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 5% 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 62% (which is higher than the Colorado state average of 33%). 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 Facts (2025)
- Grades: 9-12
- Enrollment: 2,022 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 34%
- Graduation Rate: 92% (Top 20% in CO)
- Overall Testing Rank: Top 5%
- Math Proficiency: 62% (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
Most improved public schools
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 5% of all 1,748 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
#55 out of 1748 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
62%
33%
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
92%
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 #55 out of 1,748 schools, which ranks it among the top 5% 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?
62% of students have achieved math proficiency (compared to the 33% 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 92%, 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
Review Boulder 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
Recent Articles
Why Single-Sex ÎÛÎÛÂþ» Schools are Growing in Popularity
This article examines the growing trend of single-sex public schools in the United States. It explores the potential benefits, research findings, and controversies surrounding gender-specific education, as well as the factors driving its increasing popularity among parents and educators.
When Teachers Cheat: The Standardized Test Controversies
Teachers across the country are being accused of cheating on standardized tests, using erasers to conveniently change their students’ answers. However, are these teachers driven to cheat because the funding system is flawed?
When Field Trips Turn Deadly: Who is Responsible?
Recent deaths during field trips have parents and school officials questioning the safety of these excursions. Learn about these tragedies and what parameters should be in place to ensure a safe field trip.
