For the 2026 school year, there are 4 private high schools serving 1,891 students in Sammamish, WA.
The top-ranked private high schools in Sammamish, WA include Eastside Catholic High School and Eastside Catholic School.
The average acceptance rate is 99%, which is higher than the Washington private high school average acceptance rate of 83%.
50% of private high schools in Sammamish, WA are religiously affiliated (most commonly Catholic).
Top-Ranked Sammamish Private High Schools (2026)
School
Location
Quick Facts
232 228th Avenue SE
Sammamish, WA 98074
(425) 295-3000
Sammamish, WA 98074
(425) 295-3000
Gr: 6-12 | 836 students Avg. class size: 19 students Sports: 19 | Extracurrculars: 22 Tuition & acceptance rate listed
Eastside Catholic High School
(Catholic)
232 228th Ave Se
Sammamish, WA 98074
(425) 295-3024
Sammamish, WA 98074
(425) 295-3024
Gr: 6-12 | 862 students
711 228th Ave Ne
Sammamish, WA 98074
(425) 836-1600
Sammamish, WA 98074
(425) 836-1600
Gr: 6-12 | 17 students Tuition listed
2908 228th Ave SE, Ste B
Sammamish, WA 98075
(425) 562-3545
Sammamish, WA 98075
(425) 562-3545
Gr: 6-12 | 176 students Tuition listed
Overview
This Town (Sammamish)
This State (WA)
# Schools
4 Schools
Student Body:
# Students
1,891 Students
55,179 Students
% Average Students of Color
19%
29%
Academics and Faculty:
# Teachers
188 Teachers
4,853 Teachers
Average Student-Teacher Ratio
10:1
11:1
% Average Faculty w/Advanced Degree
50%
63%
Average Class Size
19 students
14 students
Average Number of AP Courses
24 courses
10 courses
Average SAT score
1308
(Out of 1600)
1263
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$18,280
$17,353
Average % on Financial Aid
29%
34%
Average Financial Aid Grant
$16,809
$9,062
Average Acceptance Rate
99%
83%
Students by Ethnicity:
Diversity Score
0.48
0.61
# American Indian Students
10 Students
626 Students
% American Indian Students
1%
1%
# Asian Students
136 Students
4,156 Students
% Asian Students
7%
8%
# Hispanic Students
89 Students
2,313 Students
% Hispanic Students
5%
4%
# Black Students
65 Students
1,555 Students
% Black Students
3%
3%
# White Students
1,360 Students
30,355 Students
% White Students
70%
56%
# Hawaiian Students
10 Students
239 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
265 Students
14,999 Students
% of Others Students
14%
28%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
22 extracurriculars
11 extracurriculars
Average Number of Sports
19 sports
7 sports
Frequently Asked Questions
What are the top-ranked private high schools in Sammamish, WA?
The top-ranked private high schools in Sammamish, WA include Eastside Catholic High School and Eastside Catholic School.
How many private high schools are located in Sammamish?
4 private high schools are located in Sammamish.
What percentage of private high schools are religiously affiliated in Sammamish?
50% of private high schools in Sammamish are religiously affiliated (most commonly Catholic).
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