Overview
- The calendar was published in the Diario Oficial de la Federación and signed by Education Secretary Mario Delgado Carrillo, fixing the cycle to start Monday, 31 August 2026 and end Friday, 9 July 2027.
- The agreement sets 185 effective instructional days for preescolar, primaria and secundaria and 190 days for escuelas normales in line with the Ley General de Educación.
- Winter break is reduced to run from Monday, 21 December 2026 through Wednesday, 6 January 2027, with classes resuming Thursday, 7 January 2027.
- Monthly Consejo Técnico Escolar sessions are scheduled mostly on Fridays beginning Friday, 25 September 2026, which will suspend student attendance and produce several three‑day and extended weekend breaks.
- The calendar preserves an extra week in August for teacher preparation, removes or consolidates some teacher workshops, applies nationally to public and incorporated private schools, and may force parents to arrange childcare or work adjustments on CTE Fridays that are not labor holidays.