Oral Roberts University (ORU), based in Tulsa, Oklahoma, in the United States, is an interdenominational, Charismatic Christian, comprehensive university with an enrollment of about 3,790 students from 49 U.S. states along with a significant number of international students from 70 countries. Founded in 1963, the university is named for its late founder, evangelist Oral Roberts, and is the largest Charismatic Christian university in the world. Sitting on a 500-acre (2.0 km) campus, ORU is accredited by the Higher Learning Commission of the North Central Association of Colleges and Schools (NCA), and offers over 65 undergraduate degree programs along with a number of masters and doctoral degrees. ORU is classified as Doctoral/Research University by the Carnegie Foundation for the Advancement of Teaching. ORU is also ranked one of 123 institutions in the "Best in the West" regional list produced by The Princeton Review.