Alliant International University (AIU) is a new institution that was formed through the merger of the California School of Professional Psychology (the nations' oldest and largest school of professional psychology accredited by the American Psychological Association) and United States International University. AIU is comprised of six schools enrolling over 6,000 students: California School of Professional Psychology, College of Arts and Sciences, College of Organizational Studies, School of Education, School of Social and Policy Studies, and United States International College of Business. Programs are offered on campuses in the San Francisco Bay Area, San Diego, Los Angeles, Irvine, Sacramento, Fresno, and on international campuses in Nairobi (Kenya) and in Mexico City (Mexico).
The California School of Professional Psychology (Alliant) is headquartered in San Francisco, San Francisco County, CA.