Island Park Elementary vs Mercer Island High School
A head-to-head comparison of two schools in Washington, United States, 2.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Island Park Elementary
Mercer Island · Public elementary · Grades K–5
364 students
Mercer Island High School
Mercer Island · Public high · Grades 9–12
1,439 students
| Measure | Island Park Elementary Mercer Island, Washington | Mercer Island High School Mercer Island, Washington |
|---|---|---|
| Success Index (US) | 90 Top 5% | 87 Top 5% |
| State rank | #2 of 1,154 | #2 of 333 |
| National rank | #847 of 50,301 | #477 of 16,910 |
| Sector | Public | Public |
| Type | Elementary | High |
| Year range | Grades K–5 | Grades 9–12 |
| Students | 364 | 1,439 |
| Enrollment | 364 | 1,439 |
| Free/reduced-price lunch | 2.2% | 7.1% |
| Students per teacher | 15.2 | 18.9 |
| Reading proficiency | 87% | 99.5% |
| Math proficiency | 83% | 90% |
| city | Mercer Island | Mercer Island |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Island Park Elementary scores higher on the Success Index (US) (89.7 vs 86.7).
- •Mercer Island High School does better on math proficiency (90% vs 83%).
- •Mercer Island High School does better on reading proficiency (99.5% vs 87%).
- •Island Park Elementary does better on community advantage (fewer free/reduced-price lunch) (2.2% vs 7.1%).
- •Island Park Elementary does better on students per teacher (15.2 vs 18.9).
- •Mercer Island High School is the larger school with 1,439 students compared with 364.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Island Park Elementary better than Mercer Island High School?
On the Success Index (US), Island Park Elementary ranks higher (89.7 vs 86.7 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Island Park Elementary and Mercer Island High School?
About 2.0 km in a straight line, between Mercer Island and Mercer Island in Washington.
Which has the better Enrollment?
Island Park Elementary: 364. Mercer Island High School: 1,439. Students enrolled in the latest NCES directory year.
How do Island Park Elementary and Mercer Island High School rank in Washington?
Island Park Elementary is 2nd of 1,154 and Mercer Island High School is 2nd of 333 among elementary schools in Washington on the 2025 Success Index (US).