Arts Academy at Estrella Mountain vs Union Elementary School
A head-to-head comparison of two elementary schools in Arizona, United States, 1.5 km apart, using official American 2025 data. The better value in each row is highlighted.
Arts Academy at Estrella Mountain
Tolleson · Charter elementary · Grades K–8
895 students
Union Elementary School
Tolleson · Public elementary · Grades PK–2
313 students
| Measure | Arts Academy at Estrella Mountain Tolleson, Arizona | Union Elementary School Tolleson, Arizona |
|---|---|---|
| Success Index (US) | 13 Lower 50% | 49 Lower 50% |
| State rank | #1050 of 1,136 | #457 of 1,136 |
| National rank | #48584 of 50,301 | #26198 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades PK–2 |
| Students | 895 | 313 |
| Enrollment | 895 | 313 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 19.9 | 14.9 |
| Reading proficiency | 28% | – |
| Math proficiency | 21% | – |
| city | Tolleson | Tolleson |
| state | Arizona | Arizona |
| Website | – | – |
The verdict
- •Union Elementary School scores higher on the Success Index (US) (48.5 vs 12.7).
- •Union Elementary School does better on students per teacher (14.9 vs 19.9).
- •Arts Academy at Estrella Mountain is the larger school with 895 students compared with 313.
- •Arts Academy at Estrella Mountain is a charter school while Union 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 Arts Academy at Estrella Mountain better than Union Elementary School?
On the Success Index (US), Union Elementary School ranks higher (48.5 vs 12.7 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 Arts Academy at Estrella Mountain and Union Elementary School?
About 1.5 km in a straight line, between Tolleson and Tolleson in Arizona.
Which has the better Enrollment?
Arts Academy at Estrella Mountain: 895. Union Elementary School: 313. Students enrolled in the latest NCES directory year.
How do Arts Academy at Estrella Mountain and Union Elementary School rank in Arizona?
Arts Academy at Estrella Mountain is 1050th of 1,136 and Union Elementary School is 457th of 1,136 among elementary schools in Arizona on the 2025 Success Index (US).