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Eastside Catholic High School

232 228th Ave Se
Sammamish, WA 98074
Eastside Catholic High School in Sammamish, WA, serves 862 students in grades 6 through 12 within a suburban community setting.
The co鈥揺ducational Catholic school was founded in 1980 and maintains a student鈥搕eacher ratio of 11:1 with 75 teaching staff.
Approximately 23% of the student body identifies as students of color, reflecting some diversity within the enrollment.
Eastside Catholic High School ranks among the top 20% of private schools in Washington state for largest student body size.
The school is one of several private secondary options in the Sammamish area, offering programming for middle and high school students.

Quick Facts (2026)

  • 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:

Category
Attribute

School Overview

Religious Affiliation
Grades Offered
Grades 6-12
Year Founded
1980
Colors
Navy Blue, Orange
Campus Size
50 acres (20 ha)

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.:

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost

School Notes

  • School Mascot: Crusades
Source: National Center for Education Statistics (NCES)

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 (2026)

  • 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 $20,943 for elementary schools and $24,395 for high schools (read more about average private school tuition across the country).
The average acceptance rate in King County, WA is 77% (read more about average acceptance rates across the country).

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