Saint Louis University (SLU) is a private Jesuit research university with campuses in St. Louis, Missouri, United States, and Madrid, Spain. Founded in 1818 by Louis William Valentine DuBourg, it is the oldest university west of the Mississippi River and the second-oldest Jesuit university in the United States. It is one of 27 member institutions of the Association of Jesuit Colleges and Universities. The university is accredited by the North Central Association of Colleges and Secondary Schools.
In the 2021-2022 academic year, SLU had an enrollment of 12,883 students. The student body included 8,138 undergraduate students and 4,745 graduate students that represents all 50 states and 82 countries.The University is classified as a Research II university by the Carnegie Classification of Institutions of Higher Education.
For more than 50 years, the university has maintained a campus in Madrid, Spain. The Madrid campus was the first freestanding campus operated by an American university in Europe and the first American institution to be recognized by Spain's higher education authority as an official foreign university. The campus has 850 students, a faculty of 110, an average class size of 17 and a student-faculty ratio of 12:1. Of the 12,883 students, 788 study at the Madrid Campus which also represents students from 45 of the 82 total countries students are from.
SLU's athletic teams compete in the National Collegiate Athletic Association's Division I and are a member of the Atlantic 10 Conference.