Centennial Elementary vs Rocky Ridge Elementary
A head-to-head comparison of two elementary 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
Rocky Ridge Elementary
Graham · Public elementary · Grades K–5
430 students
| Measure | Centennial Elementary Graham, Washington | Rocky Ridge Elementary Graham, Washington |
|---|---|---|
| Success Index (US) | 62 Top 50% | 60 Top 50% |
| State rank | #494 of 1,154 | #526 of 1,154 |
| National rank | #17118 of 50,301 | #18076 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 540 | 430 |
| Enrollment | 540 | 430 |
| Free/reduced-price lunch | 67% | 60.9% |
| Students per teacher | 15.0 | 15.4 |
| Reading proficiency | 65% | 61% |
| Math proficiency | 59% | 58% |
| city | Graham | Graham |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Centennial Elementary scores higher on the Success Index (US) (61.5 vs 60.2).
- •Centennial Elementary does better on math proficiency (59% vs 58%).
- •Centennial Elementary does better on reading proficiency (65% vs 61%).
- •Rocky Ridge Elementary does better on community advantage (fewer free/reduced-price lunch) (60.9% vs 67%).
- •Centennial Elementary does better on students per teacher (15.0 vs 15.4).
- •Centennial Elementary is the larger school with 540 students compared with 430.
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 Rocky Ridge Elementary?
On the Success Index (US), Centennial Elementary ranks higher (61.5 vs 60.2 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 Rocky Ridge Elementary?
About 1.9 km in a straight line, between Graham and Graham in Washington.
Which has the better Enrollment?
Centennial Elementary: 540. Rocky Ridge Elementary: 430. Students enrolled in the latest NCES directory year.
How do Centennial Elementary and Rocky Ridge Elementary rank in Washington?
Centennial Elementary is 494th of 1,154 and Rocky Ridge Elementary is 526th of 1,154 among elementary schools in Washington on the 2025 Success Index (US).