Boys' Basketball: 2007-08, 2010-11
Boys' Cross Country: 1999, 2005, 2007, 2008, 2009
Field Hockey: 2001; 2002; 2004*, 2007, 2008, 2009
Football: 2009
Boys' Golf:
Boys' Lacrosse: 2010**
Girls' Lacrosse: 2005, 2006
Boys' Soccer: 1999, 2003, 2005, 2007*, 2011
Girls' Soccer: 2010, 2011
Boys' Track and Field: 2001
* indicates co-champion
** indicates tri-champion