Cinnabar Elementary vs Mary Collins Charter School at Cherry Valley
A head-to-head comparison of two elementary schools in California, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Cinnabar Elementary
Petaluma · Public elementary · Grades K–K
20 students
Mary Collins Charter School at Cherry Valley
Petaluma · Charter elementary · Grades K–8
494 students
| Measure | Cinnabar Elementary Petaluma, California | Mary Collins Charter School at Cherry Valley Petaluma, California |
|---|---|---|
| Success Index (US) | 44 Lower 50% | 53 Top 50% |
| State rank | – | #1774 of 5,693 |
| National rank | – | #23414 of 50,301 |
| Sector | Public | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–K | Grades K–8 |
| Students | 20 | 494 |
| Enrollment | 20 | 494 |
| Free/reduced-price lunch | 65% | 26.5% |
| Students per teacher | 20.0 | 27.4 |
| Reading proficiency | – | 60% |
| Math proficiency | – | 38% |
| city | Petaluma | Petaluma |
| state | California | California |
| Website | – | – |
The verdict
- •Mary Collins Charter School at Cherry Valley scores higher on the Success Index (US) (52.5 vs 44.4).
- •Mary Collins Charter School at Cherry Valley does better on community advantage (fewer free/reduced-price lunch) (26.5% vs 65%).
- •Cinnabar Elementary does better on students per teacher (20.0 vs 27.4).
- •Mary Collins Charter School at Cherry Valley is the larger school with 494 students compared with 20.
- •Cinnabar Elementary is a public school while Mary Collins Charter School at Cherry Valley 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 Cinnabar Elementary better than Mary Collins Charter School at Cherry Valley?
On the Success Index (US), Mary Collins Charter School at Cherry Valley ranks higher (52.5 vs 44.4 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 Cinnabar Elementary and Mary Collins Charter School at Cherry Valley?
About 1.9 km in a straight line, between Petaluma and Petaluma in California.
Which has the better Enrollment?
Cinnabar Elementary: 20. Mary Collins Charter School at Cherry Valley: 494. Students enrolled in the latest NCES directory year.
How do Cinnabar Elementary and Mary Collins Charter School at Cherry Valley rank in California?
Cinnabar Elementary is unranked and Mary Collins Charter School at Cherry Valley is 1774th of 5,693 among elementary schools in California on the 2025 Success Index (US).