Boulder High School
🇺🇸 Official data · 2025Boulder, Colorado 80302 · Boulder Valley School District No. Re2
#39 of 307 high schools in Colorado
#3120 of 16,910 nationally
About Boulder High School
Boulder High School is a public high located in Boulder, in the Boulder Valley School District No. Re2 school district of Colorado, United States. It caters for Grades 9–12. In 2025 it enrolled 1,939 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 70.7 out of 100, placing it in the top 25% of high schools in United States and 39th of 307 ranked high schools in Colorado. Its strongest component is reading proficiency (86th percentile), and its weakest is students per teacher (13th percentile).
Other published figures: enrollment 1,939.
There are 26 schools in Boulder; Boulder High School ranks 11th of 24 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)66%
- Reading proficiency (30%)81%
- Community advantage (fewer free/reduced-price lunch) (25%)34.5%
- Students per teacher (15%)21.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Boulder High School by the official sources.
- Enrollment
- 1,939
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 34.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 21.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 81%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 66%
- Share of tested students proficient or above (all students, all grades).
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Schools near Boulder High School
Closest schools by straight-line distance, with their Success Index (US).
University Hill Elementary School
Boulder · Public elementary · Grades PK–5
405 students · 958 m away
Whittier Elementary School
Boulder · Public elementary · Grades K–5
269 students · 966 m away
Flatirons Elementary School
Boulder · Public elementary · Grades K–5
163 students · 1.1 km away
Casey Middle School
Boulder · Public middle · Grades 6–8
363 students · 1.2 km away
Mapleton Early Childhood Center
Boulder · Public other · Grades PK–PK
68 students · 1.3 km away
New Vista High School
Boulder · Public high · Grades 9–12
327 students · 1.5 km away
Columbine Elementary School
Boulder · Public elementary · Grades PK–5
369 students · 2.1 km away
Foothill Elementary School
Boulder · Public elementary · Grades K–5
419 students · 2.6 km away
High Peaks Elementary School
Boulder · Public elementary · Grades K–5
257 students · 2.8 km away
Boulder Community School/Integrated Studies
Boulder · Public elementary · Grades K–5
255 students · 2.8 km away
Similar schools
Public high schools in Colorado with a comparable Enrollment.
Castle View High School
Castle Rock · Public high · Grades 9–12
1,938 students
Greeley West High School
Greeley · Public high · Grades 9–12
1,936 students
South High School
Denver · Public high · Grades 9–12
1,950 students
Arvada West High School
Arvada · Public high · Grades 9–12
1,923 students
Horizon High School
Brighton · Public high · Grades 9–12
1,966 students
Fountain-Fort Carson High School
Fountain · Public high · Grades 9–12
1,974 students
Frequently asked questions
Is Boulder High School a good school?
Boulder High School has a Success Index (US) of 70.7 out of 100 (Top 25% of high schools in United States) and ranks #39 of 307 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Boulder High School rank in Colorado?
Boulder High School ranks #39 of 307 high schools in Colorado and #3120 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Boulder High School?
Boulder High School had 1,939 students in 2025.
Is Boulder High School a elementary school or a high school?
Boulder High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Boulder High School?
There are 10 schools within 15 km of Boulder High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.