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Welcome to the CSU San Marcos University Student Union (USU) website. The USU is a welcoming and flexible space where students, faculty, staff and administrators connect to the campus and the community. The USU has many unique features and services so we welcome you inside.

Reservations and scheduling for the USU will open soon. Visit our events section for more information.

  • July 1st Student Organizations
  • July 16th Campus Departments
  • August 1st External Clients