CSUSM Summer Session 2020 courses are open to CSUSM students, qualified high school seniors, students from other universities and individuals in the community. Take advantage of the accelerated summer format to earn units in just five weeks or 10 weeks so you can get ahead or catch up on your studies, or explore a new interest. Summer courses do not require admission to CSUSM and they are fully transferable to other institutions. Summer session dates are June 1 - Aug. 8, 2020. Registration is open now!