Alder Elementary School vs Rockwood Preparatory Academy
A head-to-head comparison of two elementary schools in Oregon, United States, 863 m apart, using official American 2025 data. The better value in each row is highlighted.
Alder Elementary School
Portland · Public elementary · Grades K–5
340 students
Rockwood Preparatory Academy
Portland · Charter elementary · Grades K–5
397 students
| Measure | Alder Elementary School Portland, Oregon | Rockwood Preparatory Academy Portland, Oregon |
|---|---|---|
| Success Index (US) | 14 Lower 50% | 20 Lower 50% |
| State rank | #651 of 678 | #601 of 678 |
| National rank | #48195 of 50,301 | #44996 of 50,301 |
| Sector | Public | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 340 | 397 |
| Enrollment | 340 | 397 |
| Free/reduced-price lunch | 98.8% | 100% |
| Students per teacher | 13.1 | 20.9 |
| Reading proficiency | 14% | 47% |
| Math proficiency | 9% | 22% |
| city | Portland | Portland |
| state | Oregon | Oregon |
| Website | – | – |
The verdict
- •Rockwood Preparatory Academy scores higher on the Success Index (US) (19.8 vs 13.7).
- •Rockwood Preparatory Academy does better on math proficiency (22% vs 9%).
- •Rockwood Preparatory Academy does better on reading proficiency (47% vs 14%).
- •Alder Elementary School does better on community advantage (fewer free/reduced-price lunch) (98.8% vs 100%).
- •Alder Elementary School does better on students per teacher (13.1 vs 20.9).
- •Rockwood Preparatory Academy is the larger school with 397 students compared with 340.
- •Alder Elementary 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 Alder Elementary School better than Rockwood Preparatory Academy?
On the Success Index (US), Rockwood Preparatory Academy ranks higher (19.8 vs 13.7 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 Alder Elementary School and Rockwood Preparatory Academy?
About 863 m in a straight line, between Portland and Portland in Oregon.
Which has the better Enrollment?
Alder Elementary School: 340. Rockwood Preparatory Academy: 397. Students enrolled in the latest NCES directory year.
How do Alder Elementary School and Rockwood Preparatory Academy rank in Oregon?
Alder Elementary School is 651st of 678 and Rockwood Preparatory Academy is 601st of 678 among elementary schools in Oregon on the 2025 Success Index (US).