On a disk shaped embroidered device 3 1/8 inches (7.94 cm) in diameter blazoned as follows: "A hurt (Teal Blue) overlaid by a Manta Ray bendwise Sable, surmounted by a Latta Stone Silver Gray with the Manta's tail curled back over the base of the stone." Arched around the hurt, a White scroll inscribed "SAIPAN SOUTHERN HS" in Black letters, all within a 1/8 inch (.32 cm) border of the last.
Teal Blue, black and white is the school's colors. The Manta Ray is the school's mascot. The Latta Stone recalls the traditions of the archipelago.
The shoulder sleeve insignia was approved on 1 February 2006.