Mercer Island High School
Mercer Island, WA · Mercer Island School District
Regular public school · Grades 9-12 · Suburb, large
5th of 437 Washington high schools statewide · better than 99%· Stable
9100 SE 42nd, Mercer Island, WA 98040
(206)236-3345NCES ID 530498000761Directory 2023–24
SchoolRow ranks Mercer Island High School 5th of 437 Washington high schools for 2024–25, based on WA Smarter Balanced / WCAS 2024–25 English and Math results — better than 99% of high schools statewide. Its statewide percentile went from 99th in 2019 to 99th in 2025.
Percent meeting or exceeding the state standard, WA Smarter Balanced / WCAS 2024–25 · 343 students tested
Racial and ethnic breakdown of 1,465 students (2023–24, NCES) — history since 1988, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| White | 74.2% | 53.2% | ▼ 21.0 pts | |
| Asian | 20.5% | 24.8% | ▲ 4.3 pts | |
| Two or more races | 0.6% | 12.8% | ▲ 12.2 pts | |
| Hispanic | 2.5% | 6.6% | ▲ 4.1 pts | |
| Black | 1.5% | 1.4% | ▼ 0.1 pts |
NCES history for this school begins in 1988. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $2.32M in zip 98040 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Mercer Island High School
- #7Newport Senior High SchoolBellevue School District · 2.2 mi away7th of 437
ELA 87% ▼4 · Math 73% ▼4Compare - #14Bellevue High SchoolBellevue School District · 2.4 mi away14th of 437
ELA 85% ▼6 · Math 66% ▼11Compare - #397Rainier Valley Leadership AcademyRainier Valley Leadership Academy · 3.1 mi away · charter397th of 437
ELA 22% ▼69 · Math 10% ▼67Compare - #3International SchoolBellevue School District · 3.2 mi away3rd of 437
ELA 90% ▼1 · Math 84% ▲7Compare - –Bellevue Open Doors ReengagementBellevue School District · 3.3 mi awayCompare
- –Interagency Open DoorsSeattle School District No. 1 · 3.3 mi awayCompare
- #176Franklin High SchoolSeattle School District No. 1 · 3.4 mi away176th of 437
ELA 62% ▼29 · Math 25% ▼52Compare - #105Bellevue Big Picture SchoolBellevue School District · 3.9 mi away105th of 437
ELA 59% ▼32 · Math 43% ▼34Compare
What school district is Mercer Island High School in?
Mercer Island High School is part of the Mercer Island School District district in Mercer Island, Washington.
Is Mercer Island High School a good school?
SchoolRow ranks Mercer Island High School 5th of 437 Washington high schools (better than 99% statewide) based on 2024–25 test results (WA Smarter Balanced / WCAS 2024–25).
What is the racial makeup of Mercer Island High School?
White 53%, Asian 25%, Two or more races 13%, Hispanic 7% (1,465 students, 2023–24).
How much do homes near Mercer Island High School cost?
The typical home value in zip code 98040 is $2.32M as of 2026-05 (Zillow ZHVI).
Sources: state education department data (WA Smarter Balanced / WCAS 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.