A Silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned: Azure, an open book Argent between in chief two swords in saltire points downward of the last. Above the shield and between the swords, the head and shoulders of a Cavalier in Silver looking toward dexter and wearing a Navy Blue hat. Attached below the shield, a Blue scroll inscribed "CARROLL COUNTY" in base metal letters.
Navy blue and silver are the school's colors. The Cavalier, the school's mascot, symbolizes intelligence, valor, strength, and fortitude. The open book represents the book of knowledge. The swords allude to justice and honor.
The shoulder loop insignia was authorized 3 September 2008.