Mountainside School vs Thomas Edison - South
A head-to-head comparison of two elementary schools in Utah, United States, 9.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Mountainside School
Mendon · Public elementary · Grades PK–6
514 students
Thomas Edison - South
Nibley · Charter elementary · Grades K–8
699 students
| Measure | Mountainside School Mendon, Utah | Thomas Edison - South Nibley, Utah |
|---|---|---|
| Success Index (US) | 70 Top 25% | 55 Top 50% |
| State rank | #63 of 580 | #264 of 580 |
| National rank | #11174 of 50,301 | #21620 of 50,301 |
| Sector | Public | Charter |
| Type | Elementary | Elementary |
| Year range | Grades PK–6 | Grades K–8 |
| Students | 514 | 699 |
| Enrollment | 514 | 699 |
| Free/reduced-price lunch | 18.3% | 25.9% |
| Students per teacher | 21.4 | 19.4 |
| Reading proficiency | 60% | 49% |
| Math proficiency | 70% | 50% |
| city | Mendon | Nibley |
| state | Utah | Utah |
| Website | – | – |
The verdict
- •Mountainside School scores higher on the Success Index (US) (70.2 vs 55.1).
- •Mountainside School does better on math proficiency (70% vs 50%).
- •Mountainside School does better on reading proficiency (60% vs 49%).
- •Mountainside School does better on community advantage (fewer free/reduced-price lunch) (18.3% vs 25.9%).
- •Thomas Edison - South does better on students per teacher (19.4 vs 21.4).
- •Thomas Edison - South is the larger school with 699 students compared with 514.
- •Mountainside School is a public school while Thomas Edison - South is a charter 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 Mountainside School better than Thomas Edison - South?
On the Success Index (US), Mountainside School ranks higher (70.2 vs 55.1 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 Mountainside School and Thomas Edison - South?
About 9.1 km in a straight line, between Mendon and Nibley in Utah.
Which has the better Enrollment?
Mountainside School: 514. Thomas Edison - South: 699. Students enrolled in the latest NCES directory year.
How do Mountainside School and Thomas Edison - South rank in Utah?
Mountainside School is 63rd of 580 and Thomas Edison - South is 264th of 580 among elementary schools in Utah on the 2025 Success Index (US).