Overview

• SEP reiterates that classes begin Monday, September 1 for preschool, primary and secondary, and students cannot be denied entry for not wearing a uniform.
• Traditional morning and afternoon shifts remain in place nationwide, with examples such as primary 8:00–13:00 and 13:30–18:00, preschool 9:00–12:00 and 14:00–17:00, and secondary 7:00–13:30 and 13:30–19:10.
• State education authorities may modify schedules or suspend classes in response to extreme heat, cold, heavy rain or other local risks.
• The official calendar lists six long weekends from September to November and sets winter break from Monday, December 22, 2025, to Friday, January 9, 2026, with classes resuming Monday, January 12.
• Profeco issued back‑to‑school savings tips and highlighted supply fairs offering lower‑cost materials in states including Campeche, Oaxaca, Morelos, eastern Mexico City, Estado de México, Guerrero and Tamaulipas.