All COCISD campus hours for students are 7:45 a.m. to 3:30 p.m. Breakfast service starts at 7:15 a.m., the first bell rings at 7:40 a.m. and classes begin promptly at 7:45 a.m. Click any of the links below to view campus bell schedules, including special schedules for late starts, early dismissal, and assemblies.
