Enrollment
245
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Frederick, CO
Carbon Valley Academy
Federal NCES profile for Carbon Valley Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 66/100.
2024-25 NCES dataOther / mixed grade configurationNCES 080537001887Charter school
👥 S:T ratio 51
🌟 Gifted program 70
📋 Attendance 78
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Carbon Valley Academy earns 66/100 on the Resource Investment Index, with class sizes smaller than 81% of Colorado schools.
- #1 of 5
- schools in Frederick · Resource Index
- 66
- Resource Index · Higher
- 12.3:1
- small classes for Colorado
- 30.6%
- free-lunch eligible
Carbon Valley Academy has class sizes smaller than 81% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Carbon Valley Academy ranks #1 of 5 schools in Frederick, CO.
School address
District: St. Vrain Valley School District No. Re1j · Colorado
NCES ID 080537001887 Verify on NCES CCD record →
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
12.3:1
vs 16.6:1 Colorado avg
-26% vs state
Free-lunch eligible
30.6%
vs 38.5% Colorado avg
-21% vs state
Student-teacher ratio in context
How Carbon Valley Academy compares with Colorado and U.S. medians
What stands out at Carbon Valley Academy
Carbon Valley Academy is a mid-sized charter combined-grade school in Frederick, Colorado, enrolling 245 students.
Class sizes run a bit leaner than typical: 12.3:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Its free-meal eligibility rate of 30.6% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
Enrollment of 245 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index outscores 96% of the 1,922 Colorado schools with a score on record, a top-tier result on this measure.
Among 234 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #5, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (51%) and White (46%) (diversity index 53/100).
Attendance holds up well here: only 8.6% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding St. Vrain Valley School District No. Re1j spends $12,559 per pupil, 23% below the Colorado average, a leaner-resourced district than most.
St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students) and Niwot High School (1,509 students) alongside Carbon Valley Academy.
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 Carbon Valley Academy compares
Carbon Valley Academy on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.3:1 | ▼ 26% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 30.6% | ▼ 21% | 38.5% | 51.7% |
| Enrollment | 245 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
245
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
30.6%
free-lunch eligible
- 21% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.3:1
students per teacher
- 26% below state mean
Top 19% in Colorado - lower ratio than 81% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
8.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$12,559
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
Hispanic or Latino 50.6%
White 45.7%
Two or More 2.0%
African American 1.6%
Largest group: Hispanic or Latino at 50.6% of enrollment.
Student-body diversity index 53.4/100
Simpson diversity index - at 53.4, Carbon Valley Academy is more mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for St. Vrain Valley School District No. Re1j, which includes Carbon Valley Academy.
$12,559
Per student
-23%
vs Colorado
Avg $16,273
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 54.1%
State 36.7%
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 Carbon Valley Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Erie High School | Larger | Lower economic need | Higher S:T ratio |
| Niwot High School | Larger | Lower economic need | Higher S:T ratio |
| Frederick Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Longmont High School | Larger | Similar economic need | Higher S:T ratio |
| Soaring Heights Pk-8 | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Carbon Valley Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,727
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
- Enrollment
- 1,509
- Students per teacher
- 26.9:1
- Resource Index
- 32/100
- Enrollment
- 1,491
- Students per teacher
- 25.3:1
- Resource Index
- 32/100
- Enrollment
- 1,268
- Students per teacher
- 20.1:1
- Resource Index
- 37/100
- Enrollment
- 1,211
- Students per teacher
- 17.3:1
- Resource Index
- 46/100
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 (~245 students)
Next steps
Verify locally before acting on Carbon Valley Academy's federal record.
- Compare Carbon Valley Academy against another school. Compare schools
- St. Vrain Valley School District No. 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 Carbon Valley Academy
How many students attend Carbon Valley Academy?
Carbon Valley Academy has 245 students enrolled. It is a public school in Frederick, CO.
What is the student-teacher ratio at Carbon Valley Academy?
The student-teacher ratio at Carbon Valley Academy is 12.3:1, which is 26% lower than the Colorado average of 16.6:1 and 22% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Carbon Valley Academy?
30.6% of students at Carbon Valley Academy are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Carbon Valley Academy?
The largest demographic group at Carbon Valley Academy is Hispanic or Latino at 50.6% of enrollment, in Frederick, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.4/100.
What is the Resource Investment Index for Carbon Valley Academy?
Carbon Valley Academy has a Resource Investment Index of 66/100 (higher 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).
How does Carbon Valley Academy rank among schools in Frederick?
By Resource Investment Index, Carbon Valley Academy ranks #1 of 5 schools in Frederick, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Frederick on the city page.
Is Carbon Valley Academy a good school?
Carbon Valley Academy earns 66/100 on the Resource Investment Index, with class sizes smaller than 81% 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.
What other schools are in St. Vrain Valley School District No. Re1j?
Besides Carbon Valley Academy, St. Vrain Valley School District No. Re1j also operates Erie High School (1,727 students), Niwot High School (1,509 students), and Frederick Senior High School (1,491 students). See the St. Vrain Valley School District No. 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.