The California State University (CSU) is a public university system in the state of California. It is one of three public higher education systems in the state, the other two being the University of California system and the California Community College system. It is incorporated as The Trustees of the California State University. The California State University system headquarters are at 401 Golden Shore in downtown Long Beach. The CSU system is composed of 23 campuses and has over 400,000 students supported by 47,000 faculty members and staff. It is the largest senior system of higher education in the United States. CSU prepares about 60% of the teachers in the state, 40% of the engineering graduates, and more graduates in business, agriculture, communications, health, education and public administration than all other California universities and colleges combined. Altogether, about half the bachelor's degrees and a third of the master's degrees awarded annually in California are from the CSU. Since 1961 nearly 2.5 million alumni have received a bachelor's, master's or doctoral degree from the university system.