Other / mixed grade configuration · Black Hawk, CO

Gilpin County Undivided High School

Federal NCES profile for Gilpin County Undivided High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.

2024-25 NCES dataOther / mixed grade configurationNCES 080423001298
0/100100/10046/100
👥 S:T ratio
53
🌟 Gifted program
70
🎓 Counselors
61
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Gilpin County Undivided High School earns 46/100 on the Resource Investment Index, with class sizes smaller than 84% of Colorado schools.

46
Resource Index · Typical
11.8:1
small classes for Colorado
22.0%
free-lunch eligible
200
students enrolled

Gilpin County Undivided High School has class sizes smaller than 84% of Colorado schools. Computed live against every Colorado school reporting to NCES.

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

Student-teacher ratio in context

How Gilpin County Undivided High School compares with Colorado and U.S. medians

Smaller classes than state median
0:135:111.8:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Gilpin County Undivided High School

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

How Gilpin County Undivided High School compares

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

11.8:1
Leaner classes than 77% of US schools, among the more generously staffed nationally.
200
Bigger than 20% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
22.0%
free-lunch eligible - 43% 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
11.8:1
students per teacher - 29% below state mean
Top 16% in Colorado - lower ratio than 84% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
44.5%
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
$15,140
per pupil, district-wide - below Colorado avg of $16,273
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 194 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 3 out-of-school
Suspension rate: 4.5 per 100 students. Combined in-school and out-of-school rate: 6.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

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 79.0%
Hispanic or Latino 11.0%
Two or More 9.0%
African American 1.0%

Largest group: White at 79.0% of enrollment.

Student-body diversity index 35.6/100

Simpson diversity index - at 35.6, Gilpin County Undivided High School is less mixed than the Colorado school average of 47.1.

Programs

AP courses offered 5
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Gilpin County School District No. Re-1, which includes Gilpin County Undivided High School.

$15,140
Per student
-7%
vs Colorado
Avg $16,273
-9%
vs U.S.
Avg $16,593
Revenue mix
Local 59.9%
State 36.4%
Federal 3.7%

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 Gilpin County Undivided High School Compares to District-Mates

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.

Other Schools in This District

Gilpin County School District No. Re-1 · 1 sibling school

View district profile

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.

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.

Frequently asked questions about Gilpin County Undivided High School

How many students attend Gilpin County Undivided High School?

Gilpin County Undivided High School has 200 students enrolled. It is a public school in Black Hawk, CO.

What is the student-teacher ratio at Gilpin County Undivided High School?

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.

What percentage of students receive free lunch at Gilpin County Undivided High School?

22.0% of students at Gilpin County Undivided High School are eligible for free lunch, compared to the Colorado average of 38.5%.

What is the racial and ethnic makeup of Gilpin County Undivided High School?

The largest demographic group at Gilpin County Undivided High School is White at 79.0% of enrollment, in Black Hawk, CO.

What is the Resource Investment Index for Gilpin County Undivided High School?

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).

Is Gilpin County Undivided High School a good school?

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.

What other schools are in Gilpin County School District No. Re-1?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.