Earn up to 4-units with Winter Intersession! December 20, 2024 - January 13, 2025 Classes will be held during winter break. Winter Intersession is a compacted session that offers academic credit courses between the Fall and Spring semesters. Enrollment is open to CSUSB students and the general public. Winter Intersession 2024 Flyer. Winter Intersession 2024 Flyer. Registration Registration begins Nov. 13th Got a Question? Click Here!