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Best 98040 Washington Public Schools (2026)

For the 2026 school year, there are 6 public schools serving 3,975 students in 98040, WA (there are , serving 1,085 private students). 79% of all K-12 students in 98040, WA are educated in public schools (compared to the WA state average of 90%).
The top-ranked public schools in 98040, WA are Island Park Elementary School, Lakeridge Elementary School and Mercer Island High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 98040 have an average math proficiency score of 79% (versus the Washington public school average of 41%), and reading proficiency score of 85% (versus the 53% statewide average). Schools in 98040, WA have an average ranking of 10/10, which is in the top 1% of Washington public schools.
Minority enrollment is 51% of the student body (majority Asian), which is less than the Washington public school average of 52% (majority Hispanic).

Best 98040, WA Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Island Park Elementary School
(Math: 85-89% | Reading: 90-94%)
Rank:
10/
10
Top 1%
5437 Island Crest Way
Mercer Island, WA 98040
(206) 236-3410
Gr: K-5 | 361 students Student-teacher ratio: 16:1 Minority enrollment: 44%
Rank: #22.
Lakeridge Elementary School
(Math: 87% | Reading: 88%)
Rank:
10/
10
Top 5%
8215 Se 78th
Mercer Island, WA 98040
(206) 236-3415
Gr: K-5 | 403 students Student-teacher ratio: 18:1 Minority enrollment: 55%
Rank: #33.
Mercer Island High School
(Math: 81% | Reading: 94%)
Rank:
10/
10
Top 5%
9100 Se 42nd
Mercer Island, WA 98040
(206) 236-3345
Gr: 9-12 | 1,465 student Student-teacher ratio: 20:1 Minority enrollment: 47%
Rank: #44.
West Mercer Elementary School
(Math: 85% | Reading: 86%)
Rank:
10/
10
Top 5%
4141 81st Ave Se
Mercer Island, WA 98040
(206) 236-3430
Gr: K-5 | 410 students Student-teacher ratio: 16:1 Minority enrollment: 58%
Rank: #55.
Islander Middle School
(Math: 74% | Reading: 80%)
Rank:
10/
10
Top 5%
8225 Se 72nd
Mercer Island, WA 98040
(206) 236-3413
Gr: 6-8 | 938 students Student-teacher ratio: 20:1 Minority enrollment: 52%
Rank: #66.
Northwood Elementary School
(Math: 70-74% | Reading: 75-79%)
Rank:
10/
10
Top 10%
4030 86th Ave Se
Mercer Island, WA 98040
(253) 841-8740
Gr: PK-5 | 398 students Student-teacher ratio: 16:1 Minority enrollment: 59%
[+] Show Closed Public Schools in 98040 Washington

98040, Washington Public Schools (Closed)

School
Location
Quick Facts
Children's Institute For Learning Differences (Closed 2023)
Special Education School
4030 86th Ave Se Suite F
Mercer Island, WA 98040
(253) 945-2084
Gr: PK-12 | 1 student
Eeu Special Education Elementary School (Closed 2023)
Special Education School
4160 86th Ave Se
Mercer Island, WA 98040
(206) 236-3325
Gr: PK-4 | 4 students

Frequently Asked Questions

What are the top-ranked public schools in 98040, WA?
The top-ranked public schools in 98040, WA include Island Park Elementary School, Lakeridge Elementary School and Mercer Island High School.
How many public schools are located in 98040?
6 public schools are located in 98040.
What percentage of students in 98040 go to public school?
79% of all K-12 students in 98040 are educated in public schools (compared to the WA state average of 90%).
What is the racial composition of students in 98040?
98040 public schools minority enrollment is 51% of the student body (majority Asian), which is less than the Washington public schools average of 52% (majority Hispanic).

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