Jamarion Miller is the all-time leading rusher in the history of Tyler Legacy, a school formerly known as Tyler Lee. He is considered the top running back recruit in the Lone Star State as a senior in part because of his combination of toughness, vision and speed. Miller is the younger brother of Damion Miller, a wide receiver who initially signed with Texas in 2017 but never overcame academic obstacles to enroll in Austin. Miller also competes on the track where he finished second in the district 100-meter race with a time of 10.71 seconds. Miller plans on majoring in medicine in college. He lists watching Netflix as his hobby. His mother is Shamekia Miller.