California Institute of Integral Studies (CIIS) is a private university in San Francisco, California. It was founded in 1968. As of 2020, the institute operates in two locations: the main campus near the confluence of the Civic Center, SoMa, and Mission districts, and another campus for the American College of Traditional Chinese Medicine in the Potrero Hill neighborhood. As of 2020, CIIS has a total of 1,510 students and 80 core faculty members.