Best Mercer Island Private Schools (2025-26)

For the 2025-26 school year, there are 7 private schools serving 1,073 students in Mercer Island, WA (there are 6 public schools, serving 3,975 public students). 21% of all K-12 students in Mercer Island, WA are educated in private schools (compared to the WA state average of 10%).

The top ranked private schools in Mercer Island, WA include French American School of Puget Sound, Northwest Yeshiva High School, and St. Monica Catholic School.

The average acceptance rate is 70%, which is lower than the Washington private school average acceptance rate of 82%.

29% of private schools in Mercer Island, WA are religiously affiliated (most commonly Catholic and Jewish).