Cobb County School Calendar 2025. In cobb county, there are 177 days scheduled for students, and 187 days scheduled for teachers. The first semester includes 88 school days and ends prior to winter holidays.

In cobb county, there are 177 days scheduled for students, and 187 days scheduled for teachers. The cobb county school calendar for the 2024 to 2025 school year begins on thursday, august 1, 2024 and ends on wednesday, may 21, 2025.