    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 has 112 campuses worldwide and confers degrees in over 100 degree programs at the associate, bachelor's, master's and doctoral degree levels.allen, lee (august 8, 2008). "university of phoenix provides growth opportunities for working adults". inside tucson business. retrieved october 20, 2012. it is a wholly owned subsidiary of apollo group inc., a publicly traded () phoenix-based corporation that owns several for-profit educational institutions. the university of phoenix closed 115 of its campuses in 2013, previously having over 200.lewin, tamar (october 17, 2012). "university of phoenix to shutter 115 locations". the new york times. the university of phoenix attained a peak enrollment of almost 600,000 students in 2010, but its numbers have declined almost 60 percent since 2010. the enrollment drop has been attributed to operational changes amid criticism of high debt loads and low job prospects for university students.{{cite news| url=http://archiv
1976_establishments_in_Arizona Apollo_Group Distance_education_in_the_United_States Distance_education_institutions Educational_institutions_established_in_1976 For-profit_universities_and_colleges_in_the_United_States North_Central_Association_of_Colleges_and_Schools Online_colleges Universities_and_colleges_in_the_United_States University_of_Phoenix