Enrollment
1,887
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Westminster, CO
Federal NCES profile for Academy of Charter Schools, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Academy of Charter Schools earns 22/100 on the Resource Investment Index, with class sizes larger than 88% of Colorado schools. It is also one of the largest schools in Colorado.
Academy of Charter Schools has class sizes larger than 88% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Academy of Charter Schools ranks #17 of 17 schools in Westminster, CO.
NCES ID 080002000727 Verify on NCES CCD record →
Enrollment
1,887
Colorado · 2024-25 NCES data
Teachers (FTE)
92.0
Federal CCD staff survey
Students per teacher
20.5:1
vs 16.6:1 Colorado avg
+23% vs state
Free-lunch eligible
18.9%
vs 38.5% Colorado avg
-51% vs state
How Academy of Charter Schools compares with Colorado and U.S. medians
Larger classes than state median
20.5:1 - 3.9 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Academy of Charter Schools is a lower-poverty, large charter combined-grade school in Westminster, Colorado, enrolling 1,887 students.
Class loads run heavy: 20.5:1 is larger than about 88% of Colorado schools and 23% above the 16.6:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 18.9% of students eligible for free meals.
By headcount it is one of the larger campuses in Colorado, bigger than 98% of state schools at 1,887 students.
Its Resource Investment Index trails 97% of the 1,922 Colorado schools with a score on record, one of the lower results on this measure.
Among 63 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #59, in the lower tier once campus size and economic need are matched.
Its student body is led by White (55%) and Hispanic or Latino (32%) (diversity index 59/100).
Counselor access is stretched at roughly 510 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 43.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding State Charter School Institute spends $10,869 per pupil, 33% below the Colorado average, a leaner-resourced district than most.
State Charter School Institute also operates The Pinnacle Charter School (1,905 students) and Colorado Early Colleges Douglas County (1,035 students) alongside Academy of Charter Schools.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Academy of Charter Schools on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.5:1 | ▲ 23% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 18.9% | ▼ 51% | 38.5% | 51.7% |
| Enrollment | 1,887 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 54.9% of enrollment.
Simpson diversity index - at 59.1, Academy of Charter Schools is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for State Charter School Institute, which includes Academy of Charter Schools.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| The Pinnacle Charter School | Similar size | Higher economic need | Lower S:T ratio |
| Colorado Early Colleges Douglas County | Smaller | Lower economic need | Higher S:T ratio |
| Colorado Early Colleges Fort Collins | Smaller | Similar economic need | Lower S:T ratio |
| Thomas Maclaren State Charter School | Smaller | Similar economic need | Lower S:T ratio |
| Caprock Academy | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Academy of Charter Schools's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Academy of Charter Schools's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Academy of Charter Schools has 1,887 students enrolled. It is a public school in Westminster, CO.
The student-teacher ratio at Academy of Charter Schools is 20.5:1, which is 23% higher than the Colorado average of 16.6:1 and 31% higher than the national average of 15.7:1.
18.9% of students at Academy of Charter Schools are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Academy of Charter Schools is White at 54.9% of enrollment, in Westminster, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.1/100.
Academy of Charter Schools has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Academy of Charter Schools ranks #17 of 17 schools in Westminster, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Westminster on the city page.
Academy of Charter Schools earns 22/100 on the Resource Investment Index, with class sizes larger than 88% of Colorado schools. It is also one of the largest schools in Colorado. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Academy of Charter Schools, State Charter School Institute also operates The Pinnacle Charter School (1,905 students), Colorado Early Colleges Douglas County (1,035 students), and Colorado Early Colleges Fort Collins (971 students). See the State Charter School Institute district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Academy of Charter Schools, Westminster CO.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/academy-of-charter-schools-co
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