Centennial High School vs Rockwood Preparatory Academy
A head-to-head comparison of two schools in Oregon, United States, 2.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Centennial High School
Gresham · Public high · Grades 9–12
1,731 students
Rockwood Preparatory Academy
Portland · Charter elementary · Grades K–5
397 students
| Measure | Centennial High School Gresham, Oregon | Rockwood Preparatory Academy Portland, Oregon |
|---|---|---|
| Success Index (US) | 35 Lower 50% | 20 Lower 50% |
| State rank | #143 of 215 | #601 of 678 |
| National rank | #12296 of 16,910 | #44996 of 50,301 |
| Sector | Public | Charter |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 1,731 | 397 |
| Enrollment | 1,731 | 397 |
| Free/reduced-price lunch | 89.8% | 100% |
| Students per teacher | 27.0 | 20.9 |
| Reading proficiency | 66% | 47% |
| Math proficiency | 30% | 22% |
| city | Gresham | Portland |
| state | Oregon | Oregon |
| Website | – | – |
The verdict
- •Centennial High School scores higher on the Success Index (US) (34.5 vs 19.8).
- •Centennial High School does better on math proficiency (30% vs 22%).
- •Centennial High School does better on reading proficiency (66% vs 47%).
- •Centennial High School does better on community advantage (fewer free/reduced-price lunch) (89.8% vs 100%).
- •Rockwood Preparatory Academy does better on students per teacher (20.9 vs 27.0).
- •Centennial High School is the larger school with 1,731 students compared with 397.
- •Centennial High School is a public school while Rockwood Preparatory Academy is a charter school, so fees and admission rules differ.
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 High School better than Rockwood Preparatory Academy?
On the Success Index (US), Centennial High School ranks higher (34.5 vs 19.8 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 High School and Rockwood Preparatory Academy?
About 2.3 km in a straight line, between Gresham and Portland in Oregon.
Which has the better Enrollment?
Centennial High School: 1,731. Rockwood Preparatory Academy: 397. Students enrolled in the latest NCES directory year.
How do Centennial High School and Rockwood Preparatory Academy rank in Oregon?
Centennial High School is 143rd of 215 and Rockwood Preparatory Academy is 601st of 678 among high schools in Oregon on the 2025 Success Index (US).