Excellent
#109 of 2,225 schools in WA
Top 5% in state
West Mercer Elementary
Elementary School · Mercer Island School District
4141 81st Ave SE, Mercer Island, WA 98040
Enrollment
410
Student-Teacher
16.4:1
Score
8.8
Grades
Kindergarten – 5th
Enrollment
410
Student-Teacher
16.4:1
Score
8.8
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Mercer Island
#3 of 6
public schools
Washington elementary schools
#105 of 1,202
In district
#3 of 6
Mercer Island School District
Equity
9.8 / 10
Exceptional
About West Mercer Elementary
West Mercer Elementary serves 410 students in kindergarten through fifth grade on Mercer Island, Washington. The school earns a composite score of 9.2 out of 10 — an Exceptional rating — driven by a 9.6 academic score and an 8.9 growth score. Those numbers put West Mercer in rare company: it ranks 58th among 2,225 public schools statewide, outperforming 97% of Washington schools overall.
Within the elementary tier, the standing holds. West Mercer sits 55th among 1,202 elementary schools in Washington — a consistent top-5% position across both the broad and narrow comparisons. On Mercer Island itself, it places third among six public schools.
A student-teacher ratio of 16.4 to 1 keeps class sizes manageable for an elementary campus. The school operates as a regular public school, drawing from the local district without selective admissions. A 9.6 academic score indicates strong proficiency outcomes, while the 8.9 growth score signals that students are making meaningful year-over-year gains — not simply arriving with advantages, but actively building on them.
For families weighing elementary options, West Mercer delivers results that hold up against nearly every school in the state.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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West Mercer Elementary — Students at West Mercer Elementary score 84% proficient, which is above what's typical for similar communities (expected: 70%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
9%
Students qualifying for federal meal assistance
Test Scores WA SBA (2023-24)
Based on 13 test records from WA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.9/10.
How West Mercer Elementary Compares
See how West Mercer Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 81% (2019) to 83% (2024). Reading/ELA proficiency has declined from 89% (2019) to 84% (2024).
Location
4141 81st Ave SE, Mercer Island, WA 98040
Nearby Alternatives
Families considering West Mercer Elementary may also want to explore other elementary schools in the area. Island Park Elementary (rated 9.2/10, 1.3 miles away), which scores slightly higher. Another option is Northwood Elementary School (rated 9.1/10, 0.4 miles away), with a very similar rating. Additionally, Lakeridge Elementary School (rated 8.4/10, 2.7 miles away), with a comparable rating. For more schools in Mercer Island, see our Mercer Island schools guide .
Nearby Schools
20 within 2.4 mi| School | Distance | Rating |
|---|---|---|
| Northwood Elementary School Mercer Island | 0.4 mi | 9.1 |
| ST MONICA SCHOOL Mercer Island | 0.4 mi | 6.7 |
| EARLY WORLD MONTESSORI Mercer Island | 0.8 mi | — |
| Mercer Island High School Mercer Island | 0.6 mi | 7.2 |
| NORTHWEST YESHIVA HIGH SCHOOL Mercer Island | 1.1 mi | 6.9 |
| PRIVETT ACADEMY Mercer Island | 1.0 mi | — |
| CREATIVE LEARNING CENTER LLC Mercer Island | 1.3 mi | — |
| Island Park Elementary Mercer Island | 1.3 mi | 9.2 |
| YELLOW WOOD ACADEMY Mercer Island | 1.1 mi | 8.2 |
| FRENCH AMERICAN SCHOOL OF PUGET SOUND Mercer Island | 1.2 mi | 7.8 |
| Islander Middle School Mercer Island | 2.4 mi | 6.5 |
| Enatai Elementary School Bellevue | 2.0 mi | 6.8 |
| Lakeridge Elementary School Mercer Island | 2.7 mi | 8.4 |
| TORAH ACADEMY OF THE PACIFIC NORTHWEST Seattle | 2.1 mi | — |
| Graham Hill Elementary School Seattle | 2.5 mi | 5.0 |
| Medina Elementary School Medina | 3.1 mi | 8.3 |
| Bellevue High School Bellevue | 2.7 mi | 7.5 |
| DERECH EMUNAH Seattle | 2.6 mi | — |
| DERECH EMUNAH DBA SEATTLE JEWISH GIRLS HIGH SCHOOL Seattle | 2.6 mi | — |
| Orca K-8 School Seattle | 2.4 mi | 4.9 |
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
Community Profile
The community surrounding West Mercer Elementary has a median household income of $202,359. It is a well-educated community where 79% of adults hold a bachelor's degree or higher. The median home value in the area is $1,884,200, with a median rent of $2,464/month. The local poverty rate of 4.6% is relatively low. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Apollo Elementary Renton, WA | 8.8 |
| Bemiss Elementary Spokane, WA | 8.8 |
| Cascade View Elementary School Snoqualmie, WA | 8.8 |
| Catharine Blaine K-8 School Seattle, WA | 8.8 |
| Chambers Elementary University Pla, WA | 8.8 |
| Edwin R Opstad Elementary North Bend, WA | 8.8 |
Compare West Mercer Elementary with similar schools nearby
Side-by-side ratings, test scores, and demographics for the schools parents most often weigh against this one.
Frequently Asked Questions
Common questions about West Mercer Elementary
What grades does West Mercer Elementary serve?
West Mercer Elementary serves students in grades Kindergarten through 5th.
How many students attend West Mercer Elementary?
West Mercer Elementary has an enrollment of approximately 410 students.
What is the student-teacher ratio at West Mercer Elementary?
The student-teacher ratio at West Mercer Elementary is 16.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does West Mercer Elementary rank in WA?
West Mercer Elementary is ranked #109 out of 2,225 schools in WA.
What is West Mercer Elementary's MySchoolScout rating?
West Mercer Elementary has a composite rating of 8.8 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at West Mercer Elementary?
Based on the most recent state assessment data, West Mercer Elementary has 82.7% math proficiency and 85.1% reading/ELA proficiency.
Is West Mercer Elementary a charter school?
No, West Mercer Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is West Mercer Elementary a Title I school?
No, West Mercer Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for West Mercer Elementary?
9.0% of students at West Mercer Elementary 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
- Walk Score
- 28 Car-Dependent
- Transit Score
- 22 Minimal Transit
- Bike Score
- 17 Somewhat Bikeable
- City Safety
- Elevated (1,278/100K)
Powered by 
FBI UCR 2024. City-level (Mercer Island). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 410
- Student-Teacher Ratio
- 16.4:1
- Teachers (FTE)
- 25
- Free/Reduced Lunch
- 9.0%
- Type
- regular
- Setting
- Large Suburb
- County
- King County
- Phone
- (206) 236-3430
- Data Year
- 2023–2024
Resources & Links
District
Mercer Island School District- District Enrollment
- 3,975
- Schools in District
- 6
- Per-Pupil Spending
- $17,288
- District Rank
- #3 of 6
Compare This School
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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