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Mercer Island High School

Mercer Island School District · High · grades 8-12 · 9100 SE 42nd St, Mercer Island, WA 98040-4107

Location

9100 SE 42nd St, Mercer Island, WA 98040-4107

Academic snapshot

Meeting standard — latest year
83.7%
SBAC ELA+Math combined, 2024-25
Meeting standard — 3-year
79.9%
#6 of 173 high schools region-wide · #1 of 1 in this district
Exceeding standard — latest year
57.7%
SBAC Level 4, the top score band
Exceeding standard — 3-year
55.5%
#7 of 173 high schools region-wide · #1 of 1 in this district
3-year trend

Student outcomes

Graduating in 4 years
96.2%
Of the entering 9th-grade class
Enrolled in college
68.0%
Any 2/4-year, first year after HS
9th graders on track
95.5%
Earned all attempted credits
College-level coursework
80.6%
AP / IB / Running Start / CTE
Regular attendance
77.7%
Missing fewer than 2 days/month

Directly from OSPI Report Card (graduation, postsecondary via ERDC, ninth-grade on track, dual credit, growth, attendance). Latest published year.

Who attends

Students from low-income homes
7.2%
English language learners
2.7%
Highly Capable program
14.5%
Enrollment
1,453
Kids per typical block
Density band: unknown

Teachers

Teachers (latest)
115
Avg years experience
14.9
MA-degree share
80.0%
3-year experience trend

Avg years and MA-degree share are direct OSPI publications; the 3-year trend is our derivation. From data.wa.gov/yp28-ks6d.

Competition and advanced-peer evidence

Aggregated from WHSCA, Washington Science Olympiad, The Blue Alliance, and the Seattle Times National Merit list. "Known counts" only — missing public evidence is not proof of absence.

Highly Capable / gifted pathway

Curated from district Highly Capable program pages, with observed-at dates and confidence labels.

Research dossier

A full research dossier has not been generated for this school yet. A Research Pass still unlocks every paid metric on this page — trajectory, peer percentile, competition evidence, HCC pathway, and PTA capacity — across all schools.

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Sources