Calabasas High School Calendar 2025-2025. Find out the dates for the first and last day of school, holidays, breaks, and graduation for coppell high school and other cisd schools. Find out the dates for first and last day of school, holidays, breaks, and early dismissals.

Find the official district calendars for the current and future school years, as well as the testing calendars for district and state exams. High school girls’ 4x400m relay championship, prelims 2.