St. Monica School
under 1 mi Grades PreK-12 222 students 9.7 students per teacher Roman Catholic Co-ed
Private schools in Mercer Island, WA
7 schools in Mercer Island itself and 58 more within 6 miles.
Mercer Island private schools at a glance
Mercer Island has 7 private schools of its own, and 58 more are within 6 miles. In Mercer Island itself: 1 Catholic, 5 nonsectarian and 1 of other faiths; 5 teach elementary grades and 4 teach high school; 2 are Montessori. Counting the 58 nearby, there are 65 in all: 12 Catholic, 7 other Christian, 40 nonsectarian and 6 of other faiths; 48 teach elementary grades and 28 teach high school; 8 are Montessori. 6 are all-girls and 2 are all-boys; the rest are co-ed. 18 report membership in a school association, most often the National Catholic Educational Association (2023-24 federal survey). Of the 15 high schools that reported it, the typical one sends 90% of graduates on to a 4-year college (2023-24 federal survey). The typical school has about 80 students and 8.7 students per teacher (2023-24 federal survey). We verified published tuition at 8 of these schools: the lowest-priced grade runs from $18,375 to $52,940 a year, and the middle figure is $30,635.
12 Catholic
8.7 students per teacher, typical
Private schools in Mercer Island (7)
Schools that give Mercer Island as their address come first, then the 58 more within 6 miles. Closest schools first in each group. No school can pay to change its place in this list or its badge.
Affiliation, co-ed or single-sex, association membership and the share of graduates going on to a 4-year college come from the 2023-24 federal Private School Universe survey.
No school in Mercer Island matches all of those.
Northwest Yeshiva High School
under 1 mi Grades 9-12 57 students 4.3 students per teacher Jewish Special program emphasis Co-ed 90% to 4-year college
Privett Academy
1 mi Grades 7-12 74 students 10.6 students per teacher Nonsectarian Co-ed 99% to 4-year college
Grades PreK-K Nonsectarian Montessori Co-ed
Yellow Wood Academy
1 mi Grades 4-12 101 students Nonsectarian Alternative Co-ed 50% to 4-year college
Grades PreK-8 312 students 5.3 students per teacher Nonsectarian Special program emphasis Co-ed
Grades PreK-K Nonsectarian Montessori Co-ed
Nearby, within 6 miles (58)
Schools in other towns within 6 miles of downtown Mercer Island.
No nearby school matches all of those.
Grades 9 Under 10 K-12 students Jewish All-boys
Derech Emunah
2 mi Grades 9-11 Under 10 K-12 students Jewish All-girls
Grades PreK-11 39 students 3 students per teacher Jewish Co-ed
Grades 6-8 77 students 10.8 students per teacher Roman Catholic Co-ed
Grades PreK-5 64 students 8.4 students per teacher Nonsectarian Co-ed
Grades PreK-K Nonsectarian Early childhood Co-ed
Grades PreK-8 144 students 9 students per teacher Roman Catholic Co-ed
New Life Montessori
3 mi Grades PreK-K Christian (nondenominational) Montessori Co-ed
Grades 5-12 245 students 6.6 students per teacher Roman Catholic All-girls 100% to 4-year college
Grades 6-8 111 students 7.4 students per teacher Nonsectarian All-girls
Grades PreK-K Nonsectarian Early childhood Co-ed
Grades 1-8 389 students 7.1 students per teacher Nonsectarian Special education Co-ed
Grades 4-12 43 students 2.6 students per teacher Nonsectarian Special education Co-ed
Seattle Girls School
4 mi Grades 5-8 129 students 9.5 students per teacher Nonsectarian All-girls
Grades PreK-8 240 students 15.9 students per teacher Roman Catholic Co-ed
Grades PreK-8 88 students 6.4 students per teacher Jewish Co-ed
Grades K-8 198 students 7.9 students per teacher Roman Catholic Co-ed
All 58 nearby schools
Private schools
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Private school tuition near Mercer Island
We verified published tuition at 8 of these schools: the lowest-priced grade runs from $18,375 to $52,940 a year, and the middle figure is $30,635. Each figure comes from the school’s own website, and we link it on the school’s page. Ask the others for their full-year price.
| School | Published tuition | Year |
|---|---|---|
| Sacred Heart School | $18,375 | 2026-27 |
| St. Joseph School | $20,276 to $21,264 | 2026-27 |
| O'Dea High School | $24,035 | 2026-27 |
| Holy Names Academy | $26,520 | 2026-27 |
| Hamlin Robinson School | $34,750 to $37,310 | 2026-27 |
| The Bush School | $41,835 to $50,800 | 2026-27 |
| Eastside Preparatory School | $50,300 | 2026-27 |
| Seattle Academy | $52,940 | 2026-27 |
Ranges run from the lowest to the highest grade band the school publishes. How private school tuition compares by state.
What private school costs across Washington: every verified price in the state, by city and grade.
Paying for private school in Washington
No state program pays private school tuition. What Washington families can use instead.
Keep looking
- Christian schools in Mercer Island (7)
- Catholic schools in Mercer Island (12)
- Montessori schools in Mercer Island (8)
- Special education schools in Mercer Island (3)
- Private high schools in Mercer Island (28)
- Private elementary schools in Mercer Island (48)
- Private middle schools in Mercer Island (39)
- Private schools with kindergarten in Mercer Island (37)
- Private schools with pre-K in Mercer Island (30)
- Jewish schools in Mercer Island (6)
- All-girls schools in Mercer Island (6)
- All schools in King County
- Private schools in Bellevue (4 mi)
- Private schools in Renton (6 mi)
- Private schools in Seattle (7 mi)
- Private schools in Burien (8 mi)
- Private schools in Issaquah (9 mi)
- Private schools in Sammamish (9 mi)
- Private schools in Kirkland (9 mi)
- Private schools in Redmond (10 mi)
- Private schools in Kent (12 mi)
- Private schools in Des Moines (13 mi)
- School choice in Washington: what is available
Get one email when applications open
Most programs open once a year, and several ran out of money or seats in 2026. Pick your state (you are looking at Mercer Island) and we will email you the day the next window opens, with the official link. That is the only email you get.
One email per application window. No calls, no sharing your details.
Questions parents ask
How many private schools are there in Mercer Island?
7 private schools give Mercer Island as their address. Counting nearby towns, we list 65: 7 in Mercer Island and 58 within 6 miles of downtown. Together they enrolled about 11,188 students in the last federal survey (2023-24). The largest in Mercer Island is French American School of Puget Sound with 312 students. The largest within 6 miles is Seattle Academy with 1,170 students.
How much does private school cost near Mercer Island?
We verified published tuition at 8 of these schools: the lowest-priced grade runs from $18,375 to $52,940 a year, and the middle figure is $30,635. Each figure was read on the school’s own website. Required fees can be extra and prices vary by grade, so check the school’s page for your child’s grade.
Does Washington pay for private school?
No state program pays private school tuition. No Washington program pays private school tuition. The state constitution bars public money for religious instruction and keeps public schools free of sectarian control, and Washington has no individual income tax, so there is no tuition tax break.