Dupre attended John Curtis Christian High School in River Ridge, Louisiana. As a senior, he recorded 34 receptions for 607 yards and six touchdowns and as a junior he had 36 receptions for 816 yards and 15 touchdowns. Dupre was rated as a five-star recruit and was either ranked as the first or second best receiver in his class by numerous scouting outlets. He committed to Louisiana State University (LSU) to play college football.
