Arapahoe High School
#8
Best ACT in Colorado High Schools
1,820
Students
21.7:1
S:T Ratio
School Snapshot
Key metrics at a glance1,250
A-
29
A
15
A
22%
C
22:1
B-
95%
A+
86%
A
60%
B+
This Week at Arapahoe – May 31, 2026
247 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Arapahoe High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Arapahoe High School.
National Tests
June 5, 2026
ACT
June 6, 2026
SAT — National
June 8, 2026
ACT Photo Upload/Standby Deadline
June 13, 2026
ACT — National
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
School Milestones
June 4, 2026
School End/Summer Start
After Arapahoe High
Where graduates go and what they studyColorado State University
University of Colorado Boulder
University of Denver
University of Northern Colorado
Colorado School of Mines
University of Colorado Denver
University of Arizona
Arizona State University
Business
Psychology
Biology
Nursing
Pre-Medicine Studies
Marketing
Engineering
Pre-Law Studies
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2201 East Dry Creek Road, Centennial, CO 80122
(303)347-6000
Littleton School District No. 6 in the county of Arapahoe
Academic Calendar
Important dates, holidays, and school events