He played college basketball for American, where he holds the all time school scoring record with 2,116 career points.

[4] In his senior season, Nelson hit the clinching shot and free throw in a 58–55 win against Christian Brothers Academy in the Battle by the Bay.

In the Non-Public A title game, he scored 30 points in a 83–50 win against Don Bosco Preparatory High School.

Nelson was a two-time Press of Atlantic City player of the year and finished his career with 1,625 points, third highest in school history.

[6] At the conclusion of the regular season, Nelson was named Patriot League Player of the Year.