Overview

• SEP states no modification to entry and exit times for basic education in 2025–26, preserving the usual morning and afternoon shifts.
• Classes start on Monday, September 1, for public and private preschool, primary and secondary schools nationwide, despite speculation tied to the President’s First Report.
• Typical reference hours remain in place, such as primary 8:00 a.m.–1:00 p.m., preschool 9:00 a.m.–12:00 p.m., and secondary 7:00 a.m.–1:30 p.m., with local variations by school and shift.
• State education authorities retain the power to adjust hours or suspend classes during weather or other local emergencies to safeguard students and staff.
• Uniform use is not a condition for access under the Ley General de Educación, and the official calendar lists six long weekends between September and December plus a winter break from December 22 to January 9, with classes resuming January 12.