Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in May 1926.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
80 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
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Who runs it and what they're paid
37 people listed on the 990; $1.8M paid to officers and key staff.
Pieter M Mulder’s $533K as Secretary/Head of School is at the 91st percentile of top reported officer pay among 3683 $10–100M education nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.
Compensation history total reportable pay by year · 8 named individuals · Part VII
| Name | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | FY2020 |
|---|---|---|---|---|---|---|
| Pieter M Mulder | $533,399 | $483,185 | $445,543 | $462,662 | $433,395 | $382,173 |
| Robert S Boyd | $406,751 | $387,123 | $354,863 | $344,009 | $294,852 | $243,283 |
| Jean Maher | — | $192,414 | $176,888 | $215,112 | $170,695 | $175,137 |
| Andrew Bogardus | $213,955 | $205,853 | $203,048 | $203,899 | $200,012 | $202,550 |
| Peter Quilty | $182,327 | — | — | $140,431 | $136,620 | $138,503 |
| Vitaly Nazarov | $178,705 | — | — | — | — | — |
| Carol Visnapuu | $164,410 | — | — | — | — | — |
| Timothy J Fulco | $161,256 | $151,958 | $147,887 | $145,605 | $133,921 | $136,039 |
Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.
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Questions the 990 asks
The form asks each of these directly. These are the filed answers.
- Family or business ties among officersPt VI · Ln 2No
- Top official's pay set by an independent reviewPt VI · Ln 15aYes
Programs and updates
Provides secondary education, athletic programs, housing, food services, and medical care for boarding and day school students.
Questions for Berkshire School INC
Your first name shows with your question. Berkshire School INC answers here, for everyone.
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Instruction of approximately 433 high school aged children by approximately 102 qualified instructors.
Providing food services and supplies and infirmary for students.
Conducting athletic programs and various other student activities.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2025 990, line by line.
Download 990
| Line | Start FY25 | End FY25 |
|---|---|---|
| Cash and savingsLn 1–2 | $21.7M | $22.2M |
| InvestmentsLn 11–13 | $217.5M | $222.6M |
| Land, buildings, equipmentLn 10c | $104.7M | $143.6M |
| Total assetsLn 16 | $382.2M | $403.3M |
| LiabilitiesLn 26 | $70.1M | $71.1M |
| Net assetsLn 32 | $312.1M | $332.2M |
| Line | Total | Programs | Management | Fundraising |
|---|---|---|---|---|
| Grants to domestic organizationsLn 1 | $109K | $109K | ||
| Grants to domestic individualsLn 2 | $5.3M | $5.3M | ||
| Grants and assistance to foreign recipientsLn 3 | $786K | $786K | ||
| Benefits paid to or for membersLn 4 | $1.4M | $1.4M | ||
| Pay of current officers, directors and key staffLn 5 | $1.2M | $485K | $728K | |
| Other salaries and wagesLn 7 | $15.3M | $10.7M | $3.1M | $1.5M |
| Pension plan contributionsLn 8 | $1.1M | $686K | $267K | $113K |
| Other employee benefitsLn 9 | $3.1M | $2.2M | $636K | $261K |
| Payroll taxesLn 10 | $1.1M | $691K | $277K | $106K |
| Investment management feesLn 11f | $876K | $876K | ||
| Advertising and promotionLn 12 | $217K | $106K | $112K | |
| Office expensesLn 13 | $6.1M | $4.7M | $1.2M | $126K |
| Information technologyLn 14 | $684K | $99K | $585K | |
| OccupancyLn 16 | $4.9M | $4.9M | ||
| TravelLn 17 | $110K | $4K | $106K | |
| Conferences, conventions and meetingsLn 19 | $4K | $4K | ||
| InterestLn 20 | $717K | $717K | ||
| Depreciation, depletion and amortizationLn 22 | $6.0M | $6.0M | ||
| InsuranceLn 23 | $588K | $588K | ||
| Other expenses (24a–d)Ln 24 | $379K | $80K | $299K | |
| Total functional expensesLn 25 | $49.8M | $39.7M | $7.8M | $2.4M |
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 Latest Viewing | $60.9M | $49.8M | $11.1M | $332.2M | 990 PDF |
| FY2024 | $54.6M | $46.3M | $8.3M | $312.1M | 990 PDF |
| FY2023 | $48.3M | $45.7M | $2.6M | $290.8M | 990 PDF |
| FY2022 | $53.2M | $42.3M | $10.8M | $292.1M | 990 PDF |
| FY2021 | $46.8M | $39.7M | $7.1M | $287.8M | 990 PDF |
| FY2020 | $50.4M | $37.1M | $13.4M | $244.6M | 990 PDF |
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Schedules filed Part IV
See the full FY2025 990 (6 parts)
Part I · Summary $60,945,130 revenue, 12 lines filed
Part VI · Governance 30 of 31 board members independent, no flags
Part VIII · Statement of revenue $60,945,130 across 8 lines filed
Part IX · Statement of functional expenses $49,847,612 across 20 lines filed
Part X · Balance sheet $403,273,561 assets, 19 lines filed
Part XI · Reconciliation of net assets $332,169,091 net assets at year end
Form 990 e-file (XML) FY2025 from the IRS · Classification, formation year and address from the IRS Business Master File
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