Enrollment
399
Colorado · 2024-25 NCES data
High school (grades 9-12) · Thornton, CO
Federal NCES profile for Academy High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Academy High School earns 31/100 on the Resource Investment Index, with class sizes larger than 73% of Colorado schools.
Academy High School has class sizes larger than 73% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Academy High School ranks #3 of 6 high schools in Thornton, CO.
NCES ID 080555001872 Verify on NCES CCD record →
Enrollment
399
Colorado · 2024-25 NCES data
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
18.1:1
vs 16.6:1 Colorado avg
+9% vs state
Free-lunch eligible
44.8%
vs 38.5% Colorado avg
+16% vs state
How Academy High School compares with Colorado and U.S. medians
Slightly above state median
18.1:1 - 1.5 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Academy High School is a mid-sized high school in Thornton, Colorado, enrolling 399 students.
Class loads run somewhat heavier than typical: 18.1:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 44.8% of students eligible for free meals.
With 399 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Against 298 statewide peers matched on enrollment and economic need, it ranks mid-pack at #188.
Its student body is predominantly Hispanic or Latino (86% of enrollment) (diversity index 25/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor availability sits well past the ASCA benchmark, roughly 399 students sharing each counselor, though short of the most stretched campuses.
Discipline events run high: 95 in- and out-of-school suspensions were reported for 399 students in the 2021-22 Civil Rights Data Collection.
Mapleton School District No. 1 in the County of Adams & St also operates York International (776 students) and Explore Pk-8 (557 students) alongside Academy High School.
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 High School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▲ 9% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 44.8% | ▲ 16% | 38.5% | 51.7% |
| Enrollment | 399 | top 43% | - | - |
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: Hispanic or Latino at 86.0% of enrollment.
Simpson diversity index - at 25.2, Academy High School is less mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Mapleton School District No. 1 in the County of Adams & St, which includes Academy High School.
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 |
|---|---|---|---|
| York International | Larger | Similar economic need | Similar S:T ratio |
| Explore Pk-8 | Larger | Similar economic need | Higher S:T ratio |
| Trailside Academy | Similar size | Similar economic need | Higher S:T ratio |
| Monterey Community School | Similar size | Higher economic need | Higher S:T ratio |
| Clayton Partnership School | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Academy High School'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 High School'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 High School has 399 students enrolled. It is a high school in Thornton, CO.
The student-teacher ratio at Academy High School is 18.1:1, which is 9% higher than the Colorado average of 16.6:1 and 15% higher than the national average of 15.7:1.
44.8% of students at Academy High School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Academy High School is Hispanic or Latino at 86.0% of enrollment, in Thornton, CO.
Academy High School has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Academy High School ranks #3 of 6 high schools in Thornton, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Thornton on the city page.
Academy High School earns 31/100 on the Resource Investment Index, with class sizes larger than 73% of Colorado schools. 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 High School, Mapleton School District No. 1 in the County of Adams & St also operates York International (776 students), Explore Pk-8 (557 students), and Trailside Academy (492 students). See the Mapleton School District No. 1 in the County of Adams & St 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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Last updated:
PlainSchools, “Academy High School, Thornton 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-high-school-co
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