Macon Bibb County School Calendar 2025-26. 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. Last day of class early dismissal (high school only) fourth grading period ends may 25:.

Curriculum & instruction department (instructional services). Fulton county schools operates on a calendar that maximizes student learning while also offering professional learning time for educators.