A shield-shaped device with a horizontal scroll attached above the shield, all edged with a 1/8 inch (.32 cm) red border; the overall dimensions 3 1/2 inches (8.89 cm) in height and 2 1/2 inches (6.35 cm) in width. On a white shield, a red and white adaption of a tower clock issuing from base, detailed and outlined black, surmounting a black outlined mountain. Issuing from sinister chief, three yellow rays on a white scroll, the inscription "EAST" in red letters.
Red and white are the school's colors. The clock tower is the school building at East High School.
The shoulder sleeve insignia originally authorized 12 March 1973, was amended 17 July 1992, to add subdued colors and metric measurements. (TIOH Drawing Number A-10J-269)