David T. Denny International Middle School vs Sanislo Elementary School
A head-to-head comparison of two schools in Washington, United States, 1.2 km apart, using official American 2025 data. The better value in each row is highlighted.
David T. Denny International Middle School
Seattle · Public middle · Grades 6–8
722 students
Sanislo Elementary School
Seattle · Public elementary · Grades K–5
145 students
| Measure | David T. Denny International Middle School Seattle, Washington | Sanislo Elementary School Seattle, Washington |
|---|---|---|
| Success Index (US) | 51 Top 50% | 32 Lower 50% |
| State rank | #201 of 363 | #1024 of 1,154 |
| National rank | #7355 of 15,369 | #37304 of 50,301 |
| Sector | Public | Public |
| Type | Middle | Elementary |
| Year range | Grades 6–8 | Grades K–5 |
| Students | 722 | 145 |
| Enrollment | 722 | 145 |
| Free/reduced-price lunch | 58.3% | 66.9% |
| Students per teacher | 16.4 | 11.2 |
| Reading proficiency | 50% | 27% |
| Math proficiency | 49% | 32% |
| city | Seattle | Seattle |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •David T. Denny International Middle School scores higher on the Success Index (US) (51.3 vs 31.9).
- •David T. Denny International Middle School does better on math proficiency (49% vs 32%).
- •David T. Denny International Middle School does better on reading proficiency (50% vs 27%).
- •David T. Denny International Middle School does better on community advantage (fewer free/reduced-price lunch) (58.3% vs 66.9%).
- •Sanislo Elementary School does better on students per teacher (11.2 vs 16.4).
- •David T. Denny International Middle School is the larger school with 722 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 David T. Denny International Middle School better than Sanislo Elementary School?
On the Success Index (US), David T. Denny International Middle School ranks higher (51.3 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 David T. Denny International Middle School and Sanislo Elementary School?
About 1.2 km in a straight line, between Seattle and Seattle in Washington.
Which has the better Enrollment?
David T. Denny International Middle School: 722. Sanislo Elementary School: 145. Students enrolled in the latest NCES directory year.
How do David T. Denny International Middle School and Sanislo Elementary School rank in Washington?
David T. Denny International Middle School is 201st of 363 and Sanislo Elementary School is 1024th of 1,154 among middle schools in Washington on the 2025 Success Index (US).