High School: Walls was a standout quarterback for Waverly High School in Ohio. He was a three-year starter for Waverly recording 6,292 passing yards and 67 touchdowns, completing 62 percent of his passes as a starter. He also led his team to 25-5 record as a starter for the Tigers. As a senior, Walls led his team to a 9-1 overall record and a spot in the second round of the Ohio playoffs. He threw for 2,500 yards, earning first team all-Ohio and first team and Player of the Year in the Southeast District. He was also named first team and player of the year in the Southern Ohio Conference. Walls was also named a first team quarterback and Player of the Year by the Portsmouth Daily Times. As a junior, he threw for 2,300 yards leading his team to an undefeated record in the regular season. As a sophomore, he tallied 1,492 passing yards.

Personal: Walls is the son of Rick and Brenda Walls. He plans to major in electrical engineering.