An embroidered device 3 1/2 inches (8.89 cm) in width and 3 3/16 inches (8.10 cm) in height overall, edged with a 1/8 inch (.32 cm) blue border, circumscribed on a yellow circular designation band "ALEXANDER" in blue letters. Superimposed over the disc, a blue wedge with a white border and a blue bottom edge inscribed "BULLDOGS" in descending yellow letters. Above the wedge, the head of a white bulldog detailed blue with a blue collar and white spikes, in front of a blue inner disc.
Blue, gold and white are the school colors. The bulldog is the school mascot.
The shoulder sleeve insignia was authorized 19 August 2003.