Davidson played for Desert Ridge as a defensive tackle.[2] As a junior he recorded 57 tackles, four sacks, and two forced fumbles. As a senior he played in 13 games as a senior, recording 67 total tackles, 19.5 tackles for loss, 5.5 sacks, four forced fumbles, and two fumble recoveries, including one returned for a touchdown, and led his team to the state championship game his senior season. Scouts rated him as a three-star prospect.[3]
College career
Davidson played for Arizona State. As a freshman he suffered a season ending injury and only played 8 games with 10 tackles, 3.5 tackles for loss, and two sacks. As a sophomore he started 12 of 13 games and had 51 tackles, 4 tackles for loss, 1.5 sacks, and 1 touchdown. As a junior he had 15 tackles and 1 sack. His senior year he had 57 tackles, 6 tackles for loss, with 4 pass deflections, and was named the Curley Culp Outstanding defensive linemen.[3]