The University of California, Santa Barbara, commonly known as UCSB or UC Santa Barbara, is a public research university and one of the 10 general campuses of the University of California system. The main campus is located on a 1,022-acre (4.1 km) site in Santa Barbara, California, 100 miles (160 km) northwest of Los Angeles. Founded in 1891 as an independent teachers' college, UCSB joined the University of California system in 1944 and is the third-oldest general-education campus in the system. UCSB is a comprehensive doctoral university and is organized into five colleges offering 87 undergraduate degrees and 55 graduate degrees. The campus is the 5th-largest in the UC system by enrollment with 19,800 undergraduate and 3,050 graduate students. The university granted 5,442 bachelor's, 576 master's, and 310 Ph.D. degrees in 2006–2007. In 2010, UCSB was ranked 39th among "National Universities" by U.S. News & World Report, 29th worldwide by the Times Higher Education World University Rankings and 32nd worldwide by the Academic Ranking of World Universities. UC Santa Barbara is a "very high activity" research university and spent $191.