Flagstaff Charter Academy
🇺🇸 Official data · 2025Longmont, Colorado 80501 · St. Vrain Valley School District No. Re1J
#118 of 993 elementary schools in Colorado
#10248 of 50,301 nationally
About Flagstaff Charter Academy
Flagstaff Charter Academy is a charter elementary located in Longmont, in the St. Vrain Valley School District No. Re1J school district of Colorado, United States. It caters for Grades PK–8. In 2025 it enrolled 725 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 71.5 out of 100, placing it in the top 25% of elementary schools in United States and 118th of 993 ranked elementary schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (90th percentile), and its weakest is math proficiency (53th percentile).
Other published figures: enrollment 725.
There are 27 schools in Longmont; Flagstaff Charter Academy ranks 4th of 26 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)49%
- Reading proficiency (30%)64%
- Community advantage (fewer free/reduced-price lunch) (25%)19.4%
- Students per teacher (15%)13.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Flagstaff Charter Academy by the official sources.
- Enrollment
- 725
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 19.4%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 64%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 49%
- Share of tested students proficient or above (all students, all grades).
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
Schools near Flagstaff Charter Academy
Closest schools by straight-line distance, with their Success Index (US).
Sunset Middle School
Longmont · Public middle · Grades 6–8
316 students · 705 m away
Indian Peaks Elementary School
Longmont · Public elementary · Grades PK–5
214 students · 811 m away
Twin Peaks Classical Academy
Longmont · Charter other · Grades K–12
879 students · 1.7 km away
Burlington Elementary School
Longmont · Public elementary · Grades PK–5
320 students · 1.8 km away
St. Vrain Community Montessori School
Longmont · Charter elementary · Grades PK–8
260 students · 2.2 km away
Eagle Crest Elementary School
Longmont · Public elementary · Grades PK–5
421 students · 2.8 km away
Altona Middle School
Longmont · Public middle · Grades 6–8
715 students · 3.0 km away
Central Elementary School
Longmont · Public elementary · Grades PK–5
344 students · 3.3 km away
Silver Creek High School
Longmont · Public high · Grades 9–12
1,208 students · 3.6 km away
Blue Mountain Elementary
Longmont · Public elementary · Grades PK–5
542 students · 3.9 km away
Similar schools
Charter elementary schools in Colorado with a comparable Enrollment.
Jefferson Academy Elementary
Broomfield · Charter elementary · Grades PK–6
737 students
Parker Core Knowledge
Parker · Charter elementary · Grades K–8
705 students
Rocky Mountain Prep: Fletcher
Aurora · Charter elementary · Grades PK–5
701 students
Landmark Academy at Reunion
Commerce City · Charter elementary · Grades K–8
758 students
Foundations Academy
Brighton · Charter elementary · Grades K–8
763 students
North Star Academy
Parker · Charter elementary · Grades K–8
684 students
Frequently asked questions
Is Flagstaff Charter Academy a good school?
Flagstaff Charter Academy has a Success Index (US) of 71.5 out of 100 (Top 25% of elementary schools in United States) and ranks #118 of 993 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Flagstaff Charter Academy rank in Colorado?
Flagstaff Charter Academy ranks #118 of 993 elementary schools in Colorado and #10248 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Flagstaff Charter Academy?
Flagstaff Charter Academy had 725 students in 2025.
Is Flagstaff Charter Academy a elementary school or a high school?
Flagstaff Charter Academy is classified as a elementary covering Grades PK–8. It is a charter school.
What other schools are near Flagstaff Charter Academy?
There are 10 schools within 15 km of Flagstaff Charter Academy; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.