Simmons attended Duncanville High School located in Duncanville, Texas. In Simmons senior year, he played 10 games and recorded 45 tackles, including seven total sacks.[2] According to 247Sports, Simmons was rated a 5-star edge, ranking 28th nationally and 4th at his position.[3] Additionally, Simmons was rated a 5-star prospect by Rivals.com and On3 Recruiting.[4][5] On August 10, 2023, Simmons committed to The University of Texas.[6]
College career
Prior to the 2024 season, Simmons was listed on the preseason Shaun Alexander Freshman of the Year watchlist.[7] Simmons earned immediate playing time as a freshman. During week five of the 2024 season, Simmons recorded 7 tackles and 2 sacks.[8]