The U.S. School Database currently includes 1 colleges and universities located Duncan. To inquire from any of the Duncan, OK schools below, simply follow each school's link to request accurate information directly from each school. Good luck on your search for schools and colleges that meet your needs in Duncan, or within a certain distance from Duncan, or online. We hope you find everything you need to know about universities in Oklahoma. Also remember to search for schools a certain distance from Duncan using our zip code search box in the upper left hand column.