University of Oklahoma College of Arts and Sciences

The University of Oklahoma College of Arts and Sciences, also known as the College of A&S (or simply CAS), is the liberal arts and sciences unit of the University of Oklahoma in Norman, Oklahoma. Established in 1909, the college is currently the largest unit at OU in terms of the number of students enrolled. Many classes are held all over campus but the main office is located in Ellison Hall on the main campus in Norman.