020,158.”
“THERE HAVE BEEN NO CHANGES MADE TO THE ORGANIZATION'S OVERSIGHT OR SELECTION PROCESSes DURING THE TAX YEAR.”
“The School has a collection of artwork, recorded at $254,308, which is on public display throughout its campus buildings. The School follows a policy of capitalizing the collection of artwork in its financial statements. Accordingly, collection items are recognized as assets, whether they are purchased or received as a contribution.”
“THE ART COLLECTIONS GENERALLY REPRESENTS PAINTINGS, pictures, and sculptures THAT HAVE BEEN RECEIVED AS DONATIONS. THEY ARE DISPLAYED AT VARIOUS LOCATIONS THROUGHOUT THE CAMPUS.”
“Income from the School's endowment is appropriated for student financial aid, teacher's salaries and benefits, and operating expenses of the School. Appropriations are made in accordance with donor restrictions, and the School's approved spending policy.”
“The School has no unrecognized tax benefits at June 30, 2016 and 2015. The School's Federal information returns prior to fiscal year 2013 are closed and management continually evaluates expiring statutes of limitations, audits, proposed settlements, changes in tax law and new authoritative rulings. If the School had unrelated business income taxes, it would recognize interest and penalties associated with any tax matters as part of the income tax provision and include accrued interest and penalties with the related tax liability in the statement of financial position.”
“COST OF GOODS SOLD 254,985. Change in Cash Surrender Value of Life Insurance 7,004.”
“FINANCIAL AID 3,282,233. CHANGE IN VALUE OF CHARITABLE REMAINDER TRUST 265. TUITION REMISSION 210,000. uncollectible pledges 1,020,158.”
“cost of goods sold 254,985.”
“Financial aid 3,282,233. Tuition remission 210,000.”
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 | 1530441 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1526422 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | MILLBROOK SCHOOL IS a COEDUCATIONAL, COLLEGE PREPARATORY School which offers college preparatory education to its boarding and day students. |
| IRS990/AllOtherContributionsAmt | 0 | 11058160 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 46152 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 536642 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 707997 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 1290791 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Robert W Connolly |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8456778261 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 131 MILLBROOK SCHOOL ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | MILLBROOK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 12545 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 1 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 10374871 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 9505218 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 8 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 208833 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 403842 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 612675 |
| 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 | 3704488 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 1255661 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 692370 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 167765 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 131570 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 199 WEST ROAD SUITE 100 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 198532 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 2401 walnut street 6th floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 230 PARK AVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | PO BOX 322 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | PLEASANT VALLEY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | ATLANTA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | philadelphia |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | new york |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | STORMVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | GA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | PA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 12569 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 303848532 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 19103 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 10169 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 12582 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | KIRCHHOFF - CONSIGLI CONSTRUCTION MANAGE |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | ARAMARK CORPORATION |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | voith & mactavish |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | T & M PROTECTION RESOURCES LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 4 | BLUE DRAGON CONNECTIONS LLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | construction services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Food Service |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | architectural services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | investigatioN services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | TELEPHONE/COMMUNICATION/CONSTRUCTION INS |
| IRS990/CostOfGoodsSoldAmt | 0 | 254985 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 11097240 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 3282233 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1381385 |
| IRS990/CYOtherExpensesAmt | 0 | 8876778 |
| IRS990/CYOtherRevenueAmt | 0 | 22448 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 18186689 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 8522841 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 9949469 |
| IRS990/CYTotalExpensesAmt | 0 | 22164921 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1735911 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 56441 |
| IRS990/CYTotalRevenueAmt | 0 | 30687762 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 6240080 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 6841201 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 118280 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 591400 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1655921 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2365601 |
| IRS990/Desc | 0 | INDEPENDENT SECONDARY EDUCATION FOR APPROXIMATELY 315 BOARDING AND DAY STUDENTS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 203 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/EscrowAccountInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 17613046 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 57350 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 57350 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 341036 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 341036 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 8260 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 8260 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 16520 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 56441 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 56441 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 8913 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 8913 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| 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 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 1.00 |
| 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/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/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 128808 |
| 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 | 49861 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 41488 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 26280 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 52751 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 33867 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | franCISCO L BORGES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | dreW J CASERTANO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | peter R CHAPMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | trevor COLHOUN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | morgan conrad |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | kathlEEN DILL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | robert w hALLETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | william r hettinger |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | christopHER HOLBROOK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | theodore karatz |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | robert s koenigsberger |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | christINA E LANG-ASSAEL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | william menard |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | tracy merrill |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | gordon s pennoyer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | anne b putnam |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | GILBERT P SCHAFER III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | lisa selz |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | paul solomon |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | richard stuckey |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | charlotTE TRACY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | caroline a wamsler |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | george tWhalen III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | robert w Connolly |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | robert anthony |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | nancy stahl |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | jon downs |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | elizabeth duhoski |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 338392 |
| 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 | 173590 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 171308 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 161138 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 145498 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 107288 |
| 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 | tRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | headmaster |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | trustEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | truSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | outgoing trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | outgoing 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 | chairman |
| 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 | vice chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | chief financial officer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | assistant to the headmaster for external affairs |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | director of development |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | director of admissions |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | assistant to the headmaster, Dean of Students |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 0 |
| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1932 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -23851 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 9330 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 21 |
| IRS990/GovernmentGrantsAmt | 0 | 39080 |
| IRS990/GrantAmt | 0 | 3282233 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 3282233 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 3282233 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 13200 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1588810 |
| IRS990/GrossReceiptsAmt | 0 | 32559278 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 277433 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 20 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 6 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 35173 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 316560 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 351733 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 88924 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 355698 |
| IRS990/InterestGrp/TotalAmt | 0 | 444622 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 157150 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 152513 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 1395557 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 1395906 |
| IRS990/InvestmentIncomeGrp/UnrelatedBusinessRevenueAmt | 0 | 349 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 7266431 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 6845790 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 25255123 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 24840444 |
| IRS990/InvestTaxExemptBondsInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 105 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 29683908 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 55302933 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 63486201 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 93170109 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 37051 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 1579480 |
| 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 | 0 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | MILLBROOK SCHOOL IS A SMALL, COEDUCATIONAL, COLLEGE PREPARATORY BOARDING SCHOOL WHERE CLOSE, NURTURING, AND STIMULATING RELATIONSHIPS BETWEEN STUDENTS AND THEIR TEACHERS HAVE BEEN THE SCHOOL'S HALLMARK SINCE ITS FOUNDING. OUR GOAL IS TO PROMOTE IN EACH STUDENT THE INTELLECTUAL, EMOTIONAL, SPIRITUAL, AND PHYSICAL GROWTH WHICH WILL LEAD TO A LIFE BOTH INDIVIDUALLY SATISFYING AND VALUABLE TO THE GREATER SOCIETY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 11385 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 83301613 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 88488281 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | -14521 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | -14521 |
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Displayed year
2016 • Form 990Detailed filing. Detailed filing data is available for this year.