Mary Collins Charter School at Cherry Valley vs Petaluma Junior High
A head-to-head comparison of two schools in California, United States, 1.3 km apart, using official American 2025 data. The better value in each row is highlighted.
Mary Collins Charter School at Cherry Valley
Petaluma · Charter elementary · Grades K–8
494 students
Petaluma Junior High
Petaluma · Public middle · Grades 7–8
454 students
| Measure | Mary Collins Charter School at Cherry Valley Petaluma, California | Petaluma Junior High Petaluma, California |
|---|---|---|
| Success Index (US) | 53 Top 50% | 51 Top 50% |
| State rank | #1774 of 5,693 | #404 of 1,334 |
| National rank | #23414 of 50,301 | #7435 of 15,369 |
| Sector | Charter | Public |
| Type | Elementary | Middle |
| Year range | Grades K–8 | Grades 7–8 |
| Students | 494 | 454 |
| Enrollment | 494 | 454 |
| Free/reduced-price lunch | 26.5% | 44.7% |
| Students per teacher | 27.4 | 19.7 |
| Reading proficiency | 60% | 56% |
| Math proficiency | 38% | 40% |
| 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 51.0).
- •Petaluma Junior High does better on math proficiency (40% vs 38%).
- •Mary Collins Charter School at Cherry Valley does better on reading proficiency (60% vs 56%).
- •Mary Collins Charter School at Cherry Valley does better on community advantage (fewer free/reduced-price lunch) (26.5% vs 44.7%).
- •Petaluma Junior High does better on students per teacher (19.7 vs 27.4).
- •Mary Collins Charter School at Cherry Valley is the larger school with 494 students compared with 454.
- •Mary Collins Charter School at Cherry Valley is a charter school while Petaluma Junior High is a public 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.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Mary Collins Charter School at Cherry Valley better than Petaluma Junior High?
On the Success Index (US), Mary Collins Charter School at Cherry Valley ranks higher (52.5 vs 51.0 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 Mary Collins Charter School at Cherry Valley and Petaluma Junior High?
About 1.3 km in a straight line, between Petaluma and Petaluma in California.
Which has the better Enrollment?
Mary Collins Charter School at Cherry Valley: 494. Petaluma Junior High: 454. Students enrolled in the latest NCES directory year.
How do Mary Collins Charter School at Cherry Valley and Petaluma Junior High rank in California?
Mary Collins Charter School at Cherry Valley is 1774th of 5,693 and Petaluma Junior High is 404th of 1,334 among elementary schools in California on the 2025 Success Index (US).