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 – August 18, 2026
24 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
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 22, 2026
SAT — National
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
State Assessments
January 11, 2027 – February 12, 2027
WIDA ACCESS
January 11, 2027 – February 12, 2027
WIDA Alternate ACCESS
April 5, 2027 – April 23, 2027
CMAS
April 5, 2027 – April 23, 2027
CoAlt
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