Allegany-Limestone Central School District Calendar, first day of school, last day of school, Thanksgiving break, Christmas break, mid-winter break, spring break, teacher preparation days, professional development days, Regents exams, graduation day, school holidays, academic calendar, school year dates, early release days, marking periods, student attendance, school closures, holiday... https://nycschoolcalendars.com/allegany-limestone-central-school-district/2025-2026