Capers was born and raised in Winter Haven, Florida, a city in the central area of the state.

He garnered class 2A third-team All-State accolades and was named to the Vince Carter Shootout and Montverde Academy Invitational all-tournament teams.

Montverde coach Kevin Sutton praised Capers by saying, "He’s a tremendous athlete who can slash and finish at the rim.

[4][5] Junior Taylor Rochestie intentionally gave up his athletic scholarship, allowing the incoming freshman, Capers to join.

[3] While attending Washington State University, Capers played in 135 games, the most contests a player from that school had appeared in since George Hamilton about sixty years prior.