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O'Dea High School

Private school · Seattle, King County · grades 9-12 · Catholic (Christian Brothers heritage, Archdiocese of Seattle)

Snapshot

K-12 enrollment
456
SBE-reported, 2024-25
Tuition (top division)
$24,035
2025-26, school-published
Student-teacher ratio
14.9:1
NCES PSS, 2021-22
Teachers (FTE)
33
NCES PSS, 2021-22

Identity and approval

Campus
O'Dea High School — 802 Terry Ave, Seattle 98104
Host public district
Seattle School District
Grades
9-12
Religious affiliation
Catholic (Christian Brothers heritage, Archdiocese of Seattle)
Coed / single-sex
boys
Website
https://www.odea.org
WA SBE approval
2026-27 (state-approved private school)
Profit status
Nonprofit

Enrollment

9101112
13412094108

Enrollment by grade, 2024-25 school year, as reported to the WA State Board of Education.

Tuition and financial aid

Annual tuition
$24,035 (2025-26)
By division / fees
Enrollment fee $550; digital resource fee $350.
Financial aid
More than $2.5M awarded to 48% of students this year; some merit scholarships; Fulcrum Foundation grants.

Source: the school's own tuition page · aid page, observed 2026-07-03. Tuition changes annually — verify before applying.

Academics

Curriculum
AP + Honors (selective placement, 5.0 weighted scale).
College matriculation
Class of 2022: 94% post-secondary (90% four-year).
Washington private schools are not required to publish state assessment results, and this school's internal test data is not public. Unlike the public-school pages on this site, no score comparison is possible here — treat curriculum labels and matriculation lists as the available evidence.

Student demographics

Asian
5%
Black
13%
Hispanic
3%
White
58%

NCES Private School Universe Survey, 2021-22 (the most recent federal collection). Private-school demographics are reported biennially and lag public-school data.

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Sources

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