Altona Middle School vs Horizon Middle School
A head-to-head comparison of two middle schools in Colorado, United States, 65 km apart, using official American 2025 data. The better value in each row is highlighted.
Altona Middle School
Longmont · Public middle · Grades 6–8
715 students
Horizon Middle School
Aurora · Public middle · Grades 6–8
714 students
| Measure | Altona Middle School Longmont, Colorado | Horizon Middle School Aurora, Colorado |
|---|---|---|
| Success Index (US) | 75 Top 25% | 31 Lower 50% |
| State rank | #14 of 262 | #188 of 262 |
| National rank | #2367 of 15,369 | #11672 of 15,369 |
| Sector | Public | Public |
| Type | Middle | Middle |
| Year range | Grades 6–8 | Grades 6–8 |
| Students | 715 | 714 |
| Enrollment | 715 | 714 |
| Free/reduced-price lunch | 23.5% | 59.4% |
| Students per teacher | 18.8 | 14.6 |
| Reading proficiency | 74% | 36% |
| Math proficiency | 60% | 22% |
| city | Longmont | Aurora |
| state | Colorado | Colorado |
| Website | – | – |
The verdict
- •Altona Middle School scores higher on the Success Index (US) (74.9 vs 31.3).
- •Altona Middle School does better on math proficiency (60% vs 22%).
- •Altona Middle School does better on reading proficiency (74% vs 36%).
- •Altona Middle School does better on community advantage (fewer free/reduced-price lunch) (23.5% vs 59.4%).
- •Horizon Middle School does better on students per teacher (14.6 vs 18.8).
- •Altona Middle School is the larger school with 715 students compared with 714.
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 Altona Middle School better than Horizon Middle School?
On the Success Index (US), Altona Middle School ranks higher (74.9 vs 31.3 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 Altona Middle School and Horizon Middle School?
About 65 km in a straight line, between Longmont and Aurora in Colorado.
Which has the better Enrollment?
Altona Middle School: 715. Horizon Middle School: 714. Students enrolled in the latest NCES directory year.
How do Altona Middle School and Horizon Middle School rank in Colorado?
Altona Middle School is 14th of 262 and Horizon Middle School is 188th of 262 among middle schools in Colorado on the 2025 Success Index (US).