Excellent
#362 of 2,228 schools in WA
Top 16% in state
Islander Middle School
Middle School · Mercer Island School District
8225 SE 72ND, Mercer Island, WA 98040
Enrollment
938
Student-Teacher
20.8:1
Score
8.2
Grades
6th – 8th
Enrollment
938
Student-Teacher
20.8:1
Score
8.2
Grades
6th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Washington schools
#362 of 2,228
In Mercer Island
#6 of 6
public schools
In district
#6 of 6
Mercer Island School District
Equity
9.0 / 10
Excellent
Shortlisting around Islander Middle School?
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Islander Middle School
Middle School in Mercer Island · grades 6th – 8th. Start here, then compare fit against nearby and district options.
Lakeridge Elementary School
0.4 mi away. Use as a geographic alternative in the same move search.
Island Park Elementary
1.2 mi away. Use as a geographic alternative in the same move search.
About Islander Middle School
Islander Middle School is a public middle school in Mercer Island, WA, part of Mercer Island School District. Islander Middle School serves approximately 938 students, and covers grades 6th-8th, and has a 20.8:1 student-teacher ratio. Islander Middle School has a current MySchoolScout rating of 8.2 out of 10 and ranks #362 of 2,228 schools in WA.
Structured state assessment records for Islander Middle School show 79% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
- This school 8.2 · Excellent
- WA avg 6.0
What Parents Should Know
Islander Middle School runs 20.8:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Islander Middle School — Students at Islander Middle School score 73% proficient, which is above what's typical for similar communities (expected: 71%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
7.5%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 34 test records from WA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.7/10.
How Islander Middle School Compares
See how Islander Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
8225 SE 72ND, Mercer Island, WA 98040
Nearby Alternatives
Families considering Islander Middle School may also want to explore other middle schools in the area. Island Park Elementary (rated 9.7/10, 1.2 miles away), which scores notably higher. Another option is Lakeridge Elementary School (rated 9.3/10, 0.4 miles away), which scores notably higher. Additionally, Northwood Elementary School (rated 9.2/10, 2.5 miles away), which scores slightly higher. For more schools in Mercer Island, see our Mercer Island schools guide .
Nearby Schools
20 within 2.1 mi| School | Distance | Rating |
|---|---|---|
| Lakeridge Elementary School Mercer Island | 0.4 mi | 9.3 |
| Island Park Elementary Mercer Island | 1.2 mi | 9.7 |
| NORTHWEST YESHIVA HIGH SCHOOL Mercer Island | 1.5 mi | 6.9 |
| ST MONICA SCHOOL Mercer Island | 2.2 mi | 6.7 |
| Griffin Home Renton | 1.9 mi | — |
| West Mercer Elementary Mercer Island | 2.4 mi | 9.0 |
| Mercer Island High School Mercer Island | 2.4 mi | 8.8 |
| Northwood Elementary School Mercer Island | 2.5 mi | 9.2 |
| Kennydale Elementary School Renton | 2.0 mi | 7.3 |
| Emerson Elementary School Seattle | 2.1 mi | 6.7 |
| Lakeridge Elementary School Seattle | 2.6 mi | 7.1 |
| Bryn Mawr Elementary School Seattle | 2.7 mi | 6.6 |
| DERECH EMUNAH Seattle | 1.9 mi | — |
| DERECH EMUNAH DBA SEATTLE JEWISH GIRLS HIGH SCHOOL Seattle | 1.9 mi | — |
| Rainier Beach High School Seattle | 2.0 mi | 6.8 |
| Graham Hill Elementary School Seattle | 2.0 mi | 7.3 |
| TORAH ACADEMY OF THE PACIFIC NORTHWEST Seattle | 2.2 mi | — |
| PRIVETT ACADEMY Mercer Island | 2.9 mi | — |
| YELLOW WOOD ACADEMY Mercer Island | 2.9 mi | 8.2 |
| Alan T. Sugiyama High School Seattle | 2.1 mi | 5.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 98040 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$202,359
Median Home Value
$1,884,200
Median Rent
$2,464/mo
Population
25,282
College Educated
78.8%
Homeownership
66%
Avg Commute
24.9 min
Poverty Rate
4.6%
Median Age
45.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Drum Intermediate University Pla, WA | 8.2 |
| John Sedgwick Middle School Port Orchard, WA | 8.2 |
| Maywood Middle School Renton, WA | 8.2 |
| Inglewood Middle School Sammamish, WA | 8.1 |
| Rose Hill Middle School Redmond, WA | 8.1 |
| Woodland Middle School Woodland, WA | 8.1 |
Frequently Asked Questions
Common questions about Islander Middle School
What grades does Islander Middle School serve?
Islander Middle School serves students in grades 6th through 8th.
How many students attend Islander Middle School?
Islander Middle School has an enrollment of approximately 938 students.
What is the student-teacher ratio at Islander Middle School?
The student-teacher ratio at Islander Middle School is 20.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Islander Middle School rank in WA?
Islander Middle School ranks #362 of 2,228 schools in WA.
What is Islander Middle School's MySchoolScout rating?
Islander Middle School has a current MySchoolScout rating of 8.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Islander Middle School?
Based on loaded state assessment records, Islander Middle School has 79% math proficiency (multi-year average, 2009-2024) and 80% reading/ELA proficiency (multi-year average, 2009-2024).
Is Islander Middle School a charter school?
No, Islander Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Islander Middle School a Title I school?
No, Islander Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Islander Middle School?
7.5% of students at Islander Middle School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 8th
- Enrollment
- 938
- Student-Teacher Ratio
- 20.8:1
- Teachers (FTE)
- 45
- Free/Reduced Lunch
- 7.5%
- Type
- regular
- Setting
- Large Suburb
- County
- King County
- Chronic Absenteeism (SY 2022-23)
- 5.1%
- Phone
- (206) 236-3413
Resources & Links
District
Mercer Island School District- District Enrollment
- 3,975
- Schools in District
- 6
- Per-Pupil Spending
- $17,288
- District Rank
- #6 of 6
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