A silver color metal and enamel device 1 3/16 inches (3.02 cm) in diameter overall consisting of a white disc, a green eagle stooping, silver gray beak, tail feathers and talons, all within two silver gray chain links arched outwardly, on the left and right sides of the disc. Attached above the disc a green arched scroll inscribed "ACHS" in silver letters. Attached below the disc a green arched scroll inscribed "EAGLE BATTALION" in silver letters.
Green and white (silver) are the school colors. The five white piles signify Leadership, Citizenship, Challenge, Responsibility, and Knowledge. The eagle is the school's mascot and reflects the strength and spirit required of the cadets to soar in academic and athletic endeavors. The palm trees are taken from the Palm Beach County Seal and symbolize the location of the school in Florida.
The shoulder loop insignia was authorized 2 March 2011.