On a gold rectangular shaped embroidered device arced top and bottom, 3 1/2 inches (8.89 cm) in height by 2 1/2 inches (6.35 cm) in width, all within a 1/8 inch (0.32 cm), a Bulldog cut at the shoulder, consisting of the colors maroon and white, detailed black, eyed white and tongue gold. Attached above, a gold scroll inscribed "ST. CLOUD" in maroon letters 5/16 inch (0.79 cm) in height. Attached below, a gold scroll inscribed "HIGH SCHOOL" in maroon letters 5/16 inch (0.79 cm) in height.
Maroon and gold are the school colors. The bulldog is the school mascot.
The shoulder sleeve insignia was approved on 23 December 2005.