The University of South Dakota School of Law also known as University of South Dakota Knudson School of Law or USD Law in Vermillion, South Dakota, United States, is a professional school of the University of South Dakota and the only law school in the state of South Dakota. Established in 1901, by U.S. Ambassador Bartlett Tripp and U.S. Senator Thomas Sterling. The law school is home to approximately 168 students and has more than 3,000 alumni. With 168 J.D. candidates, it is currently the second-smallest law school and smallest public law school student population among the American Bar Association accredited law schools.