A Silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield, blazoned: Gules, a fret Argent. Attached above two hands, blue, outstretched and clasping, all beneath three textured mountain tops. Attached below the shield a Blue scroll, folds red, and inscribed "JEFFERSON COUNTY" in Silver letters. Between the shield and scroll base metal, rayed.
The shield is quartered by the fret, signifying the four original county schools. The center diamond represents the location of Jefferson County High School which is in the geometric center of the county. The shape of the shield is borrowed from the school's crest. The two clasped hands symbolize the cooperation between students and faculty members. Three stylized mountains cap the device and also allude to the location of the school, in the foothills of the Great Smoky Mountains.
The shoulder loop insignia was authorized 16 March 2011.