Cinnabar Charter vs Heartwood Charter
A head-to-head comparison of two schools in California, United States, 4.2 km apart, using official American 2025 data. The better value in each row is highlighted.
Cinnabar Charter
Petaluma · Charter elementary · Grades K–8
156 students
Heartwood Charter
Petaluma · Charter other · Grades K–12
739 students
| Measure | Cinnabar Charter Petaluma, California | Heartwood Charter Petaluma, California |
|---|---|---|
| Success Index (US) | 32 Lower 50% | – Not rated |
| State rank | #3151 of 5,693 | – |
| National rank | #37264 of 50,301 | – |
| Sector | Charter | Charter |
| Type | Elementary | Other |
| Year range | Grades K–8 | Grades K–12 |
| Students | 156 | 739 |
| Enrollment | 156 | 739 |
| Free/reduced-price lunch | 83.3% | 36% |
| Students per teacher | 17.3 | 33.6 |
| Reading proficiency | 52% | – |
| Math proficiency | 22% | – |
| city | Petaluma | Petaluma |
| state | California | California |
| Website | – | – |
The verdict
- •Heartwood Charter does better on community advantage (fewer free/reduced-price lunch) (36% vs 83.3%).
- •Cinnabar Charter does better on students per teacher (17.3 vs 33.6).
- •Heartwood Charter is the larger school with 739 students compared with 156.
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 Charter better than Heartwood Charter?
The two schools are very close on the Success Index (US). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Cinnabar Charter and Heartwood Charter?
About 4.2 km in a straight line, between Petaluma and Petaluma in California.
Which has the better Enrollment?
Cinnabar Charter: 156. Heartwood Charter: 739. Students enrolled in the latest NCES directory year.
How do Cinnabar Charter and Heartwood Charter rank in California?
Cinnabar Charter is 3151st of 5,693 and Heartwood Charter is unranked among elementary schools in California on the 2025 Success Index (US).