Boulder High School is a high school in Boulder, Colorado, United States. It is part of the Boulder Valley School District. Boulder High School was founded in 1875 as a preparatory school to the University of Colorado. In 1876, it was the first high school in Colorado to graduate a class.
Serving 2,022 students in grades 9-12, Boulder High School ranks in the top 10% of all schools in Colorado for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 56% (which is higher than the Colorado state average of 32%). The percentage of students achieving proficiency in reading/language arts is 80% (which is higher than the Colorado state average of 45%).
The student:teacher ratio of 20:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 34% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,022 students
- Student:Teacher Ratio: 20:1
- Minority Enrollment: 34%
- Graduation Rate: 95% (Top 20% in CO)
- Overall Testing Rank: Top 10%
- Math Proficiency: 56% (Top 10%)
- Reading Proficiency: 80% (Top 5%)
- Science Proficiency: 57% (Top 5%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Top Rankings
Boulder High School ranks among the top 20% of public schools in Colorado for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Boulder High School's student population of 2,022 students has stayed relatively flat over five school years.
The teacher population of 99 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
2,022 students
Gender %
Total Classroom Teachers
99 teachers
Year Founded
1875
Colors
Purple, Gold
School Calendar
School Rankings
Boulder High School ranks within the top 10% of all 1,779 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Boulder High School is 0.50, 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
#93 out of 1779 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
56%
32%
Reading/Language Arts Test Scores (% Proficient)
80%
45%
Science Test Scores (% Proficient)
(20-21)57%
29%
Student : Teacher Ratio
20:1
15:1
American Indian
n/a
1%
Asian
3%
3%
Hispanic
25%
36%
Black
1%
5%
White
66%
50%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
95%
82%
Eligible for Free Lunch
28%
39%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Boulder High School's ranking?
Boulder High School is ranked #93 out of 1,779 schools, which ranks it among the top 10% of public schools in Colorado.
What schools are Boulder High School often compared to?
Boulder High Schoolis often viewed alongside schools like Fairview High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
56% of students have achieved math proficiency (compared to the 32% CO state average), while 80% of students have achieved reading proficiency (compared to the 45% CO state average).
What is the graduation rate of Boulder High School?
The graduation rate of Boulder High School is 95%, which is higher than the Colorado state average of 82%.
How many students attend Boulder High School?
2,022 students attend Boulder High School.
What is the racial composition of the student body?
66% of Boulder High School students are White, 25% of students are Hispanic, 5% of students are Two or more races, 3% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Boulder High School?
Boulder High School has a student ration of 20:1, which is higher than the Colorado state average of 15:1.
What grades does Boulder High School offer ?
Boulder High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Boulder High School part of?
Boulder High School is part of Boulder Valley School District No. Re2.
School Reviews
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