Dos Rios Elementary vs Union Elementary School
A head-to-head comparison of two elementary schools in Arizona, United States, 2.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Dos Rios Elementary
Tolleson · Public elementary · Grades K–8
614 students
Union Elementary School
Tolleson · Public elementary · Grades PK–2
313 students
| Measure | Dos Rios Elementary Tolleson, Arizona | Union Elementary School Tolleson, Arizona |
|---|---|---|
| Success Index (US) | 21 Lower 50% | 49 Lower 50% |
| State rank | #895 of 1,136 | #457 of 1,136 |
| National rank | #44514 of 50,301 | #26198 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades PK–2 |
| Students | 614 | 313 |
| Enrollment | 614 | 313 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 18.6 | 14.9 |
| Reading proficiency | 33% | – |
| Math proficiency | 28% | – |
| city | Tolleson | Tolleson |
| state | Arizona | Arizona |
| Website | – | – |
The verdict
- •Union Elementary School scores higher on the Success Index (US) (48.5 vs 20.5).
- •Union Elementary School does better on students per teacher (14.9 vs 18.6).
- •Dos Rios Elementary is the larger school with 614 students compared with 313.
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 Dos Rios Elementary better than Union Elementary School?
On the Success Index (US), Union Elementary School ranks higher (48.5 vs 20.5 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 Dos Rios Elementary and Union Elementary School?
About 2.1 km in a straight line, between Tolleson and Tolleson in Arizona.
Which has the better Enrollment?
Dos Rios Elementary: 614. Union Elementary School: 313. Students enrolled in the latest NCES directory year.
How do Dos Rios Elementary and Union Elementary School rank in Arizona?
Dos Rios Elementary is 895th of 1,136 and Union Elementary School is 457th of 1,136 among elementary schools in Arizona on the 2025 Success Index (US).