Overview

• Classes begin on Monday, September 1, 2025, in all 32 states and conclude on July 15, 2026, per the official calendar.
• The calendar sets 185 effective school days for preschool, primary and secondary, and 190 days for normales and teacher-training centers.
• Published in the Diario Oficial de la Federación, the calendar is mandatory for public and private schools incorporated into the National Education System.
• September suspensions include the national holiday on Tuesday, September 16, and a Consejo Técnico Escolar session on Friday, September 26 that creates a long weekend; Monday, September 15 is not an official school holiday.
• Transport group FAT announced a megamarch and blockades for September 1 that could hinder access in the Valley of Mexico, but no change to the start date has been announced.