Top Rankings
Mercer Island School District ranks among the top 20% of public school district in Washington for:
Category
Attribute
Overall Rank
Highest overall rank (Top 1%)
Math Proficiency
Highest math proficiency (Top 1%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 1%)
Science Proficiency
Highest science proficiency (Top 1%)
Graduation Rate
Highest graduation rate (Top 5%)
Diversity
Most diverse schools (Top 1%)
For the 2025 school year, there is 1 public preschool serving 398 students in Mercer Island School District. This district's average pre testing ranking is 10/10, which is in the top 5% of public pre schools in Washington.
Public Preschool in Mercer Island School District have an average math proficiency score of 72% (versus the Washington public pre school average of 45%), and reading proficiency score of 77% (versus the 49% statewide average).
The top ranked public preschool in Mercer Island School District is Northwood Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking. Minority enrollment is 59% of the student body (majority Asian), which is more than the Washington public preschool average of 54% (majority Hispanic).
Overview
This School District
This State (WA)
# Schools
6 Schools
801 Schools
# Students
3,975 Students
280,418 Students
# Teachers
217 Teachers
17,799 Teachers
Student : Teacher Ratio
18:1
18:1
Student By Grade
District Rank
Mercer Island School District, which is ranked within the top 1% of all 306 school districts in Washington (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 94% has decreased from 95% over five school years.
Overall District Rank
#1 out of 307 school districts
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
79%
41%
Reading/Language Arts Test Scores (% Proficient)
85%
53%
Science Test Scores (% Proficient)
81%
49%
Graduation Rate
94%
84%
Students by Ethnicity:
Diversity Score
0.66
0.71
% American Indian
n/a
1%
% Asian
28%
9%
% Hispanic
7%
26%
% Black
1%
6%
% White
49%
46%
% Hawaiian
n/a
2%
% Two or more races
15%
10%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $20,484 is higher than the state median of $18,796. The school district revenue/student has grown by 5% over four school years.
The school district's spending/student of $18,521 is less than the state median of $19,246. The school district spending/student has grown by 5% over four school years.
Total Revenue
$81 MM
$20,715 MM
Spending
$74 MM
$21,212 MM
Revenue / Student
$20,484
$18,796
Spending / Student
$18,521
$19,246
Best Mercer Island School District Public Preschools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
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
Grades: PK-5
| 398 students
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