Best charter schools in Fort Collins (2025)
Publicly funded charter schools. Ranked by the Success Index (US) from official American data; 5 schools in Fort Collins, Colorado. Rank positions shown on each profile are within United States and Colorado.
- 163Axis International AcademyFort Collins · Charter Elementary33.3% Free/reduced-price lunch · 288 students
- 260Colorado Early Colleges Fort CollinsFort Collins · Charter High48% Math proficiency · 971 students
- 355Fort Collins Montessori SchoolFort Collins · Charter Elementary44.5% Math proficiency · 278 students
- 453Mountain Sage Community SchoolFort Collins · Charter Elementary32% Math proficiency · 265 students
- 547Compass Community Collaborative SchoolFort Collins · Charter High22% Math proficiency · 179 students
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Axis International Academy Fort Collins · Elementary · Grades PK–6 | Charter | 63.0 Top 50% | 33.3% Free/reduced-price lunch | 288 |
| 2 | Colorado Early Colleges Fort Collins Fort Collins · High · Grades 6–12 | Charter | 60.0 Top 50% | 48% Math proficiency | 971 |
| 3 | Fort Collins Montessori School Fort Collins · Elementary · Grades PK–6 | Charter | 55.3 Top 50% | 44.5% Math proficiency | 278 |
| 4 | Mountain Sage Community School Fort Collins · Elementary · Grades K–8 | Charter | 53.0 Top 50% | 32% Math proficiency | 265 |
| 5 | Compass Community Collaborative School Fort Collins · High · Grades 6–12 | Charter | 46.9 Lower 50% | 22% Math proficiency | 179 |
Axis International Academy in Fort Collins leads the 2025 list of charter schools in Fort Collins with a Success Index (US) of 63.0. Of the 5 schools shown, 5 are charter.
For the full picture see the wider Colorado charter schools rankings, every school on the Fort Collins page, or the comparison tool to put a shortlist side by side.
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- 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
What is the best charter school in Fort Collins?
Axis International Academy in Fort Collins, Colorado ranks first among charter schools in Fort Collins with a Success Index (US) of 63.0 out of 100 (Enrollment: 288).
How are charter schools in Fort Collins ranked?
Each school's Success Index (US) combines 4 factors: math proficiency (30%), reading proficiency (30%), community advantage (fewer free/reduced-price lunch) (25%), students per teacher (15%). Each factor is a percentile against schools of the same type across United States. Schools with fewer than 60 students are excluded from rankings.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.