Altona Middle School vs Flagstaff Charter Academy
A head-to-head comparison of two schools in Colorado, United States, 3.0 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
Flagstaff Charter Academy
Longmont · Charter elementary · Grades PK–8
725 students
| Measure | Altona Middle School Longmont, Colorado | Flagstaff Charter Academy Longmont, Colorado |
|---|---|---|
| Success Index (US) | 75 Top 25% | 72 Top 25% |
| State rank | #14 of 262 | #118 of 993 |
| National rank | #2367 of 15,369 | #10248 of 50,301 |
| Sector | Public | Charter |
| Type | Middle | Elementary |
| Year range | Grades 6–8 | Grades PK–8 |
| Students | 715 | 725 |
| Enrollment | 715 | 725 |
| Free/reduced-price lunch | 23.5% | 19.4% |
| Students per teacher | 18.8 | 13.2 |
| Reading proficiency | 74% | 64% |
| Math proficiency | 60% | 49% |
| city | Longmont | Longmont |
| state | Colorado | Colorado |
| Website | – | – |
The verdict
- •Altona Middle School scores higher on the Success Index (US) (74.9 vs 71.5).
- •Altona Middle School does better on math proficiency (60% vs 49%).
- •Altona Middle School does better on reading proficiency (74% vs 64%).
- •Flagstaff Charter Academy does better on community advantage (fewer free/reduced-price lunch) (19.4% vs 23.5%).
- •Flagstaff Charter Academy does better on students per teacher (13.2 vs 18.8).
- •Flagstaff Charter Academy is the larger school with 725 students compared with 715.
- •Altona Middle School is a public school while Flagstaff Charter Academy 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.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Altona Middle School better than Flagstaff Charter Academy?
On the Success Index (US), Altona Middle School ranks higher (74.9 vs 71.5 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 Altona Middle School and Flagstaff Charter Academy?
About 3.0 km in a straight line, between Longmont and Longmont in Colorado.
Which has the better Enrollment?
Altona Middle School: 715. Flagstaff Charter Academy: 725. Students enrolled in the latest NCES directory year.
How do Altona Middle School and Flagstaff Charter Academy rank in Colorado?
Altona Middle School is 14th of 262 and Flagstaff Charter Academy is 118th of 993 among middle schools in Colorado on the 2025 Success Index (US).