Lester R Arnold High School
175
Students
16:1
S:T Ratio
School Snapshot
Key metrics at a glance850
C+
1
C+
9%
C
16:1
B+
27%
C
This Week at Lester R Arnold – June 18, 2026
21 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Lester R Arnold High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Lester R Arnold 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 Lester R Arnold High
Where graduates go and what they studyCommunity College of Denver
Metropolitan State University of Denver
Front Range Community College
University of Colorado Denver
Colorado State University
Lincoln College of Technology - Denver
University of Denver
Regis University
Psychology
Business
Diesel Mechanics
Nursing
Accounting
Biology
Dental Assisting
Esthetician and Skin Care
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6500 East 72nd Avenue, Commerce City, CO 80022
(303)289-2983
School District N. 14 in the county of Adams & State of Colo
Academic Calendar
Important dates, holidays, and school events