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Eastside Catholic High School

232 228th Ave Se
Sammamish, WA 98074

Eastside Catholic School is a private Roman Catholic secondary school located in Sammamish, Washington, a suburb east of Seattle within the Archdiocese of Seattle.

It has a faith-based educational program for students in grades 6 through 12.

Quick Facts (2025-26)

Top Ranked WA School
Grades: 6-12
Enrollment: 862 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Top Rankings

Eastside Catholic High School ranks among the top 20% of private schools in Washington for:

School Overview

Religious Affiliation

Catholic

Grades Offered

Grades 6-12

Year Founded

1980

Colors

Navy Blue, Orange

Student Body

Total Students

862 students

Student Body Type

Co-ed

% Students of Color

23%

State avg.: 31%

Students by Grade

Eastside Catholic High School Student By Grade

Academics and Faculty

Total Classroom Teachers

75 teachers

Student-Teacher Ratio

11:1

National avg.: 13:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

School Notes

School Mascot: Crusades

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

What schools are Eastside Catholic High School often compared to?

Eastside Catholic High School is often viewed alongside schools like The Bear Creek School by visitors of our site.

What is Eastside Catholic High School's ranking?

Eastside Catholic High School ranks among the top 20% of private schools in Washington for: Largest student body.

When is the application deadline for Eastside Catholic High School?

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

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Quick Facts (2025-26)

Top Ranked WA School
Grades: 6-12
Enrollment: 862 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in King County, WA is $21,121 for elementary schools and $24,523 for high schools (read more about average private school tuition across the country).

The average acceptance rate in King County, WA is 76% (read more about average acceptance rates across the country).