Cobb County School Calendar 2025-26. 2025 cobb county school district job fair. The cobb county school calendar for the 2025 to 2026 school year begins on monday, august 4, 2025 and ends on wednesday, may 20, 2026.
The marietta city school calendar for the 2025 to 2026 school year begins on friday, august 1, 2025 and ends on friday, may 22, 2026. The cobb county school year typically ends on a wednesday to provide enough time to schedule graduation ceremonies.