A Silver color metal and enamel shield shaped device is 1 1/4 inches (3.18 cm) in height blazoned as follows: Azure, a saltire Argent (Silver Gray), charged at center on a disc a mullet, in chief a lamp of knowledge, in base the masks of tragedy and comedy, and in fess a winged foot in dexter and a judge's gavel in sinister, all of the second. Attached below the shield, a Silver scroll inscribed "NORTH CROWLEY" in Blue letters.
Royal blue and silver are the school colors. The lamp of knowledge represents brilliance in academics; the winged foot of Hermes expresses swiftness and athletics; the masks suggest the studies of art and music; the judge's gavel denotes the law. The lone star denotes the school's location in Texas.
The shoulder loop insignia was authorized 4 January 2013.