O'dea High School (Top Ranked Private School for 2026-27)

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About the School

O'dea High School in Seattle, WA, is a Catholic all–boys private school serving grades 9 through 12 with an enrollment of 500 students.
Founded in 1923, the school is located in a large city community in downtown Seattle and is accredited by the Northwest Association of Accredited Schools.
The school has a student–teacher ratio of 15:1 with 34 teaching staff and an average class size of 25 students.
Annual tuition is $22,890, which aligns with the high school tuition averages in Seattle, Washington.
O'dea offers 4 Advanced Placement courses and has a student body representing 28.4% students of color.

Quick Facts (2026-27)

Top Ranked WA School
Grades: 9-12
Enrollment: 500 students
Yearly Tuition: $22,890
Average class size: 25 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

O'dea High School ranks among the top 20% of private schools in Washington for:

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	O'dea High School
9	125
10	125
11	125
12	125

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Year Founded

1923

School Calendar

View School Calendar

Student Body

Total Students

500 students

Student Body Type

All-boys

% Students of Color

28%

State avg.: 32%

Academic Profile

Total Classroom Teachers

34 teachers

Student-Teacher Ratio

15:1

National avg.: 11:1

% Faculty w/Advanced Degree

66%

Average Class Size

25 students

Number of AP Courses

4 courses

Advanced Courses

AP CalculusAP Chemistry

AP LatinAP Spanish

Humanities through Seattle University

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Yearly Tuition Cost

$22,890

View national tuition avg.

Admissions Director

Jeanne Flohr

Application URL

Online Application

Sports

Total Sports Offered

10 sports

Sports

BaseballBasketball

Cross CountryFootball

GolfSoccer

SwimmingTennis

Track and FieldWrestling

Colors

Maroon, Gold

School Mascot

Irish

School Notes

Sample of notable school alumni/alumnae:
- Dan McGwire, NFL Quarterback -
- Jon Kitna, NFL Quarterback -

Source: Verified school update

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Frequently Asked Questions

How much does O'dea High School cost?

O'dea High School's tuition is approximately $22,890 for private students.

Who are famous alumni from O'dea High School?

O'dea High School famous alumni include: Dan McGwire, NFL Quarterback and Jon Kitna, NFL Quarterback.

What sports does O'dea High School offer?

O'dea High School offers 10 interscholastic sports: Baseball, Basketball, Cross Country, Football, Golf, Soccer, Swimming, Tennis, Track and Field and Wrestling. O'dea High School is ranked as one of the top 20% of private schools in Washington for most sports offered.

What is O'dea High School's ranking?

O'dea High School ranks among the top 20% of private schools in Washington for: Largest student body, Most sports offered and Oldest founding date.

When is the application deadline for O'dea High School?

The application deadline for O'dea High School is rolling (applications are reviewed as they are received year-round).

In what neighborhood is O'dea High School located?

O'dea High School is located in the Downtown Seattle neighborhood of Seattle, WA. There are 4 other private schools located in Downtown Seattle.

School Reviews

5 3/7/2013

Great School, Prepares you for your future, only all boys school in Washington, Idaho, and Montana

- Posted by Student/Alumni - joebl

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Did You Know?

The average private school tuition in Seattle, WA is $22,298 for elementary schools and $24,673 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Seattle, WA is 69% (read more about average acceptance rates across the country).