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Millbrook School tuition & admissions

Millbrook, NYGrades 9–12Boarding, coedmillbrook.org

Tuition

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Application deadline

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Students

330

8 students per teacher

Admission test

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Tuition

The school doesn't publish tuition on its website.

Financial aid: $5,155,356 to 81 students (about $63,646 each) in 2024, per the school's IRS Form 990.

How to apply
Entry grades—
Admission test—
Interview—
Apply through—
Application fee—
Deadline—
Decisions released—
School facts
Students330
Teachers (full-time equivalent)41
Students per teacher8.0
School days per year165
Graduates going to 4-year colleges95%
Endowment$77,973,154 (FY2025)
Annual revenue$45,431,665 (2024)
Head of school pay$601,431

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    Millbrook School FAQ
    Does Millbrook School offer financial aid?
    Yes. Millbrook School reported $5,155,356 in financial aid to 81 students on its 2024 IRS Form 990.
    How many students attend Millbrook School?
    Millbrook School enrolls 330 students in grades 9–12, with about 8 students per teacher (NCES Private School Survey, 2023-24).

    More private schools in NY

    Sources: tuition and admissions from millbrook.org (checked Oct 2026); enrollment from the NCES Private School Survey 2023-24; finances from the 2024 IRS Form 990. “—” means we couldn't find it.

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