For the 2026 school year, there are 2 private elementary schools serving 735 students in Mercer Island, WA.
The top-ranked private elementary schools in Mercer Island, WA include St. Monica Catholic School and French American School of Puget Sound.
The average acceptance rate is 60%, which is lower than the Washington private elementary school average acceptance rate of 81%.
50% of private elementary schools in Mercer Island, WA are religiously affiliated (most commonly Catholic).
Top-Ranked Mercer Island 草榴社区 Elementary Schools (2026)
School
Location
Quick Facts
3795 East Mercer Way
Mercer Island, WA 98040
(206) 275-3533
Mercer Island, WA 98040
(206) 275-3533
Gr: PK-8 | 473 students Avg. class size: 18 students Sports: 5 Tuition & acceptance rate 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 Sports: 4 | Extracurrculars: 17 Tuition & acceptance rate listed
Mercer Island, Washington 草榴社区 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
Overview
This Town (Mercer Island)
This State (WA)
# Schools
2 Schools
Student Body:
# Students
735 Students
101,739 Students
% Average Students of Color
17%
31%
Academics and Faculty:
# Teachers
20 Teachers
8,540 Teachers
Average Student-Teacher Ratio
13:1
12:1
Average Class Size
20 students
16 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$25,750
$15,457
Average % on Financial Aid
22%
27%
Average Acceptance Rate
60%
81%
Average Endowment Size
$2 million
$42.24 million
Students by Ethnicity:
Diversity Score
0.70
0.64
# American Indian Students
2 Students
1,107 Students
% American Indian Students
n/a
1%
# Asian Students
38 Students
7,871 Students
% Asian Students
5%
8%
# Hispanic Students
297 Students
5,483 Students
% Hispanic Students
40%
5%
# Black Students
20 Students
3,181 Students
% Black Students
3%
3%
# White Students
227 Students
52,042 Students
% White Students
31%
52%
# Hawaiian Students
n/a
538 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
151 Students
30,510 Students
% of Others Students
21%
30%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
17 extracurriculars
8 extracurriculars
Average Number of Sports
5 sports
5 sports
Frequently Asked Questions
What are the top-ranked private elementary schools in Mercer Island, WA?
The top-ranked private elementary schools in Mercer Island, WA include St. Monica Catholic School and French American School of Puget Sound.
How many private elementary schools are located in Mercer Island?
2 private elementary schools are located in Mercer Island.
What percentage of private elementary schools are religiously affiliated in Mercer Island?
50% of private elementary schools in Mercer Island are religiously affiliated (most commonly Catholic).
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