2025 26 Cobb County School Calendar. The cobb county school year typically ends on a wednesday to provide enough time to schedule graduation ceremonies. For events and ical access, go to this page.
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. Spring break begins on the first monday in april, providing consistency with other metro school systems.