Brown started 28 of 33 games as a freshman, averaging 7.7 points and 3.4 rebounds per game. He shot 41.7% from three-point range. Played on Canadian National team during the summer where he averaged 12.4 points per game at the 2003 FIBA Olympic Qualifying Tournament, second best on the team.

Brown averaged 30 points and six rebounds per game as a junior at Bathurst Heights HS in Toronto. He transferred to West Hill Collegiate for his senior season after Bathurst Heights closed. The top Canadian player in the class of 2002, Brown scored 111 points when West Hill topped R.H. King, 154-58. He connected on 41 field goals, including 16 from 3-point range. Brown chose UConn over Virginia, Kansas, Rutgers and Boston College, signing in the Nov. 2001 period.