Flagstaff Charter Academy
Longmont, CO · Middle School · Grades -1-8
Flagstaff Charter Academy is a middle school in Longmont, CO with 772 students enrolled and a 63% proficiency rate. Part of St. Vrain Valley School District No. Re1J. NCES data from the U.S. Department of Education.
Get Flagstaff Charter Academy's new scores when they post
We'll email you the moment Flagstaff Charter Academy changes. No spam — only real updates.
About This School
Flagstaff Charter Academy is a middle school (charter) located in Longmont, Colorado. The school serves 772 students in grades -1-8. The student-to-teacher ratio is 12.9:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading.
16% of students qualify for free or reduced-price lunch.
Flagstaff Charter Academy is part of the St. Vrain Valley School District No. Re1J in Colorado.
How This School Compares
Flagstaff Charter Academy has 772 students enrolled, making it larger than the average school in St. Vrain Valley School District No. Re1J (591 students). Its 63% proficiency rate is 6 percentage points above the district average of 57%. Compared to the Colorado state average of 51%, the school performs 11 points higher. With a 12.9:1 student-teacher ratio, it offers smaller class sizes than the national average.
Other Schools in St. Vrain Valley School District No. Re1J
Frequently Asked Questions
Flagstaff Charter Academy has 772 students enrolled in grades -1-8. The student-to-teacher ratio is 12.9:1.
According to EDFacts data, 63% of students at Flagstaff Charter Academy meet grade-level proficiency standards in combined math and reading assessments.
Flagstaff Charter Academy is part of the St. Vrain Valley School District No. Re1J in Longmont, Colorado. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.