Eastside Catholic High School in Sammamish, WA, serves 862 students in grades 6 through 12 within a suburban community setting.
The co–educational Catholic school was founded in 1980 and maintains a student–teacher 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
Student Body
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
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
Yearly Tuition Cost
$32,750
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).
Nearby Private Schools
Popular comparisons: Eastside Catholic High School vs. The Bear Creek School
The nearest high school and elementary school to Eastside Catholic High School is Eastside Catholic School (0.1 miles away)
The nearest preschool is Sammamish Childrens School (0.2 miles away)
Show me:
School
Location
Miles
Quick Facts
232 228th Avenue SE
Sammamish, WA 98074
(425) 295-3000
Sammamish, WA 98074
(425) 295-3000
0.1 miles
Gr: 6-12 | 836 students Avg. class size: 19 students Sports: 19 | Extracurrculars: 22 Tuition & acceptance rate listed
207 228th Ave Se
Sammamish, WA 98074
(425) 313-9000
Sammamish, WA 98074
(425) 313-9000
0.2 miles
Gr: PK-K | 104 students Avg. class size: 10 students
Sammamish KinderCare![Sammamish KinderCare Photo - Sammamish KinderCare]( "Sammamish KinderCare Photo - Sammamish KinderCare")
Daycare / Preschool
22931 NE 4th St.
Sammamish, WA 98074
(425) 837-5340
Sammamish, WA 98074
(425) 837-5340
0.4 miles
Gr: NS-PK
1107 228th Avenue Se
Sammamish, WA 98075
(425) 392-8053
Sammamish, WA 98075
(425) 392-8053
0.5 miles
Gr: PK-6 | 170 students Avg. class size: 20 students Extracurrculars: 6
711 228th Ave Ne
Sammamish, WA 98074
(425) 836-1600
Sammamish, WA 98074
(425) 836-1600
0.6 miles
Gr: 6-12 | 17 students Tuition listed
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