Palm Beach County, school calendar, 2025-2026, academic year, start date August 11, holidays, Labor Day, Fall Holiday, Thanksgiving Break, Winter Break, Martin Luther King Jr. Day, Spring Break, Spring Holiday, Memorial Day, Juneteenth, teacher workdays, professional development, student calendar, elementary trimesters, secondary quarters, semesters, enrollment, magnet programs, safet... https://schooldistrictcalendar.info/gwinnett-county-school-calendar/