Enrollment
393
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Thornton, CO
Federal NCES profile for Mapleton Expeditionary School of the Arts, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
The verdict
Mapleton Expeditionary School of the Arts earns 57/100 on the Resource Investment Index, with class sizes near the Colorado median.
Mapleton Expeditionary School of the Arts has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Mapleton Expeditionary School of the Arts ranks #2 of 21 schools in Thornton, CO.
NCES ID 080555001857 Verify on NCES CCD record →
Enrollment
393
Colorado · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
14:1
vs 16.6:1 Colorado avg
-16% vs state
Free-lunch eligible
42.7%
vs 38.5% Colorado avg
+11% vs state
How Mapleton Expeditionary School of the Arts compares with Colorado and U.S. medians
Smaller classes than state median
14:1 - 2.6 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Mapleton Expeditionary School of the Arts is a mid-sized combined-grade school in Thornton, Colorado, enrolling 393 students.
Class sizes run a bit leaner than typical: 14:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 42.7% of students eligible for free meals.
With 393 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Among 303 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #23, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (80%) and White (13%) (diversity index 34/100).
Discipline events run high: 89 in- and out-of-school suspensions were reported for 393 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 Mapleton Expeditionary School of the Arts.
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
Mapleton Expeditionary School of the Arts on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 16% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 42.7% | ▲ 11% | 38.5% | 51.7% |
| Enrollment | 393 | top 44% | - | - |
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 79.9% of enrollment.
Simpson diversity index - at 34.3, Mapleton Expeditionary School of the Arts 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 Mapleton Expeditionary School of the Arts.
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 | Higher S:T ratio |
| Explore Pk-8 | Larger | Similar economic need | Higher S:T ratio |
| Trailside Academy | Larger | 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 | Higher S:T ratio |
Comparisons are relative to Mapleton Expeditionary School of the Arts'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 Mapleton Expeditionary School of the Arts'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.
Mapleton Expeditionary School of the Arts has 393 students enrolled. It is a public school in Thornton, CO.
The student-teacher ratio at Mapleton Expeditionary School of the Arts is 14:1, which is 16% lower than the Colorado average of 16.6:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
42.7% of students at Mapleton Expeditionary School of the Arts are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Mapleton Expeditionary School of the Arts is Hispanic or Latino at 79.9% of enrollment, in Thornton, CO.
Mapleton Expeditionary School of the Arts has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, AP course offerings. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Mapleton Expeditionary School of the Arts ranks #2 of 21 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 schools in Thornton on the city page.
Mapleton Expeditionary School of the Arts earns 57/100 on the Resource Investment Index, with class sizes near the Colorado median. 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 Mapleton Expeditionary School of the Arts, 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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PlainSchools, “Mapleton Expeditionary School of the Arts, 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/mapleton-expeditionary-school-of-the-arts-co
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