The University of Texas at San Antonio (UTSA or UT San Antonio) is a public research university in San Antonio, Texas, United States. Established in 1969, UTSA is the largest university in San Antonio and the third-largest public research university in Texas by annual research expenditures, enrolling approximately 38,200 students across six campuses spanning about 1,200 acres. UT San Antonio is classified among "R1: Doctoral Universities – Very High Research Activity", a status held by 187 of the approximately 4,000 degree-granting postsecondary institutions in the U.S., representing about 4.7% of universities nationwide. UTSA generates $7 billion in annual economic impact. Student-athletes compete as the UTSA Roadrunners and are members of the American Conference.