On a yellow disc edged with a 1/8 inch (.32 cm) green border, 3 1/4 inches (8.26 cm) in diameter, a black alligator with white teeth and red eye and mouth, between the inscription "ESTILL" above and "GATORS" below in green letters.
Green and yellow are the school colors. The alligator is the school mascot.
The shoulder sleeve insignia was authorized 12 March 1992. (TIOH Drawing Number A-10J-253)