Keystone Montessori Charter School vs Kyrene Altadena Middle School
A head-to-head comparison of two schools in Arizona, United States, 2.0 km apart, using official American 2025 data. The better value in each row is highlighted.
Keystone Montessori Charter School
Phoenix · Charter other · Grades 1–9
203 students
Kyrene Altadena Middle School
Phoenix · Public middle · Grades 4–8
857 students
| Measure | Keystone Montessori Charter School Phoenix, Arizona | Kyrene Altadena Middle School Phoenix, Arizona |
|---|---|---|
| Success Index (US) | – Not rated | 70 Top 25% |
| State rank | – | #9 of 203 |
| National rank | – | #3280 of 15,369 |
| Sector | Charter | Public |
| Type | Other | Middle |
| Year range | Grades 1–9 | Grades 4–8 |
| Students | 203 | 857 |
| Enrollment | 203 | 857 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 15.6 | 22.6 |
| Reading proficiency | 82% | 70% |
| Math proficiency | 72% | 70% |
| city | Phoenix | Phoenix |
| state | Arizona | Arizona |
| Website | – | – |
The verdict
- •Keystone Montessori Charter School does better on math proficiency (72% vs 70%).
- •Keystone Montessori Charter School does better on reading proficiency (82% vs 70%).
- •Keystone Montessori Charter School does better on students per teacher (15.6 vs 22.6).
- •Kyrene Altadena Middle School is the larger school with 857 students compared with 203.
- •Keystone Montessori Charter School is a charter school while Kyrene Altadena Middle School 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.
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Frequently asked questions
Is Keystone Montessori Charter School better than Kyrene Altadena Middle School?
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 Keystone Montessori Charter School and Kyrene Altadena Middle School?
About 2.0 km in a straight line, between Phoenix and Phoenix in Arizona.
Which has the better Enrollment?
Keystone Montessori Charter School: 203. Kyrene Altadena Middle School: 857. Students enrolled in the latest NCES directory year.
How do Keystone Montessori Charter School and Kyrene Altadena Middle School rank in Arizona?
Keystone Montessori Charter School is unranked and Kyrene Altadena Middle School is 9th of 203 among other schools in Arizona on the 2025 Success Index (US).