Skip to main content

Academic calendar

Key Dates

MSS generally follows the College of San Mateo academic calendar, with a longer Thanksgiving holiday and late-winter break. 

  • First day of school
    August 17, 2025
  • Labor Day
    September 7
  • Columbus Day
    October 19
  • Veterans Day
    November 9
  • Thanksgiving
    November 26–29
  • Winter Break
    December 19–January 19, 2026
  • MLK, Jr. Day
    January 18
  • Presidents Week
    February 15–19
  • Last Day/Graduation
    May 28