Sonoma State University is a public, coeducational business and liberal arts college affiliated with the California State University system. The main campus is located in Rohnert Park, California, United States and lies approximately 10 miles (16 km) south of Santa Rosa and 50 miles (80 km) north of San Francisco. Commonly called SSU, Sonoma State, and Sonoma, the university is one of the smallest of the 23 state university campuses in California. The university offers over 65 undergraduate and graduate degree programs and claims to be the most requested campus of the CSU system. Sonoma State College was established by the state legislature in 1960 to be part of the California State College system, later to become the California State University system. Classes offered by the university first opened to 250 students in June 1961 in leased buildings in Rohnert Park where the college offered its first four year Bachelor of Arts degree in Elementary Education. With the completion of its two main classroom halls, Stevenson Hall, named for politician Adlai E.