The University of Iowa College of Liberal Arts and Sciences (CLAS) is the largest of the eleven colleges at The University of Iowa, founded in 1900. In 2007-2008, there was a total of 16,417 undergraduates enrolled in CLAS, 81% of all undergraduates at the university, and about 2,400 graduate students. The largest undergraduate majors are: Psychology, English, Biology, Communication Studies, Interdepartmental Studies, Political Science, School of Art and Art History, History, International Studies, and Journalism. The College is housed in Schaeffer Hall part of the historic Pentacrest on the university's Iowa City campus.