Earn up to 4-units with Winter Intersession!December 19, 2025 - January 12, 2026Classes 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 2025 Flyer. Winter Intersession 2025 Flyer. Registration Registration begins November 10, 2026 Got a Question? Click Here!