For the 2026 school year, there is 1 public preschool serving 398 students in Mercer Island, WA. The top-ranked public preschool in Mercer Island, WA is Northwood Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mercer Island, WA public preschool have an average math proficiency score of 72% (versus the Washington public pre school average of 46%), and reading proficiency score of 77% (versus the 50% statewide average). Pre schools in Mercer Island have an average ranking of 10/10, which is in the top 5% of Washington public pre schools.
Minority enrollment is 54% of the student body (majority Asian), which is less than the Washington public preschool average of 55% (majority Hispanic).
Best Public Preschools in Mercer Island, WA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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 preschools in Mercer Island, WA?
The top-ranked public preschools in Mercer Island, WA include Northwood Elementary School. Mercer Island has one of the highest concentrations of top-ranked public schools in Washington.
How many public preschools are located in Mercer Island?
1 public preschools are located in Mercer Island.
What is the racial composition of students in Mercer Island?
Mercer Island public preschools minority enrollment is 54% of the student body (majority Asian), which is less than the Washington public preschools average of 55% (majority Hispanic).
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