Challenge Charter School vs Greenbrier Elementary School
A head-to-head comparison of two elementary schools in Arizona, United States, 910 m apart, using official American 2025 data. The better value in each row is highlighted.
Challenge Charter School
Glendale · Charter elementary · Grades K–6
364 students
Greenbrier Elementary School
Glendale · Public elementary · Grades PK–6
452 students
| Measure | Challenge Charter School Glendale, Arizona | Greenbrier Elementary School Glendale, Arizona |
|---|---|---|
| Success Index (US) | 77 Top 25% | 69 Top 25% |
| State rank | #96 of 1,136 | #200 of 1,136 |
| National rank | #6621 of 50,301 | #11866 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–6 | Grades PK–6 |
| Students | 364 | 452 |
| Enrollment | 364 | 452 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 15.2 | 15.6 |
| Reading proficiency | 76% | 69% |
| Math proficiency | 67% | 60% |
| city | Glendale | Glendale |
| state | Arizona | Arizona |
| Website | – | – |
The verdict
- •Challenge Charter School scores higher on the Success Index (US) (77.1 vs 69.2).
- •Challenge Charter School does better on math proficiency (67% vs 60%).
- •Challenge Charter School does better on reading proficiency (76% vs 69%).
- •Challenge Charter School does better on students per teacher (15.2 vs 15.6).
- •Greenbrier Elementary School is the larger school with 452 students compared with 364.
- •Challenge Charter School is a charter school while Greenbrier Elementary 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 Challenge Charter School better than Greenbrier Elementary School?
On the Success Index (US), Challenge Charter School ranks higher (77.1 vs 69.2 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 Challenge Charter School and Greenbrier Elementary School?
About 910 m in a straight line, between Glendale and Glendale in Arizona.
Which has the better Enrollment?
Challenge Charter School: 364. Greenbrier Elementary School: 452. Students enrolled in the latest NCES directory year.
How do Challenge Charter School and Greenbrier Elementary School rank in Arizona?
Challenge Charter School is 96th of 1,136 and Greenbrier Elementary School is 200th of 1,136 among elementary schools in Arizona on the 2025 Success Index (US).