The University of Phoenix (UOPX) is an American for-profit institution of higher learning, headquartered in Phoenix, Arizona, United States. The university has an open-enrollment admission policy, requiring a high-school diploma, GED, or its equivalent as its criterion for admissions. The university confers degrees in over 100 degree programs at the associate, bachelor's, master's, and doctoral degree levels. It is a wholly owned subsidiary of Apollo Education Group Inc., a publicly traded (NASDAQ: APOL) Phoenix-based corporation that owns several for-profit educational institutions.