Killeen Isd 2025 Calendar. Killeen isd students will start the school year on wednesday, august 14, 2024, and end the school year on thursday, may 22, 2025. Including holidays, team schedules and more.

S m t w th f s s m t w th f s s m t w th f s s m t w th f s august september october december january february april may june aug. Stay organized and informed with killeen isd’s human resources staff and duty calendars.