Chief Sealth International High School vs Sanislo Elementary School
A head-to-head comparison of two schools in Washington, United States, 1.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Chief Sealth International High School
Seattle · Public high · Grades 9–12
1,184 students
Sanislo Elementary School
Seattle · Public elementary · Grades K–5
145 students
| Measure | Chief Sealth International High School Seattle, Washington | Sanislo Elementary School Seattle, Washington |
|---|---|---|
| Success Index (US) | 52 Top 50% | 32 Lower 50% |
| State rank | #179 of 333 | #1024 of 1,154 |
| National rank | #7746 of 16,910 | #37304 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 1,184 | 145 |
| Enrollment | 1,184 | 145 |
| Free/reduced-price lunch | 51.6% | 66.9% |
| Students per teacher | 19.1 | 11.2 |
| Reading proficiency | 68% | 27% |
| Math proficiency | 41% | 32% |
| city | Seattle | Seattle |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Chief Sealth International High School scores higher on the Success Index (US) (52.4 vs 31.9).
- •Chief Sealth International High School does better on math proficiency (41% vs 32%).
- •Chief Sealth International High School does better on reading proficiency (68% vs 27%).
- •Chief Sealth International High School does better on community advantage (fewer free/reduced-price lunch) (51.6% vs 66.9%).
- •Sanislo Elementary School does better on students per teacher (11.2 vs 19.1).
- •Chief Sealth International High School is the larger school with 1,184 students compared with 145.
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 Chief Sealth International High School better than Sanislo Elementary School?
On the Success Index (US), Chief Sealth International High School ranks higher (52.4 vs 31.9 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 Chief Sealth International High School and Sanislo Elementary School?
About 1.3 km in a straight line, between Seattle and Seattle in Washington.
Which has the better Enrollment?
Chief Sealth International High School: 1,184. Sanislo Elementary School: 145. Students enrolled in the latest NCES directory year.
How do Chief Sealth International High School and Sanislo Elementary School rank in Washington?
Chief Sealth International High School is 179th of 333 and Sanislo Elementary School is 1024th of 1,154 among high schools in Washington on the 2025 Success Index (US).