Enrollment
34
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Marble, CO
Marble Charter School
Federal NCES profile for Marble Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 10/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080447001507Charter school
👥 S:T ratio 0
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Marble Charter School earns 10/100 on the Resource Investment Index, with class sizes larger than 98% of Colorado schools. It is also one of the smallest schools in Colorado.
- 10
- Resource Index · Lower
- 34:1
- large classes for Colorado
- 34
- students enrolled
Marble Charter School has class sizes larger than 98% of Colorado schools. Computed live against every Colorado school reporting to NCES.
School address
District: Gunnison Watershed School District Re1j · Colorado
NCES ID 080447001507 Verify on NCES CCD record →
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
34:1
vs 16.6:1 Colorado avg
+105% vs state
Student-teacher ratio in context
How Marble Charter School compares with Colorado and U.S. medians
What stands out at Marble Charter School
Marble Charter School is a small charter combined-grade school in Marble, Colorado, enrolling 34 students.
Class loads run heavy: 34:1 is larger than about 98% of Colorado schools and 105% above the 16.6:1 state mean, so each teacher carries more students than is typical.
This is a small campus: fewer students than 97% of Colorado schools, with 34 enrolled.
Its Resource Investment Index trails 99% of the 1,922 Colorado schools with a score on record, one of the lower results on this measure.
Its student body is predominantly White (97% of enrollment), among the less diverse in the state (diversity index 6/100).
Chronic absenteeism is elevated: 61.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Gunnison Watershed School District Re1j spends $12,701 per pupil, 22% below the Colorado average, a leaner-resourced district than most.
Gunnison Watershed School District Re1j also operates Gunnison Elementary School (560 students) and Gunnison High School (410 students) alongside Marble Charter 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
How Marble Charter School compares
Marble Charter 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 | 34:1 | ▲ 105% | 16.6:1 | 15.7:1 |
| Enrollment | 34 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
34:1
Leaner classes than 1% of US schools, heavier class loads than most.
34
Bigger than 4% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Staffing depth
34:1
students per teacher
- 105% above state mean
Top 98% in Colorado - lower ratio than 2% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
61.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,701
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 97.1%
Two or More 2.9%
Largest group: White at 97.1% of enrollment.
Student-body diversity index 5.6/100
Simpson diversity index - at 5.6, Marble Charter School is less mixed than the Colorado school average of 47.1.
Programs
Funding & spending
District-wide per-pupil expenditure for Gunnison Watershed School District Re1j, which includes Marble Charter School.
$12,701
Per student
-22%
vs Colorado
Avg $16,273
-23%
vs U.S.
Avg $16,593
Revenue mix
Local 69.7%
State 21.0%
Federal 9.3%
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.
How Marble Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Gunnison Elementary School | Larger | No free-lunch data | Lower S:T ratio |
| Gunnison High School | Larger | No free-lunch data | Lower S:T ratio |
| Crested Butte Secondary School | Larger | No free-lunch data | Lower S:T ratio |
| Gunnison Middle School | Larger | No free-lunch data | Lower S:T ratio |
| Crested Butte Elementary School | Larger | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Marble Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 560
- Students per teacher
- 13.3:1
- Resource Index
- 41/100
- Enrollment
- 410
- Students per teacher
- 17.1:1
- Resource Index
- 55/100
- Enrollment
- 400
- Students per teacher
- 14.3:1
- Resource Index
- 56/100
- Enrollment
- 314
- Students per teacher
- 15:1
- Resource Index
- 38/100
- Enrollment
- 303
- Students per teacher
- 13.2:1
- Resource Index
- 47/100
Similar other schools statewide
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.
Similar enrollment (~34 students)
Next steps
Verify locally before acting on Marble Charter School's federal record.
- Compare Marble Charter School against another school. Compare schools
- Gunnison Watershed School District Re1j's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Marble Charter School
How many students attend Marble Charter School?
Marble Charter School has 34 students enrolled. It is a public school in Marble, CO.
What is the student-teacher ratio at Marble Charter School?
The student-teacher ratio at Marble Charter School is 34:1, which is 105% higher than the Colorado average of 16.6:1 and 117% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Marble Charter School?
The largest demographic group at Marble Charter School is White at 97.1% of enrollment, in Marble, CO.
What is the Resource Investment Index for Marble Charter School?
Marble Charter School has a Resource Investment Index of 10/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Marble Charter School a good school?
Marble Charter School earns 10/100 on the Resource Investment Index, with class sizes larger than 98% of Colorado schools. It is also one of the smallest 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.
What other schools are in Gunnison Watershed School District Re1j?
Besides Marble Charter School, Gunnison Watershed School District Re1j also operates Gunnison Elementary School (560 students), Gunnison High School (410 students), and Crested Butte Secondary School (400 students). See the Gunnison Watershed School District Re1j district page for the complete list.
Related tools
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.