School Calendar 2025 Duval County

School Calendar 2025 Duval County. This duval instructional academic school calendar is extremely important as it keeps you informed of highlands middle school grading periods, early dismissal dates, staff. Duval county public schools is the 20th largest school district in the nation.

The columbia county school district does not discriminate on the basis of race, sex, color, religion, national origin, gender, age, disability or marital. Stay updated on key dates, holidays, and events in duval county schools.