For the 2025-26 school year, there are 6 private schools serving 1,947 students in 98074, WA (there are 8 public schools, serving 6,344 public students). 23% of all K-12 students in 98074, WA are educated in private schools (compared to the WA state average of 10%).
The top ranked private schools in 98074, WA include Eastside Catholic School and Eastside Catholic High School.
The average acceptance rate is 99%, which is higher than the Washington private school average acceptance rate of 82%.
33% of private schools in 98074, WA are religiously affiliated (most commonly Catholic).
Top Ranked 98074 Washington Private Schools (2025-26)
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
207 228th Ave Se
Sammamish, WA 98074
(425) 313-9000
Sammamish, WA 98074
(425) 313-9000
Gr: PK-K | 104 students Avg. class size: 10 students
Tlc Montessori![Tlc Montessori Photo - Science Tlc Montessori Photo - Science]()

Montessori School
21512 NE 16th Street
Sammamish, WA 98074
(425) 868-1943
Sammamish, WA 98074
(425) 868-1943
Gr: PK-1 | 128 students Avg. class size: 20 students Tuition listed
Frequently Asked Questions
What are the top ranked private schools in 98074, WA?
The top ranked private schools in 98074, WA include Eastside Catholic School and Eastside Catholic High School.
How many private schools are located in 98074?
6 private schools are located in 98074.
How diverse are private schools in 98074?
98074 private schools are approximately 22% minority students, which is lower than the Washington private school average of 31%.
What percentage of students in 98074 go to private school?
23% of all K-12 students in 98074 are educated in private schools (compared to the WA state average of 10%).
What percentage of private schools are religiously affiliated in 98074?
33% of private schools in 98074 are religiously affiliated (most commonly Catholic).
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.