On an orange horizontal ellipse edged with a 1/8 inch (.32 cm) green border a white horizontal wavy band edged green supporting a green demi-alligator detailed black, eye orange, pupil and teeth white, to the right and above the description "EAST COLUMBUS" in green letters. The overall dimensions are 2 1/2 inches (6.35 cm) in height by 3 inches (7.62 cm) in width.
Green and orange are the school colors. The wavy bands symbolize Lake Waccamaw, denoting the school's location. The school mascot, the alligator, is indigenous to the area and symbolizes the cadets' tenacious spirit.
The shoulder sleeve insignia was authorized 17 August 1998. (TIOH Drawing Number A-10J-592)