Excellent
#2 of 2,228 schools in WA
Top 1% in state
Island Park Elementary
Elementary School · Mercer Island School District · Mercer Island, WA
A Mercer Island School District elementary school where students score 15 points above what's typical for similar communities.
5437 Island Crest Way, Mercer Island, WA 98040
- Math 89% vs WA 46% (2024)
- Reading 91% vs WA 50% (2024)
- 16.4:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Island Park Elementary score 90% proficient, which is above what's typical for similar communities (expected: 75%).
2024 SBA proficiency
Most recent published year. School vs. WA average.
Trend
→ SteadyProficiency has held near 90% across the 16-year record (2009–2024).
Show all 13 years
Multi-year averages used by the rating model: math 86% (multi-year average, 2009-2024) · reading/ELA 88% (multi-year average, 2009-2024)
Based on 32 test records from WA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
1.9%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Island Park Elementary sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Seattle map →
Getting around & local context
- Walk 24Car-Dependent
- Transit 23Minimal Transit
- Bike 38Somewhat Bikeable
- City Safety: Elevated1,278/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Mercer Island), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$202,359
Median home value
$1,884,200
Median rent
$2,464/mo
College educated
78.8%
Homeownership
66%
Poverty rate
4.6%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 98040; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| St Monica SchoolPrivate · tuition | 6.7private | PK–8 | 1.1 mi | 216 | Compare → |
| West Mercer ElementaryEnrollment path unverified | 9.0 | K–5 | 1.3 mi | 410 | Compare → |
| Northwood Elementary SchoolEnrollment path unverified | 9.2 | PK–5 | 1.4 mi | 398 | Compare → |
| Lakeridge Elementary SchoolEnrollment path unverified | 9.3 | K–5 | 1.5 mi | 403 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Mercer Island School District
- Schools in district
- 6
- Rank in district
- #1 of 6
- District spending per student
- $17,288NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.7%Census SAIPE · 2024
Island Park Elementary is listed in Mercer Island School District; a district label does not verify attendance for an address.
About Island Park Elementary
Island Park Elementary is a public elementary school in Mercer Island, WA, part of Mercer Island School District, serving approximately 361 students in grades Kindergarten-5th with a 16.4:1 student-teacher ratio. It holds a MySchoolScout rating of 9.7 out of 10 and ranks #2 of 2,228 schools in WA. State assessment records show 86% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Island Park Elementary
What grades does Island Park Elementary serve?
Island Park Elementary serves students in grades Kindergarten through 5th.
How many students attend Island Park Elementary?
Island Park Elementary has an enrollment of approximately 361 students.
What is the student-teacher ratio at Island Park Elementary?
The student-teacher ratio at Island Park 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 Island Park Elementary rank in WA?
Island Park Elementary ranks #2 of 2,228 schools in WA.
What is Island Park Elementary's MySchoolScout rating?
Island Park Elementary has a current MySchoolScout rating of 9.7 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 Island Park Elementary?
Based on loaded state assessment records, Island Park Elementary has 86% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).
Is Island Park Elementary a charter school?
No, Island Park Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Island Park Elementary a Title I school?
No, Island Park Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Island Park Elementary?
1.9% of students at Island Park 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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Kindergarten – 5th
- Enrollment
- 361
- Student-Teacher Ratio
- 16.4:1
- Teachers (FTE)
- 22
- Type
- regular
- Setting
- Large Suburb
- County
- King County
- Chronic Absenteeism (SY 2022-23)
- 2.8%
- Phone
- (206) 236-3410
- Area population (ZIP 98040)
- 25,282
- Area average commute
- 24.9 min
- Area median age
- 45.8
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 SBA · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2024 SBA · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 98040; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24
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