CSU San Marcos is one of the youngest and fastest growing campuses in the CSU system with a commitment to nurturing the economic, social and cultural development of the local community and the greater San Diego region. As a forward thinking university fueled by creativity and a hands-on, real-world curriculum, CSU San Marcos is geared to serve the 21st century student. CSU San Marcos offers a variety of online courses and certificates. To learn more visit CSU San Marcos Extended Learning.