Islander Middle School vs Rainier Beach High School
A head-to-head comparison of two schools in Washington, United States, 3.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Islander Middle School
Mercer Island · Public middle · Grades 6–8
960 students
Rainier Beach High School
Seattle · Public high · Grades 9–12
854 students
| Measure | Islander Middle School Mercer Island, Washington | Rainier Beach High School Seattle, Washington |
|---|---|---|
| Success Index (US) | 84 Top 10% | 34 Lower 50% |
| State rank | #6 of 363 | #292 of 333 |
| National rank | #911 of 15,369 | #12497 of 16,910 |
| Sector | Public | Public |
| Type | Middle | High |
| Year range | Grades 6–8 | Grades 9–12 |
| Students | 960 | 854 |
| Enrollment | 960 | 854 |
| Free/reduced-price lunch | 7.8% | 66.9% |
| Students per teacher | 21.3 | 19.9 |
| Reading proficiency | 84% | 52% |
| Math proficiency | 81% | 27% |
| city | Mercer Island | Seattle |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Islander Middle School scores higher on the Success Index (US) (83.8 vs 33.7).
- •Islander Middle School does better on math proficiency (81% vs 27%).
- •Islander Middle School does better on reading proficiency (84% vs 52%).
- •Islander Middle School does better on community advantage (fewer free/reduced-price lunch) (7.8% vs 66.9%).
- •Rainier Beach High School does better on students per teacher (19.9 vs 21.3).
- •Islander Middle School is the larger school with 960 students compared with 854.
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 Islander Middle School better than Rainier Beach High School?
On the Success Index (US), Islander Middle School ranks higher (83.8 vs 33.7 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 Islander Middle School and Rainier Beach High School?
About 3.2 km in a straight line, between Mercer Island and Seattle in Washington.
Which has the better Enrollment?
Islander Middle School: 960. Rainier Beach High School: 854. Students enrolled in the latest NCES directory year.
How do Islander Middle School and Rainier Beach High School rank in Washington?
Islander Middle School is 6th of 363 and Rainier Beach High School is 292nd of 333 among middle schools in Washington on the 2025 Success Index (US).