What ACT score do you need for University of Colorado Boulder?
The 25th–75th percentile band shows where the middle half of admitted students score on the ACT. Numbers come from the U.S. Department of Education's College Scorecard (2024–25 figures).
Where enrolled freshmen score
Share of University of Colorado Boulder's enrolled first-time freshmen in each ACT composite range, from the school's Common Data Set.
University of Colorado Boulder ACT band
25th
29
–
75th
33
Median
28
2021–22
Higher-ACT-average school (top quartile), from 2021–22 figures. Admission rate: 78%.
Peer schools at this band
See your specific admit chance
The band above shows where admitted students scored. Run the admissions-chance tool to see what your specific score means for your chance at University of Colorado Boulder.
Open the admissions-chance toolShare
ACT data from the U.S. Department of Education's College Scorecard (2024–25 figures). Last updated March 7, 2026. Methodology.