Hollifield turned in 150 tackles, 32 tackles for loss, eight sacks, two forced fumbles and one fumble recovery this past fall under head coach Lance Ware at Shelby High School. His 629 career tackles and 139 tackles for loss are both school and county records. In 2016, Hollifield helped lead Shelby to a perfect 16-0 season, capping it off with a state title behind a 16-tackle, one-sack, one-fumble recovery performance to take home MVP honors. He was four-time MaxPreps.com All-American, a four-time NC Preps All-State selection and the Charlotte Observer's All-Region Defensive Player of the Year. He played in this year’s U.S. Army All-American Bowl where he served as a team captain.