The University of New England (UNE) is an independent, non-profit, coeducational university founded in 1831, with campuses in Biddeford, Maine, Portland, Maine, and online. The Biddeford campus sits on 540 acres, the Portland campus is 40 acres, and the Tangier Campus is 3.7 acres. During the 2012-2013 academic year, a total of 8,085 students were enrolled at UNE, of which 4,753 were undergraduate and 2,346 were graduate students. In 1977, UNE opened a medical school, the UNE College of Osteopathic Medicine, which is currently the only medical school in the state of Maine. In 2013, UNE opened the College of Dental Medicine, currently the only dental school in northern New England.