 Harris grew up in the Baltimore suburb of Middle River, Maryland and played high school football at Archbishop Curley High School where he also lettered in basketball and track & field.Archbishop Curley High School

As a senior at Baltimore's Archbishop Curley High School, Harris was named the 2014 Varsity Sports Network Offensive Player of the Year for football.He earned All-Conference and All-State honors, and was selected to the Baltimore Sun's First Team All-Metro for the 2014 football season.