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Open Window School tuition & admissions

Bellevue, WAGrades K–8Day, coedopenwindowschool.org

Tuition 2026-27

$48,070

Highest grade band

Application deadline

January 14

2027

Students

359

11 students per teacher

Admission test

Varies by grade

Tuition 2026-27
GradesDay
K-4$42,880
5-8$48,070

Financial aid: $1,253,853 to 56 students (about $22,390 each) in 2024, per the school's IRS Form 990.

How to apply
Entry gradesK, 1, 2, 3, 4, 5, 6, 7, 8
Admission test, grades K-4No test
Admission test, grades 5-8No test (optional)
Interview—
Apply throughAryval
Application fee$70
DeadlineJanuary 14, 2027
Decisions releasedMarch 19, 2027
School facts
Students359
Teachers (full-time equivalent)34
Students per teacher10.6
School days per year171
Endowment$12,008,766 (FY2025)
Annual revenue$19,756,863 (2024)
Head of school pay$410,214

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    Open Window School FAQ
    How much is Open Window School tuition?
    For 2026-27, tuition at Open Window School is $42,880 for grades K-4; $48,070 for grades 5-8, per the school's website.
    Does Open Window School require the ISEE or SSAT?
    It depends on the grade: no test for grades K-4; no test (optional) for grades 5-8.
    When is the Open Window School application deadline?
    The main application deadline is January 14, 2027, and decisions are released March 19, 2027. Families apply through Aryval.
    Does Open Window School offer financial aid?
    Yes. Open Window School reported $1,253,853 in financial aid to 56 students on its 2024 IRS Form 990.
    How many students attend Open Window School?
    Open Window School enrolls 359 students in grades K–8, with about 11 students per teacher (NCES Private School Survey, 2023-24).

    More private schools in Seattle

    Sources: tuition and admissions from openwindowschool.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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