S. Christa McAuliffe STEM Academy vs Union Colony Preparatory School
A head-to-head comparison of two schools in Colorado, United States, 2.4 km apart, using official American 2025 data. The better value in each row is highlighted.
S. Christa McAuliffe STEM Academy
Greeley · Public elementary · Grades K–8
932 students
Union Colony Preparatory School
Greeley · Charter high · Grades 6–12
333 students
| Measure | S. Christa McAuliffe STEM Academy Greeley, Colorado | Union Colony Preparatory School Greeley, Colorado |
|---|---|---|
| Success Index (US) | 42 Lower 50% | 22 Lower 50% |
| State rank | #533 of 993 | #277 of 307 |
| National rank | #30779 of 50,301 | #15033 of 16,910 |
| Sector | Public | Charter |
| Type | Elementary | High |
| Year range | Grades K–8 | Grades 6–12 |
| Students | 932 | 333 |
| Enrollment | 932 | 333 |
| Free/reduced-price lunch | 52% | 61.3% |
| Students per teacher | 19.0 | 20.8 |
| Reading proficiency | 48% | 32% |
| Math proficiency | 37% | 17% |
| city | Greeley | Greeley |
| state | Colorado | Colorado |
| Website | – | – |
The verdict
- •S. Christa McAuliffe STEM Academy scores higher on the Success Index (US) (41.8 vs 21.5).
- •S. Christa McAuliffe STEM Academy does better on math proficiency (37% vs 17%).
- •S. Christa McAuliffe STEM Academy does better on reading proficiency (48% vs 32%).
- •S. Christa McAuliffe STEM Academy does better on community advantage (fewer free/reduced-price lunch) (52% vs 61.3%).
- •S. Christa McAuliffe STEM Academy does better on students per teacher (19.0 vs 20.8).
- •S. Christa McAuliffe STEM Academy is the larger school with 932 students compared with 333.
- •S. Christa McAuliffe STEM Academy is a public school while Union Colony Preparatory School 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 S. Christa McAuliffe STEM Academy better than Union Colony Preparatory School?
On the Success Index (US), S. Christa McAuliffe STEM Academy ranks higher (41.8 vs 21.5 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 S. Christa McAuliffe STEM Academy and Union Colony Preparatory School?
About 2.4 km in a straight line, between Greeley and Greeley in Colorado.
Which has the better Enrollment?
S. Christa McAuliffe STEM Academy: 932. Union Colony Preparatory School: 333. Students enrolled in the latest NCES directory year.
How do S. Christa McAuliffe STEM Academy and Union Colony Preparatory School rank in Colorado?
S. Christa McAuliffe STEM Academy is 533rd of 993 and Union Colony Preparatory School is 277th of 307 among elementary schools in Colorado on the 2025 Success Index (US).