Academy Charter School vs Aspen Ridge Preparatory School
A head-to-head comparison of two elementary schools in Colorado, United States, 74 km apart, using official American 2025 data. The better value in each row is highlighted.
Academy Charter School
Castle Rock · Charter elementary · Grades PK–8
581 students
Aspen Ridge Preparatory School
Erie · Charter elementary · Grades K–8
581 students
| Measure | Academy Charter School Castle Rock, Colorado | Aspen Ridge Preparatory School Erie, Colorado |
|---|---|---|
| Success Index (US) | 72 Top 25% | 49 Lower 50% |
| State rank | #112 of 993 | #426 of 993 |
| National rank | #9908 of 50,301 | #25609 of 50,301 |
| Sector | Charter | Charter |
| Type | Elementary | Elementary |
| Year range | Grades PK–8 | Grades K–8 |
| Students | 581 | 581 |
| Enrollment | 581 | 581 |
| Free/reduced-price lunch | 10.5% | 10.8% |
| Students per teacher | 16.1 | 15.3 |
| Reading proficiency | 68% | 40% |
| Math proficiency | 53% | 35% |
| city | Castle Rock | Erie |
| state | Colorado | Colorado |
| Website | – | – |
The verdict
- •Academy Charter School scores higher on the Success Index (US) (72.0 vs 49.3).
- •Academy Charter School does better on math proficiency (53% vs 35%).
- •Academy Charter School does better on reading proficiency (68% vs 40%).
- •Academy Charter School does better on community advantage (fewer free/reduced-price lunch) (10.5% vs 10.8%).
- •Aspen Ridge Preparatory School does better on students per teacher (15.3 vs 16.1).
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 Academy Charter School better than Aspen Ridge Preparatory School?
On the Success Index (US), Academy Charter School ranks higher (72.0 vs 49.3 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 Academy Charter School and Aspen Ridge Preparatory School?
About 74 km in a straight line, between Castle Rock and Erie in Colorado.
Which has the better Enrollment?
Academy Charter School: 581. Aspen Ridge Preparatory School: 581. Students enrolled in the latest NCES directory year.
How do Academy Charter School and Aspen Ridge Preparatory School rank in Colorado?
Academy Charter School is 112th of 993 and Aspen Ridge Preparatory School is 426th of 993 among elementary schools in Colorado on the 2025 Success Index (US).