Littleton High School
#8
Best ACT in Colorado High Schools
1,224
Students
17:1
S:T Ratio
School Snapshot
Key metrics at a glance1,250
A-
29
A
11
B+
25%
C
17:1
B
86%
A
69%
B+
48%
B-
This Week at Littleton – August 18, 2026
161 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Littleton High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Littleton 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 Littleton High
Where graduates go and what they studyUniversity of Colorado Boulder
Colorado State University
University of Colorado Denver
Metropolitan State University of Denver
University of Northern Colorado
University of Denver
Colorado School of Mines
Arapahoe Community College
Business
Psychology
Biology
Nursing
Political Science and Government
Computer Science
Marketing
Pre-Medicine Studies
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199 East Littleton Blvd, Littleton, CO 80121
(303)347-7700
Littleton School District No. 6 in the county of Arapahoe
Academic Calendar
Important dates, holidays, and school events