On a blue rectangular shaped embroidered device, a rocket ascending emitting a flame and a generatrix throughout the base all white, surmounting a sun in splendor red, and between a star in top left and a crescent moon in top right both white. Attached above, a white scroll inscribed "JOHN GLENN" in blue letters 5/16 inch (.79 cm) in height. Attached below, a white scroll inscribed "HIGH SCHOOL" in blue 5/16 inch (.79 cm) in height letters, all within a 1/8 inch (.32 cm) white border. The overall dimension is 3 1/2 inches (8.89 cm) in height overall.
Red, white and blue are the school's colors. The Rocket is the school symbol.
The shoulder sleeve insignia was approved on 23 December 2005.