Enrollment
1,710
Colorado · 2024-25 NCES data
High school (grades 9-12) · Littleton, CO
Federal NCES profile for Columbine High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
The verdict
Columbine High School earns 44/100 on the Resource Investment Index, with class sizes larger than 85% of Colorado schools. It is also one of the largest schools in Colorado.
Columbine High School has class sizes larger than 85% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Columbine High School ranks #5 of 5 high schools in Littleton, CO.
NCES ID 080480000707 Verify on NCES CCD record →
Enrollment
1,710
Colorado · 2024-25 NCES data
Teachers (FTE)
86.0
Federal CCD staff survey
Students per teacher
19.9:1
vs 16.6:1 Colorado avg
+20% vs state
Free-lunch eligible
18.6%
vs 38.5% Colorado avg
-52% vs state
How Columbine High School compares with Colorado and U.S. medians
Larger classes than state median
19.9:1 - 3.3 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Columbine High School is a lower-poverty, large high school in Littleton, Colorado, enrolling 1,710 students.
Class loads run somewhat heavier than typical: 19.9:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 18.6% of students eligible for free meals.
By headcount it is one of the larger campuses in Colorado, bigger than 97% of state schools at 1,710 students.
Its Resource Investment Index lands in the lower third of 1,922 scored Colorado schools.
Among 77 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #63, in the lower tier once campus size and economic need are matched.
Its student body is led by White (64%) and Hispanic or Latino (26%) (diversity index 52/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 342 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 48.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students) and Ralston Valley Senior High School (1,875 students) alongside Columbine 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
Columbine 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 | 19.9:1 | ▲ 20% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 18.6% | ▼ 52% | 38.5% | 51.7% |
| Enrollment | 1,710 | top 3% | - | - |
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: White at 64.2% of enrollment.
Simpson diversity index - at 51.7, Columbine High School is more mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Jefferson County School District No. R-1, which includes Columbine 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 |
|---|---|---|---|
| Arvada West High School | Similar size | Similar economic need | Higher S:T ratio |
| Ralston Valley Senior High School | Similar size | Similar economic need | Higher S:T ratio |
| Chatfield High School | Similar size | Similar economic need | Similar S:T ratio |
| Lakewood High School | Similar size | Higher economic need | Lower S:T ratio |
| Golden High School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Columbine 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 Columbine 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.
Columbine High School has 1,710 students enrolled. It is a high school in Littleton, CO.
The student-teacher ratio at Columbine High School is 19.9:1, which is 20% higher than the Colorado average of 16.6:1 and 27% higher than the national average of 15.7:1.
18.6% of students at Columbine High School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Columbine High School is White at 64.2% of enrollment, in Littleton, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.7/100.
Columbine High School has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Columbine High School ranks #5 of 5 high schools in Littleton, 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 Littleton on the city page.
Columbine High School earns 44/100 on the Resource Investment Index, with class sizes larger than 85% of Colorado schools. It is also one of the largest 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.
Besides Columbine High School, Jefferson County School District No. R-1 also operates Arvada West High School (1,923 students), Ralston Valley Senior High School (1,875 students), and Chatfield High School (1,808 students). See the Jefferson County School District No. R-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, “Columbine High School, Littleton 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/columbine-high-school-co
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