Is it real?
Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in Nov 1933.
IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File
Where the money goes
81 cents of each dollar spent went to programs.
Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.
Something off? Claim to add context
Who runs it and what they're paid
33 people listed on the 990-T; $1.6M paid to officers and key staff.
Jonathan Downs’s $469K as Head of School is at the 86th 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 |
|---|---|---|---|---|---|---|
| Jonathan Downs | $468,758 | $356,785 | $340,066 | $256,777 | $213,733 | $194,698 |
| Drew Casertano | — | — | $309,000 | $448,060 | $429,737 | $397,429 |
| Jeffrey Smith | $234,953 | $216,372 | $203,704 | $189,114 | $186,769 | $180,267 |
| Robert Anthony | — | $152,585 | $161,184 | $167,680 | $152,957 | $203,926 |
| Nancy Stahl | $202,352 | $199,599 | $194,047 | $190,931 | $196,168 | $184,195 |
| Natalie Smith | $168,400 | — | — | — | — | — |
| William Hardy | — | — | — | — | — | $129,544 |
| Jarratt Clarke | $125,277 | $121,471 | $110,096 | — | — | — |
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.
See Millbrook School executive salaries →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 college preparatory education to boarding and day students.
Questions for Millbrook School
Your first name shows with your question. Millbrook School answers here, for everyone.
Independent secondary education for approximately 330 boarding and day students.
Funders
Who pays for it.
From grant filings on record. Receipts are incomplete: individual donors are never listed.
Grants
By the numbers
The FY2022 990-T, line by line.
Download 990
Filing history
| Year | Money in | Money out | In minus out | Net assets | Download |
|---|---|---|---|---|---|
| FY2025 LatestFiled with the IRS Apr 17, 2026 | $45.4M | $34.9M | $10.6M | $150.3M | 990 PDF |
| FY2024Filed with the IRS May 1, 2025 | $35.7M | $33.8M | $1.8M | $138.9M | 990 PDF |
| FY2023Filed with the IRS Mar 7, 2024 | $33.3M | $33.0M | $285K | $131.6M | 990 PDF |
| FY2022 Viewing | $28.8M | $30.2M | −$1.4M | $125.9M | 990 PDF |
| FY2021Filed with the IRS Feb 16, 2022 | $39.8M | $30.0M | $9.8M | $139.0M | 990 PDF |
| FY2020Filed with the IRS Feb 9, 2021 | $30.1M | $25.9M | $4.2M | $115.0M | 990 PDF |
Schedules filed Part IV
Form 990 e-file (XML) FY2022 from the IRS · Classification, formation year and address from the IRS Business Master File
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