Open University Classes Open to the Public ☰ Fall 2024 Aug 24-Dec 17 Winter 2025 Dec 23-Jan 14 Spring 2025 Jan 20-May 16 Summer 2024 May 24-Aug 20 There are problems with the action. Please try again. Experience Fall at CSUN Open University for visiting students and community members Enrollment begins July 3, 2024 Classes begin August 24 - December 17 Search Classes How It Works Important Dates Review calendar and take note of important deadlines. Fees & Payment Review fees, payment instructions and refunds. Knowledge Center Review registration policies, student resources and more. Enroll Use your ID to login and select the classes you've identified.