Windsor High School
#38
Best ACT in Colorado High Schools
1,130
Students
19.2:1
S:T Ratio
School Snapshot
Key metrics at a glance1,170
B+
27
A
14
A-
22%
C
19:1
B-
92%
A+
70%
A-
36%
C+
This Week at Windsor – May 13, 2026
148 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Windsor High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Windsor High School.
National Tests
April 21, 2026 – May 29, 2026
ACT — School Day - Late Spring Online
May 5, 2026 – May 19, 2026
ACT — School Day - Late Spring Paper
May 13, 2026
AP English Language and Composition
May 13, 2026
AP German Language and Culture
May 13, 2026
AP Physics C: Mechanics
May 13, 2026
AP Spanish Literature and Culture
School Milestones
May 14, 2026 – May 28, 2026
Graduation
May 21, 2026 – May 29, 2026
School End/Summer Start
May 28, 2026 – May 29, 2026
School End/Summer Start
May 28, 2026
School End/Summer Start
June 4, 2026
School End/Summer Start
After Windsor High
Where graduates go and what they studyColorado State University
University of Northern Colorado
University of Colorado Boulder
University of Wyoming
Colorado Mesa University
Aims Community College
Arizona State University
University of Colorado Denver
Business
Psychology
Nursing
Biology
Pre-Medicine Studies
Marketing
Elementary Education
English
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1100 West Main Street, Windsor, CO 80550
(970)686-8100
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Weld County Reorganized School District No. Re-4
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