Accessibility Tools

Skip to main content

MSS Calendar

Important Dates

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

Our concurrently enrolled students will find additional relevant dates on the CSM website.

  • First Day of School
    August 14, 2024
  • Labor Day
    September 2
  • Columbus Day (observed)
    October 21
  • Veterans Day
    November 11
  • Thanksgiving Break
    November 25–29
  • Winter Break
    December 14–January 12, 2025
  • Martin Luther King, Jr. Day
    January 15
  • Presidents Week
    February 17–21
  • Spring Break
    April 14–18
  • Last Day of School/Graduation
    May 23
  • Memorial Day
    May 26


Please refer to the College Board site for current dates and information.


Please refer to the ACT site for current dates and information.