Columbine High School
#38
Best ACT in Colorado High Schools
1,686
Students
19.5:1
S:T Ratio
School Snapshot
Key metrics at a glance1,210
A-
27
A
23
A+
28%
C
20:1
B-
92%
A+
71%
A-
45%
B-
This Week at Columbine – June 19, 2026
225 students practicing on Varsity Tutors
Academic Pathways
Explore 180 courses in the 2025-26 catalog for Columbine High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Columbine High School.
National Tests
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
June 24, 2026
ACT
July 1, 2026 – July 31, 2026
AP Score Release — All
July 6, 2026
ACT Photo Upload/Standby Deadline
July 11, 2026
ACT — National
After Columbine High
Where graduates go and what they studyColorado State University
University of Colorado Boulder
Colorado Mesa University
Metropolitan State University of Denver
University of Denver
University of Colorado Denver
University of Northern Colorado
Colorado School of Mines
Business
Psychology
Nursing
Biology
Pre-Medicine Studies
Mechanical Engineering
Political Science and Government
Marketing
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6201 South Pierce Street, Littleton, CO 80123
(303)982-4400
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Jefferson County School District No. R-1