Island Park Elementary

Elementary school·Grades K-5 Mercer Island, Washington·98040
Score
—
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No overall score. Washington results are shown as published by OSPI. We are not showing scores for Washington schools until OSPI confirms its licence allows them. How we score schools

Performance (state tests, 2025-26)

% meeting standard on state tests in Washington, all students. Colored bars are green when the school is at or above the average for similar Washington schools.

English language arts
89%
Similar Washington schools ≈ 50%
207 students tested
Math
84%
Similar Washington schools ≈ 47%
207 students tested
Science
88%
Similar Washington schools ≈ 52%
74 students tested
All Washington schools (ELA / math)
51% / 42%
State average across every school type, 2025-26
All 14 published results by grade and test

As published by Office of Superintendent of Public Instruction (OSPI). "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 4AIMhidden (small group)—
English language artsAll gradesAIMhidden (small group)—
English language artsGrade 3SBACbanded—
English language artsGrade 4SBAC83.8—
English language artsGrade 5SBAC91.974
English language artsAll gradesSBAC88.9207
MathGrade 4AIMhidden (small group)—
MathAll gradesAIMhidden (small group)—
MathGrade 3SBACbanded—
MathGrade 4SBAC79.7—
MathGrade 5SBAC82.474
MathAll gradesSBAC83.6207
ScienceGrade 5WCAS87.874
ScienceAll gradesWCAS87.874

School profile

Grades
K-5
Students
361
Type
Elementary school
Charter school
No
Program
Regular

Students

Enrollment
361
Typical elementary school: 402
Free or reduced-price lunch
2%
Typical elementary school: 53%

District and location

City
King County

Contact

Address
5437 Island Crest Way
Mercer Island, WA 98040

"Typical" is the middle (median) elementary school in Washington. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby elementary schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Island Park Elementary at a glance

Island Park Elementary is a public elementary school in Mercer Island, Washington, serving grades K-5. It is part of Mercer Island School District. It has about 361 students (a typical Washington elementary school has 402). About 2% of students are eligible for free or reduced-price lunch, compared with 53% at a typical Washington elementary school, which is useful context when reading test results.

In 2025-26 state tests, 89% in English language arts (similar schools: 50%) and 84% in math (similar schools: 47%) reached the state standard (% meeting standard). Its English language arts result was broadly unchanged from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.