Boulder High School

Boulder High School is a high-enrollment high school in BOULDER, Colorado, overseen by Boulder Valley School District No. Re2. The school serves 1,939 students in grades 9 through 12. Enrollment runs roughly 209% bigger than the state mean of about 627.

Boulder Valley School District No. Re2 comprises 56 schools with combined enrollment of 27,988 students; Boulder High School is among them.

On the student-mix side, Boulder High School logs that the largest single group is White, at 62% of enrollment; the rest reads as 29% Hispanic, 5% multiracial, 3% Asian. The wider county runs roughly 78% White, putting the school's mix meaningfully less White than the area baseline.

On the resource side, Staff filings list 91 full-time-equivalent teachers, which works out to roughly 21.3:1 students per teacher. The state averages around 16.9:1, so this campus is higher than the state norm typical. Roughly 35% of students at Boulder High School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a residual basis (actual vs predicted given the student mix), Boulder High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 45.8%; this one delivers 58.7%.

In the broader community, Boulder County reports that median household income runs about $103,994, roughly 64% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. Across Boulder County's 86 public schools (combined enrollment of about 42,200 students), Boulder High School is one campus in the mix.

Nearest neighbor: Williamsburg Academy of Colorado, around 0.4 miles off. Counting just inside five miles, 8 other public schools cluster around Boulder High School. Ranking that nearby cluster on reported proficiency puts Boulder High School at 2nd of 7; the average score across the group is 43.6%.

Boulder High School operates from an urban location.

Five-year trend. Over the past 7-year window, the student count ticked down 6%: 2,064 students in 2018 compared to 1,939 in 2025. Hispanic enrollment moved from 22% to 29% across the same window. The student-to-teacher ratio grew from 20.2:1 in 2018 to 21.3:1 today.

On this page, the feed for Boulder High School typically covers fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.