Columbine High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Columbine High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
13
Senior Awards
MAY
14
Graduation Practice
MAY
15
Graduation, Red Rocks
MAY
15
No School
NO SCHOOL
MAY
20
Diploma pickup, Counseling office
MAY
28
LAST DAY End of 2nd Semester Grading Period
MAY
29
***Teacher's Last Day***
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!