Centennial Elementary vs Cougar Mountain Middle School
A head-to-head comparison of two schools in Washington, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Centennial Elementary
Graham · Public elementary · Grades K–5
540 students
Cougar Mountain Middle School
Graham · Public middle · Grades 6–8
605 students
| Measure | Centennial Elementary Graham, Washington | Cougar Mountain Middle School Graham, Washington |
|---|---|---|
| Success Index (US) | 62 Top 50% | 51 Top 50% |
| State rank | #494 of 1,154 | #205 of 363 |
| National rank | #17118 of 50,301 | #7470 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades K–5 | Grades 6–8 |
| Students | 540 | 605 |
| Enrollment | 540 | 605 |
| Free/reduced-price lunch | 67% | 50.4% |
| Students per teacher | 15.0 | 20.9 |
| Reading proficiency | 65% | 62% |
| Math proficiency | 59% | 39% |
| city | Graham | Graham |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Centennial Elementary scores higher on the Success Index (US) (61.5 vs 50.8).
- •Centennial Elementary does better on math proficiency (59% vs 39%).
- •Centennial Elementary does better on reading proficiency (65% vs 62%).
- •Cougar Mountain Middle School does better on community advantage (fewer free/reduced-price lunch) (50.4% vs 67%).
- •Centennial Elementary does better on students per teacher (15.0 vs 20.9).
- •Cougar Mountain Middle School is the larger school with 605 students compared with 540.
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 Centennial Elementary better than Cougar Mountain Middle School?
On the Success Index (US), Centennial Elementary ranks higher (61.5 vs 50.8 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 Centennial Elementary and Cougar Mountain Middle School?
About 1.9 km in a straight line, between Graham and Graham in Washington.
Which has the better Enrollment?
Centennial Elementary: 540. Cougar Mountain Middle School: 605. Students enrolled in the latest NCES directory year.
How do Centennial Elementary and Cougar Mountain Middle School rank in Washington?
Centennial Elementary is 494th of 1,154 and Cougar Mountain Middle School is 205th of 363 among elementary schools in Washington on the 2025 Success Index (US).