Eastside Catholic School Photo - The Eastside Catholic School campus is situated on 50 acres on Sammamish plateau and surrounded by protected wetlands and forest.

Best Sammamish Private High Schools (2025-26)

For the 2025-26 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 School and Eastside Catholic High 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 (2025-26)

School
Location
Quick Facts
Eastside Catholic School
Eastside Catholic School Photo - The Eastside Catholic School campus is situated on 50 acres on Sammamish plateau and surrounded by protected wetlands and forest.
(Catholic)
(7)
232 228th Avenue SE
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
Gr: 6-12 | 862 students
711 228th Ave Ne
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
Gr: 6-12 | 176 students Tuition listed

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 School and Eastside Catholic High 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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