 Previously all medical students spent their first two years at the Oklahoma City campus and at the end of the second year, up to a quarter of each class may elect to complete their third and fourth years clinical experiences at the Tulsa community-based campus.Beginning in 2015 the School of Community Medicine in Tulsa expanded to a full 4-year campus and students had the opportunity to apply to either or both the Oklahoma City main campus medical school, and/or the School of Community Medicine branch campus in Tulsa.The first class having spent all four years of medical training at the Tulsa School of Community Medicine graduated in 2019.