Miwok Valley Elementary Charter vs River Montessori Elementary Charter
A head-to-head comparison of two elementary schools in California, United States, 2.4 km apart, using official American 2025 data. The better value in each row is highlighted.
Miwok Valley Elementary Charter
Petaluma · Charter elementary · Grades K–6
288 students
River Montessori Elementary Charter
Petaluma · Charter elementary · Grades K–6
144 students
| Measure | Miwok Valley Elementary Charter Petaluma, California | River Montessori Elementary Charter Petaluma, California |
|---|---|---|
| Success Index (US) | 32 Lower 50% | 42 Lower 50% |
| State rank | #3177 of 5,693 | #2420 of 5,693 |
| National rank | #37428 of 50,301 | #30896 of 50,301 |
| Sector | Charter | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–6 | Grades K–6 |
| Students | 288 | 144 |
| Enrollment | 288 | 144 |
| Free/reduced-price lunch | 64.6% | 24.3% |
| Students per teacher | 20.6 | 28.8 |
| Reading proficiency | 42% | 47% |
| Math proficiency | 32% | 17% |
| city | Petaluma | Petaluma |
| state | California | California |
| Website | – | – |
The verdict
- •River Montessori Elementary Charter scores higher on the Success Index (US) (41.6 vs 31.7).
- •Miwok Valley Elementary Charter does better on math proficiency (32% vs 17%).
- •River Montessori Elementary Charter does better on reading proficiency (47% vs 42%).
- •River Montessori Elementary Charter does better on community advantage (fewer free/reduced-price lunch) (24.3% vs 64.6%).
- •Miwok Valley Elementary Charter does better on students per teacher (20.6 vs 28.8).
- •Miwok Valley Elementary Charter is the larger school with 288 students compared with 144.
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 Miwok Valley Elementary Charter better than River Montessori Elementary Charter?
On the Success Index (US), River Montessori Elementary Charter ranks higher (41.6 vs 31.7 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 Miwok Valley Elementary Charter and River Montessori Elementary Charter?
About 2.4 km in a straight line, between Petaluma and Petaluma in California.
Which has the better Enrollment?
Miwok Valley Elementary Charter: 288. River Montessori Elementary Charter: 144. Students enrolled in the latest NCES directory year.
How do Miwok Valley Elementary Charter and River Montessori Elementary Charter rank in California?
Miwok Valley Elementary Charter is 3177th of 5,693 and River Montessori Elementary Charter is 2420th of 5,693 among elementary schools in California on the 2025 Success Index (US).