For the 2025-26 school year, there are 10 private schools serving 2,505 students in Sammamish, WA (there are , serving 11,959 public students). 17% of all K-12 students in Sammamish, WA are educated in private schools (compared to the WA state average of 10%).
The top ranked private 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 school average acceptance rate of 82%.
Top Ranked Sammamish ²ÝÁñÉçÇø 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
1107 228th Avenue Se
Sammamish, WA 98075
(425) 392-8053
Sammamish, WA 98075
(425) 392-8053
Gr: PK-6 | 170 students Avg. class size: 20 students Extracurrculars: 6
2825 244th AVE SE
Sammamish, WA 98075
(425) 270-3226
Sammamish, WA 98075
(425) 270-3226
Gr: PK-K | 50 students Avg. class size: 20 students Sports: 1
711 228th Ave Ne
Sammamish, WA 98074
(425) 836-1600
Sammamish, WA 98074
(425) 836-1600
Gr: 6-12 | 17 students Tuition listed
Lakeside Montessori School
Montessori School
3310 E Lake Sammamish Pkwy Se Ste C1
Sammamish, WA 98075
(425) 392-0100
Sammamish, WA 98075
(425) 392-0100
Gr: PK-K | 162 students Avg. class size: 20 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
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 Sammamish, WA?
The top ranked private schools in Sammamish, WA include Eastside Catholic High School and Eastside Catholic School.
How many private schools are located in Sammamish?
10 private schools are located in Sammamish.
How diverse are private schools in Sammamish?
Sammamish private schools are approximately 27% minority students, which is lower than the Washington private school average of 31%.
What percentage of students in Sammamish go to private school?
17% of all K-12 students in Sammamish are educated in private schools (compared to the WA state average of 10%).
What percentage of private schools are religiously affiliated in Sammamish?
Which private schools in Sammamish are often viewed compared to one another?
Popular comparisons of private schools in Sammamish include: Sammamish KinderCare vs. Sammamish Childrens School, Aster Montessori vs. Arbor Schools, Tlc Montessori vs. Arbor Schools
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