An embroidered device consisting of a red oval enclosed in a 1/16 inch (.16 cm) blue edge displaying the head and shoulders of a falcon. Enclosing that, a white oval designation band inscribed "FORBUSH HIGH SCHOOL" above the falcon and "FALCONS" below in blue block letters. The entire device is edged with a 1/8 inch (.32 cm) blue border. The overall dimensions are 3 1/2 inches (8.89 cm) in height and 3 1/16 inches (7.78 cm) in width.
Red, white, and blue are the school's colors. The mascot is the falcon and it symbolizes courage, wisdom, perseverance, and the Cadets' fierce winning spirit.
The shoulder sleeve insignia was approved 3 October 2006.