Enrollment
1,846
Colorado · 2024-25 NCES data
High school (grades 9-12) · Fort Collins, CO
Federal NCES profile for Fossil Ridge High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 60/100.
The verdict
Fossil Ridge High School earns 60/100 on the Resource Investment Index, with class sizes larger than 76% of Colorado schools. It is also one of the largest schools in Colorado.
Fossil Ridge High School has class sizes larger than 76% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Fossil Ridge High School ranks #4 of 5 high schools in Fort Collins, CO.
NCES ID 080399001848 Verify on NCES CCD record →
Enrollment
1,846
Colorado · 2024-25 NCES data
Teachers (FTE)
100.0
Federal CCD staff survey
Students per teacher
18.5:1
vs 16.6:1 Colorado avg
+11% vs state
Free-lunch eligible
7.2%
vs 38.5% Colorado avg
-81% vs state
How Fossil Ridge High School compares with Colorado and U.S. medians
Slightly above state median
18.5:1 - 1.9 above the Colorado state median of 16.6:1, indicating larger average class loads than typical schools in the state.
Fossil Ridge High School is a lower-poverty, large high school in Fort Collins, Colorado, enrolling 1,846 students.
Class loads run somewhat heavier than typical: 18.5:1 puts it in the larger third of Colorado schools by student-teacher ratio.
Comparatively few students face economic hardship here, 7.2% free-meal eligibility runs 81% below the Colorado average.
By headcount it is one of the larger campuses in Colorado, bigger than 98% of state schools at 1,846 students.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Among 46 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #4, a top-tier result once campus size and economic need are matched.
Its student body is led by White (76%) and Hispanic or Latino (12%) (diversity index 40/100).
On the academic-pipeline side it reports 17 Advanced Placement courses.
Counselor coverage is strong, about 205 students per counselor, inside the American School Counselor Association's recommended 250:1.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Poudre School District R-1 also operates Rocky Mountain High School (2,044 students) and Fort Collins High School (1,836 students) alongside Fossil Ridge 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
Fossil Ridge 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 | 18.5:1 | ▲ 11% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 7.2% | ▼ 81% | 38.5% | 51.7% |
| Enrollment | 1,846 | top 2% | - | - |
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 76.1% of enrollment.
Simpson diversity index - at 40.1, Fossil Ridge High School is less mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Poudre School District R-1, which includes Fossil Ridge 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 |
|---|---|---|---|
| Rocky Mountain High School | Similar size | Higher economic need | Similar S:T ratio |
| Fort Collins High School | Similar size | Higher economic need | Lower S:T ratio |
| Liberty Common Charter School | Similar size | No free-lunch data | Higher S:T ratio |
| Timnath Middle-High School | Similar size | Similar economic need | Higher S:T ratio |
| Poudre High School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Fossil Ridge 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 Fossil Ridge 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.
Fossil Ridge High School has 1,846 students enrolled. It is a high school in Fort Collins, CO.
The student-teacher ratio at Fossil Ridge High School is 18.5:1, which is 11% higher than the Colorado average of 16.6:1 and 18% higher than the national average of 15.7:1.
7.2% of students at Fossil Ridge High School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Fossil Ridge High School is White at 76.1% of enrollment, in Fort Collins, CO.
Fossil Ridge High School has a Resource Investment Index of 60/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Fossil Ridge High School ranks #4 of 5 high schools in Fort Collins, 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 Fort Collins on the city page.
Fossil Ridge High School earns 60/100 on the Resource Investment Index, with class sizes larger than 76% 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 Fossil Ridge High School, Poudre School District R-1 also operates Rocky Mountain High School (2,044 students), Fort Collins High School (1,836 students), and Liberty Common Charter School (1,516 students). See the Poudre School District 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, “Fossil Ridge High School, Fort Collins 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/fossil-ridge-high-school-co
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