Gilpin County Undivided High School is located on Highway 119 in Black Hawk, Colorado, United States. It is a K–12 school and the only public school in Gilpin County School District RE-1.
Serving 204 students in grades 6-12, Gilpin County Undivided High School ranks in the top 50% of all schools in Colorado for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 30-34% (which is approximately equal to the Colorado state average of 33%). The percentage of students achieving proficiency in reading/language arts is 55-59% (which is higher than the Colorado state average of 45%).
The student-teacher ratio of 11:1 is lower than the Colorado state level of 15:1.
Minority enrollment is 22% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-12
- Enrollment: 204 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 22%
- Graduation Rate: ≥80% (Top 50% in CO)
- Overall Testing Rank: Top 50%
- Math Proficiency: 30-34% (Top 50%)
- Reading Proficiency: 55-59% (Top 30%)
- Science Proficiency: 30-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Gilpin County Undivided High School's student population of 204 students has declined by 15% over five school years.
The teacher population of 18 teachers has grown by 12% over five school years.
Grades Offered
Grades 6-12
(No virtual instruction)
(No virtual instruction)
Total Students
204 students
Gender %
Total Classroom Teachers
18 teachers
School Rankings
Gilpin County Undivided High School ranks within the top 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Gilpin County Undivided High School is 0.37, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#602 out of 1748 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
30-34%
33%
Reading/Language Arts Test Scores (% Proficient)
55-59%
45%
Science Test Scores (% Proficient)
(20-21)30-39%
29%
Student-Teacher Ratio
11:1
15:1
American Indian
n/a
1%
Asian
n/a
3%
Hispanic
11%
36%
Black
1%
5%
White
78%
50%
Hawaiian
n/a
n/a
Two or more races
10%
5%
All Ethnic Groups
Graduation Rate
≥80%
82%
Eligible for Free Lunch
29%
39%
Eligible for Reduced Lunch
4%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Notes
- School Mascot: Eagle
Frequently Asked Questions
What is Gilpin County Undivided High School's ranking?
Gilpin County Undivided High School is ranked #602 out of 1,748 schools, which ranks it among the top 50% of public schools in Colorado.
What schools are Gilpin County Undivided High School often compared to?
Gilpin County Undivided High Schoolis often viewed alongside schools like Clear Creek High School, Golden High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
30-34% of students have achieved math proficiency (compared to the 33% CO state average), while 55-59% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Gilpin County Undivided High School?
The graduation rate of Gilpin County Undivided High School is 80%, which is lower than the Colorado state average of 82%.
How many students attend Gilpin County Undivided High School?
204 students attend Gilpin County Undivided High School.
What is the racial composition of the student body?
78% of Gilpin County Undivided High School students are White, 11% of students are Hispanic, 10% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Gilpin County Undivided High School?
Gilpin County Undivided High School has a student ration of 11:1, which is lower than the Colorado state average of 15:1.
What grades does Gilpin County Undivided High School offer ?
Gilpin County Undivided High School offers enrollment in grades 6-12 (No virtual instruction).
What school district is Gilpin County Undivided High School part of?
Gilpin County Undivided High School is part of Gilpin County School District No. Re-1.
School Reviews
Review Gilpin County Undivided High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
