School Overview
Boulder High School, located at 1604 Arapahoe Avenue in the heart of Boulder, Colorado, is a historic public secondary school serving students in grades 9 through 12. As a flagship institution within the Boulder Valley School District, the school is well-regarded for its strong academic curriculum, which includes a wide array of Advanced Placement (AP) courses, diverse elective offerings, and specialized programs designed to challenge a high-achieving student body. Beyond the classroom, the school is deeply integrated into the local community and is known for a vibrant culture that balances rigorous scholastic expectations with a commitment to student well-being and personal growth.

The school’s campus is iconic for its traditional architecture and prominent position near the University of Colorado Boulder, fostering an environment that encourages lifelong learning and civic engagement. Boulder High maintains a competitive athletics program and a broad spectrum of extracurricular activities—ranging from arts and music to competitive robotics and social justice clubs—that cater to a wide variety of student interests. By emphasizing both academic excellence and a comprehensive student experience, the school consistently prepares its graduates for success in higher education and professional pathways, remaining a focal point of the Boulder community.
2,074
Total Students
102.9
Full-Time Teachers
20.2
Student/Teacher Ratio
32.3%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for Boulder High School
Demographic Student Count
White1,376
Hispanic502
Black19
Asian61
Two or More112
American Indian3
Pacific Islander1
  • White
    1,376 (66.3 %)
  • Hispanic
    502 (24.2 %)
  • Two or More
    112 (5.4 %)
  • Asian
    61 (2.9 %)
  • Black
    19 (0.9 %)
  • American Indian
    3 (0.1 %)
  • Pacific Islander
    1 (0.0 %)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: Boulder Valley School District No. Re2
Phone: (720)561-2200
Grade Range: 9th - 12th
Total Students: 2,074
Full-Time Teachers (FTE): 102.9
Pupil/Teacher Ratio: 20.2
NSLP Participation:1 Yes under Community Eligibility Option (CEO)
Qualified Free Lunch: 618
Qualified Reduced Lunch: 51
Grades Taught
Grade 9 565
Grade 10 509
Grade 11 504
Grade 12 496

Grades Taught Data Table

Grades Taught and Student Counts for Boulder High School
Grade Student Count
Grade 9565
Grade 10509
Grade 11504
Grade 12496
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for Boulder High School
Gender Student Count Percentage
Female1,04650.4%
Male1,02849.6%