For the 2025-26 school year, there are 4 private high schools serving 468 students in Mercer Island, WA.
The top ranked private high schools in Mercer Island, WA include Northwest Yeshiva High School and St. Monica Catholic School.
The average acceptance rate is 94%, which is higher than the Washington private high school average acceptance rate of 83%.
Top Ranked Mercer Island Private High Schools (2025-26)
School
Location
Quick Facts
5017 90th Avenue SE
Mercer Island, WA 98040
(206) 232-5272
Mercer Island, WA 98040
(206) 232-5272
Gr: 9-12 | 65 students Avg. class size: 12 students Sports: 5 | Extracurrculars: 11 Tuition listed
4320 87th Avenue SE
Mercer Island, WA 98040
(206) 232-5432
Mercer Island, WA 98040
(206) 232-5432
Gr: NS-12 | 262 students Avg. class size: 21 students Extracurrculars: 17 Tuition & acceptance rate listed
9311 SE 36th St
Mercer Island, WA 98040
(206) 232-0059
Mercer Island, WA 98040
(206) 232-0059
Gr: 9-12 | 7 students Tuition listed
Yellow Wood Academy![Yellow Wood Academy Photo - We are so proud of our YWA graduates! Yellow Wood Academy Photo - We are so proud of our YWA graduates!]()

Special Education School
9655 SE 36th Street,
Mercer Island, WA 98040
(206) 236-1095
Mercer Island, WA 98040
(206) 236-1095
Gr: K-12 | 134 students Avg. class size: 1 student Tuition & acceptance rate listed
Mercer Island, Washington Private Schools (Closed)
School
Location
Quick Facts
American Academy (Closed 2015)
(Christian)
7834 Se 32nd St
Mercer Island, WA 98040
(206) 230-5672
Mercer Island, WA 98040
(206) 230-5672
Gr: 1-12 | 25 students
Frequently Asked Questions
What are the top ranked private high schools in Mercer Island, WA?
The top ranked private high schools in Mercer Island, WA include Northwest Yeshiva High School and St. Monica Catholic School.
How many private high schools are located in Mercer Island?
4 private high schools are located in Mercer Island.
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