Enrollment
362
Colorado · 2024-25 NCES data
Elementary school (grades K-5) · Carbondale, CO
Federal NCES profile for Carbondale Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Carbondale Middle School earns 45/100 on the Resource Investment Index, with class sizes near the Colorado median.
Carbondale Middle School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Carbondale Middle School ranks #2 of 3 elementary schools in Carbondale, CO.
NCES ID 080426000586 Verify on NCES CCD record →
Enrollment
362
Colorado · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
15.7:1
vs 16.6:1 Colorado avg
-5% vs state
Free-lunch eligible
26.4%
vs 38.5% Colorado avg
-31% vs state
How Carbondale Middle School compares with Colorado and U.S. medians
At or below state median
15.7:1 - 0.9 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Carbondale Middle School is a mid-sized elementary school in Carbondale, Colorado, enrolling 362 students.
At 15.7:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 26.4% of students eligible for free meals.
With 362 students, its enrollment sits close to the Colorado median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 363 statewide peers matched on enrollment and economic need, it ranks mid-pack at #151.
Its student body is led by Hispanic or Latino (50%) and White (45%) (diversity index 55/100).
Counselor availability sits well past the ASCA benchmark, roughly 362 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.8% of students chronically absent per the 2021-22 civil-rights collection.
Roaring Fork School District No. Re-1 also operates Glenwood Springs High School (1,032 students) and Basalt Elementary School (539 students) alongside Carbondale Middle 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
Carbondale Middle 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 | 15.7:1 | ▼ 5% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 26.4% | ▼ 31% | 38.5% | 51.7% |
| Enrollment | 362 | top 50% | - | - |
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 50.3% of enrollment.
Simpson diversity index - at 54.8, Carbondale Middle School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Roaring Fork School District No. Re-1, which includes Carbondale Middle 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 |
|---|---|---|---|
| Glenwood Springs High School | Larger | Similar economic need | Higher S:T ratio |
| Basalt Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Roaring Fork High School | Larger | Similar economic need | Higher S:T ratio |
| Glenwood Springs Elementary School | Similar size | Higher economic need | Lower S:T ratio |
| Crystal River Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Carbondale Middle 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 Carbondale Middle 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.
Carbondale Middle School has 362 students enrolled. It is an elementary school in Carbondale, CO.
The student-teacher ratio at Carbondale Middle School is 15.7:1, which is 5% lower than the Colorado average of 16.6:1 and 0% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
26.4% of students at Carbondale Middle School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Carbondale Middle School is Hispanic or Latino at 50.3% of enrollment, in Carbondale, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.8/100.
Carbondale Middle School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Carbondale Middle School ranks #2 of 3 elementary schools in Carbondale, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Carbondale on the city page.
Carbondale Middle School earns 45/100 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 Carbondale Middle School, Roaring Fork School District No. Re-1 also operates Glenwood Springs High School (1,032 students), Basalt Elementary School (539 students), and Roaring Fork High School (472 students). See the Roaring Fork School District No. Re-1 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, “Carbondale Middle School, Carbondale 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/carbondale-middle-school-co
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