Cobb Horizon High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Cobb Horizon High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAY
18
Last Three Days of Second Semester/School Year
MAY
18
Early Release Days; Teacher Workdays
MAY
18
High School Commencements (May 18-23)
MAY
19
Last Three Days of Second Semester/School Year
MAY
19
Early Release Days; Teacher Workdays
MAY
20
Last Three Days of Second Semester/School Year
MAY
20
Early Release Days; Teacher Workdays
MAY
20
Last Day of School
MAY
20
End of 2nd Semester, 4th Nine Weeks/4th Quarter
MAY
21
Post Planning
MAY
22
Post Planning
MAY
25
No School
Memorial Day Holiday - Schools Closed
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!