Enrollment
200
Colorado · 2024-25 NCES data
Other / mixed grade configuration · Black Hawk, CO
Federal NCES profile for Gilpin County Undivided High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
The verdict
Gilpin County Undivided High School earns 46/100 on the Resource Investment Index, with class sizes smaller than 84% of Colorado schools.
Gilpin County Undivided High School has class sizes smaller than 84% of Colorado schools. Computed live against every Colorado school reporting to NCES.
NCES ID 080423001298 Verify on NCES CCD record →
Enrollment
200
Colorado · 2024-25 NCES data
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
11.8:1
vs 16.6:1 Colorado avg
-29% vs state
Free-lunch eligible
22.0%
vs 38.5% Colorado avg
-43% vs state
How Gilpin County Undivided High School compares with Colorado and U.S. medians
Smaller classes than state median
11.8:1 - 4.8 below the Colorado state median of 16.6:1, indicating smaller average class loads than typical schools in the state.
Gilpin County Undivided High School is a mid-sized combined-grade school in Black Hawk, Colorado, enrolling 200 students.
Class sizes run a bit leaner than typical: 11.8:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 22.0% of students eligible for free meals.
Enrollment of 200 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 155 statewide peers matched on enrollment and economic need, it ranks mid-pack at #78.
Its student body is led by White (79%) and Hispanic or Latino (11%) (diversity index 36/100).
Counselor coverage is strong, about 194 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 44.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Its district, Gilpin County School District No. Re-1, also runs Gilpin County Elementary School (192 students).
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
Gilpin County Undivided 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 | 11.8:1 | ▼ 29% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 22.0% | ▼ 43% | 38.5% | 51.7% |
| Enrollment | 200 | top 76% | - | - |
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 79.0% of enrollment.
Simpson diversity index - at 35.6, Gilpin County Undivided High School is less mixed than the Colorado school average of 47.1.
District-wide per-pupil expenditure for Gilpin County School District No. Re-1, which includes Gilpin County Undivided 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 |
|---|---|---|---|
| Gilpin County Elementary School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Gilpin County Undivided 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 Gilpin County Undivided 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.
Gilpin County Undivided High School has 200 students enrolled. It is a public school in Black Hawk, CO.
The student-teacher ratio at Gilpin County Undivided High School is 11.8:1, which is 29% lower than the Colorado average of 16.6:1 and 25% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
22.0% of students at Gilpin County Undivided High School are eligible for free lunch, compared to the Colorado average of 38.5%.
The largest demographic group at Gilpin County Undivided High School is White at 79.0% of enrollment, in Black Hawk, CO.
Gilpin County Undivided High School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Gilpin County Undivided High School earns 46/100 on the Resource Investment Index, with class sizes smaller than 84% 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.
Besides Gilpin County Undivided High School, Gilpin County School District No. Re-1 also operates Gilpin County Elementary School (192 students). See the Gilpin County 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, “Gilpin County Undivided High School, Black Hawk 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/gilpin-county-undivided-high-school-co
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