For the 2026 school year, there are 5 public elementary schools serving 2,554 students in 98040, WA.
The top-ranked public elementary schools in 98040, WA are Island Park Elementary School, Lakeridge Elementary School and West Mercer Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public elementary schools in zipcode 98040 have an average math proficiency score of 78% (versus the Washington public elementary school average of 43%), and reading proficiency score of 83% (versus the 51% statewide average). Elementary schools in 98040, WA have an average ranking of 10/10, which is in the top 5% of Washington public elementary schools.
Minority enrollment is 54% of the student body (majority Asian), which is more than the Washington public elementary school average of 53% (majority Hispanic).
Best 98040, WA Public Elementary Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Island Park Elementary School
(Math: 85-89% | Reading: 90-94%)
Rank:
Rank:
10/
Top 1%10
5437 Island Crest Way
Mercer Island, WA 98040
(206) 236-3410
Mercer Island, WA 98040
(206) 236-3410
Gr: K-5 | 364 students Student-teacher ratio: 15:1 Minority enrollment: 44%
Rank: #22.
Lakeridge Elementary School
(Math: 87% | Reading: 88%)
Rank:
Rank:
10/
Top 5%10
8215 Se 78th
Mercer Island, WA 98040
(206) 236-3415
Mercer Island, WA 98040
(206) 236-3415
Gr: K-5 | 401 students Student-teacher ratio: 17:1 Minority enrollment: 56%
Rank: #33.
West Mercer Elementary School
(Math: 85% | Reading: 86%)
Rank:
Rank:
10/
Top 5%10
4141 81st Ave Se
Mercer Island, WA 98040
(206) 236-3430
Mercer Island, WA 98040
(206) 236-3430
Gr: K-5 | 431 students Student-teacher ratio: 17:1 Minority enrollment: 58%
Rank: #44.
Islander Middle School
(Math: 74% | Reading: 80%)
Rank:
Rank:
10/
Top 5%10
8225 Se 72nd
Mercer Island, WA 98040
(206) 236-3413
Mercer Island, WA 98040
(206) 236-3413
Gr: 6-8 | 960 students Student-teacher ratio: 21:1 Minority enrollment: 54%
Rank: #55.
Northwood Elementary School
(Math: 70-74% | Reading: 75-79%)
Rank:
Rank:
10/
Top 10%10
4030 86th Ave Se
Mercer Island, WA 98040
(253) 841-8740
Mercer Island, WA 98040
(253) 841-8740
Gr: PK-5 | 398 students Student-teacher ratio: 15:1 Minority enrollment: 54%
Frequently Asked Questions
What are the top-ranked public elementary schools in 98040, WA?
The top-ranked public elementary schools in 98040, WA include Island Park Elementary School, Lakeridge Elementary School and West Mercer Elementary School.
How many public elementary schools are located in 98040?
5 public elementary schools are located in 98040.
What is the racial composition of students in 98040?
98040 public elementary schools minority enrollment is 54% of the student body (majority Asian), which is more than the Washington public elementary schools average of 53% (majority Hispanic).
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