A Gold color metal and enamel device 1 1/8 inches (2.86 cm) in height blazoned: Per chevron wavy Or and Azure a fleur-de-lis Argent, on a canton of the second a book open White. Attached below the shield a Blue scroll inscribed "DEMOPOLIS" in Gold letters.
Blue and white are the school colors. The shield is a symbol of protection and denotes the cadets' involvement in school, community, and country. The fleur-de-lis on a wavy chevron symbolizes the location of the school and reflects the early French influence. The open book represents knowledge through education.
The shoulder loop insignia was approved 23 May 1996.