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 10%)
Diversity
Most diverse schools (Top 1%)
For the 2025 school year, there is 1 public high school serving 1,465 students in Mercer Island School District.
Public High School in Mercer Island School District have an average math proficiency score of 82% (versus the Washington public high school average of 35%), and reading proficiency score of 94% (versus the 65% statewide average).
Public High School in Mercer Island School District have a Graduation Rate of 92%, which is more than the Washington average of 84%.
The school with highest graduation rate is Mercer Island High School, with 92% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 47% of the student body (majority Asian), which is less than the Washington public high school average of 50% (majority Hispanic).
Overview
This School District
This State (WA)
# Schools
6 Schools
862 Schools
# Students
3,975 Students
392,615 Students
# Teachers
217 Teachers
19,037 Teachers
Student : Teacher Ratio
18:1
18:1
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 2021-2022 school year.
The school district's graduation rate of 92% has decreased from 94% over five school years.
Overall District Rank
#1 out of 307 school districts
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
80%
40%
Reading/Language Arts Test Scores (% Proficient)
85%
53%
Science Test Scores (% Proficient)
81%
49%
Graduation Rate
92%
84%
Students by Ethnicity:
Diversity Score
0.66
0.68
# American Indian Students
4 Students
6,222 Students
% American Indian Students
n/a
2%
# Asian Students
1,088 Students
31,721 Students
% Asian Students
28%
8%
# Hispanic Students
289 Students
98,262 Students
% Hispanic Students
7%
26%
# Black Students
40 Students
18,031 Students
% Black Students
1%
5%
# White Students
1,951 Students
191,731 Students
% White Students
49%
50%
# Hawaiian Students
6 Students
5,281 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
578 Students
32,269 Students
% of Two or more races Students
15%
8%
Students by Grade:
# Students in PK Grade:
38
1,298
# Students in K Grade:
183
1,800
# Students in 1st Grade:
261
1,949
# Students in 2nd Grade:
282
2,043
# Students in 3rd Grade:
279
2,225
# Students in 4th Grade:
256
2,376
# Students in 5th Grade:
273
2,423
# Students in 6th Grade:
326
4,808
# Students in 7th Grade:
306
8,534
# Students in 8th Grade:
306
10,258
# Students in 9th Grade:
337
86,766
# Students in 10th Grade:
357
88,756
# Students in 11th Grade:
370
87,586
# Students in 12th Grade:
401
91,793
# Ungraded Students:
-
-
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 High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Mercer Island High School
(Math: 82% | Reading: 94%)
Rank:
Rank:
10/
Top 1%10
9100 Se 42nd
Mercer Island, WA 98040
(206) 236-3345
Mercer Island, WA 98040
(206) 236-3345
Grades: 9-12
| 1,465 students
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