The Columbia University College of Dental Medicine, often abbreviated CDM, is one of the twenty graduate and professional schools of Columbia University. It is located at 630 West 168th Street in Manhattan, New York City. According to American Dental Education Association, CDM is one of the most selective dental schools in the United States based on average DAT score, GPA, and acceptance rate. In 2014, 2,029 people applied for 80 positions in its entering class. The median undergraduate GPA and average DAT score for successful applicants in 2014 were 3.7 and 23, respectively