Franklin Phonetic Primary School-Sunnyslope vs Montessori Day Public Schools Chartered - Mountainside
A head-to-head comparison of two elementary schools in Arizona, United States, 1.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Franklin Phonetic Primary School-Sunnyslope
Phoenix · Charter elementary · Grades K–6
78 students
Montessori Day Public Schools Chartered - Mountainside
Phoenix · Charter elementary · Grades K–8
177 students
| Measure | Franklin Phonetic Primary School-Sunnyslope Phoenix, Arizona | Montessori Day Public Schools Chartered - Mountainside Phoenix, Arizona |
|---|---|---|
| Success Index (US) | 33 Lower 50% | 77 Top 25% |
| State rank | #658 of 1,136 | #98 of 1,136 |
| National rank | #36656 of 50,301 | #6715 of 50,301 |
| Sector | Charter | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–6 | Grades K–8 |
| Students | 78 | 177 |
| Enrollment | 78 | 177 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 11.1 | 17.7 |
| Reading proficiency | 34.5% | 82% |
| Math proficiency | 34.5% | 67% |
| city | Phoenix | Phoenix |
| state | Arizona | Arizona |
| Website | – | – |
The verdict
- •Montessori Day Public Schools Chartered - Mountainside scores higher on the Success Index (US) (77.0 vs 32.9).
- •Montessori Day Public Schools Chartered - Mountainside does better on math proficiency (67% vs 34.5%).
- •Montessori Day Public Schools Chartered - Mountainside does better on reading proficiency (82% vs 34.5%).
- •Franklin Phonetic Primary School-Sunnyslope does better on students per teacher (11.1 vs 17.7).
- •Montessori Day Public Schools Chartered - Mountainside is the larger school with 177 students compared with 78.
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 Franklin Phonetic Primary School-Sunnyslope better than Montessori Day Public Schools Chartered - Mountainside?
On the Success Index (US), Montessori Day Public Schools Chartered - Mountainside ranks higher (77.0 vs 32.9 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 Franklin Phonetic Primary School-Sunnyslope and Montessori Day Public Schools Chartered - Mountainside?
About 1.8 km in a straight line, between Phoenix and Phoenix in Arizona.
Which has the better Enrollment?
Franklin Phonetic Primary School-Sunnyslope: 78. Montessori Day Public Schools Chartered - Mountainside: 177. Students enrolled in the latest NCES directory year.
How do Franklin Phonetic Primary School-Sunnyslope and Montessori Day Public Schools Chartered - Mountainside rank in Arizona?
Franklin Phonetic Primary School-Sunnyslope is 658th of 1,136 and Montessori Day Public Schools Chartered - Mountainside is 98th of 1,136 among elementary schools in Arizona on the 2025 Success Index (US).