Keller Isd School Calendar 2025 26 Odd Even. This keller isd instructional academic school calendar is extremely important as it keeps you informed of keller middle grading periods, early dismissal dates, staff development. Kcal & rotc bus schedules.
Killeen isd students will start the school year on wednesday, august 14, 2024, and end the school year on thursday, may 22, 2025. Last day of school & early release: