The American Association of Colleges of Osteopathic Medicine (AACOM) represents the 34 accredited colleges of osteopathic medicine in the United States. These colleges are accredited to deliver instruction at 49 teaching locations in 32 states. In the current academic year, these colleges are educating nearly 29,000 future physiciansâmore than 20 percent of all U.S. medical students. Six of the colleges are public and 28 are private institutions.