*Asterisk = Class B
^ Caret = Individual Championship
 
Fall Sports
Cross Country (Boys) - 1983*, 2004, 2005, 2006, 2008, 2010, 2011, 2014, 2015, 2018
Cross Country (Girls) - 1996*, 1998*, 1999*, 2008, 2014
Field Hockey - 2009, 2014
Football - 2002*, 2017
Golf - ^1987 (Gary Lorfano), 2014, 2017^2017 (Anthony Burnham), ^2017 (Elizabeth Lacognata)
Soccer (Boys) - 1973, 1974, 1975, 1976, 1999*, 2005, 2008, 2009, 2012, 2013  
Soccer (Girls) - 1998*, 1999*, 2010, 2012
Volleyball - 2015, 2017
 
Winter Sports
Alpine Skiing (Boys) -  
Alpine Skiing (Girls) - 
Basketball (Boys) - 
Basketball (Girls) - 2010
Cheerleading - 1995*, 1998*
Ice Hockey (Boys) - 1995*, 2015
Ice Hockey (Girls) - 2014
Indoor Track & Field (Boys) - 1983*, 1986*, 1990*, 1991*, 1994*, 1995*, 1996*, 1997*, 1998*, 2000*, 2001*, 2009, 2011, 2012, 2013, 2014, 2016, 2017, 2018, 2019
Indoor Track & Field (Girls) - 1984*, 1986*, 1987*, 1988*, 1994*, 1995*, 1999*, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2017, 2018 (co-champs)
Swimming (Boys) - 2005
Swimming (Girls) - 2003* 
Wrestling - ^2011 (Michael Cyr), ^2015 (Jeremy Sendrowski), ^2019 (Addison Boisvert)
 
Spring Sports
Baseball - 2019
Lacrosse (Boys) - 2006, 2008, 2010, 2011, 2012, 2013, 2016
Lacrosse (Girls) - 2006, 2010, 2011, 2012
Outdoor Track & Field (Boys) - 1938*, 1940*, 1946*, 1947*, 1983*, 1986*, 1991*, 1992*, 1993*, 1994*, 1996*, 1997*, 2000*, 2001*, 2013, 2016, 2017, 2019 
Outdoor Track & Field (Girls) - 1994*, 1995*, 1996*, 1997*, 1998*, 2006, 2007, 2008, 2010, 2012
Softball - 1997*, 2007, 2009, 2011, 2013, 2017, 2018, 2019
Tennis (Boys) - 
Tennis (Girls) - ^2005 (Camille Jania), ^2008 (Camille Jania)