Membership Membership Type: Full Member School Type: High School, Grades 9-12 Board District: #7 St. Louis County: St. Charles Contact Information Address: 2550 Elm St. Charles, MO 63301-1494 Phone: (636) 946-6767 Fax: (636) 946-1219 School Website: http://www.duchesne-hs.org/ Facebook: DuchesneHighSchool Twitter: Duchesne_Athletics Instagram: duchesnehs School Details School Colors: Royal/White Boys Mascot: Pioneers Girls Mascot: Pioneers Boys Logo: Girls Logo: Location Duchesne High School 38.796737 -90.500697 #222 0 2550 Elm St. Charles, MO 63301-1494 (636) 946-6767 Get Directions