A silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a pirate standing on one leg and leaning on a crutch looking toward the right. The pirate is wearing a hat, bandana, earring, long coat, and boots and grasping a flintlock pistol. There is a parrot perched on his right shoulder. Near the pirate's foot is a treasure chest filled with gold doubloons and pieces of eight. At the top of the device; behind and on each side of the pirate are palm fronds (three on the right and two on the left). Attached below the shield, a green scroll inscribed "RESPECT HONOR PRIDE" in base metal letters.
Green and white are the school's colors. The school's mascot is a Pirate. The school's motto is "Respect Honor Pride." Dr. Ralph H. Poteet High School is named after a former superintendent of the Mesquite Independent School District in Dallas County. Dr. Poteet served as superintendent from 1964 to 1986 and was assistant superintendent at the time of the assassination of John F. Kennedy. The pirate symbolizes the Cadets' fierce winning spirit, courage, and perseverance.
The shoulder loop insignia was authorized 28 May 2008.