Brown won gold and silver medals on the JGP series and qualified for his second JGP Final, where he finished fourth. At the 2013 U.S. Figure Skating Championships, he placed eighth overall. He was sent to the 2013 World Junior Championships where he placed third in the short program and first in the free skate after landing two triple Axels for the first time in his career. Brown won the silver medal while fellow Americans Joshua Farris and Shotaro Omori took the gold and bronze medals, respectively.