On a blue vertical rectangle arched convexly at top and bottom and edged with a 1/8 inch (.32 cm) red border, a red cardinal's head cropped, eye and beak white, pupil black, with black detail around eye and beak. Attached above the rectangle, a blue scroll edged with a 1/8 inch (.32 cm) red border inscribed "SHELDON CLARK" in red letters. Attached below the rectangle, a blue scroll edged with a 1/8 inch (.32 cm) red border inscribed "HIGH SCHOOL" in red letters. The overall dimensions are 3 1/2 inches (8.89 cm) in height and 2 5/8 inches (6.67 cm) in width.
Red and white are the school colors. Red represents courage an attribute the cadets seek to achieve in conquering any obstacle that comes their way. White symbolizes perfection; a goal the cadets seek to achieve in everything they do. The cardinal is the school's mascot and represents the state bird of Kentucky where the school resides.
The shoulder sleeve insignia was authorized 25 January 2012. (TIOH Drawing Number A-10J-998)