Baseball

• Class "C" District III - 1940 (Coach Al Omohundro), 1941 (Coach Bob Marshall)
• Class "A" District XII - 1945, 1947 (Coach Harry Lee)
• Group I Northern District - 1950 & 1952 (Coach Harry Lee), 1956 (Coach Syd Thrift)
• Fairfax County Champions: 1940, 1941, 1945, 1950, 1952, 1954, 1956 
• Gunston District Champions: 1968 & 1969 (Coach John Yednock), 1976, 1978 & 1983 (Coach Mike Foglio) 1984 (Coach Mike Foglio & Jim Sparling)
• National District Champions: 2001, 2003, 2004 (Coach Jimmy Linza)
• Northern Region Champions: 1976
• Virginia State Finalist: 1976

Boys Basketball

• District: 1982, 1984, 1985, 1987, 1988, 1997, 2001, 2005, 2009, 2010, 2011
• Region: 1979, 1984
• State: 1979

Girls Basketball

• District: 1969, 1981, 1982, 1984, 1985, 1986, 1995, 1996, 1997, 1998, 2001, 2002, 2009, 2011, 2012, 2013

Cheer

• District: 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2014, 2018

Boys Cross Country

• District: 2003

Girls Cross Country

• District: 1978, 1981, 1996, 1998

Field Hockey

• District: 1999, 2009, 2010, 2012

Football

• District: 1961, 1967, 1968, 1977, 1979, 1982, 1983, 1985, 1986, 1996, 1997, 1998, 2001, 2019
• Region: 1979, 1982, 1983, 2001
• State: 1983

Golf

• District:1964, 1976, 1978, 1980
• Region: 1976

Girls Gymnastics

• District: 1980, 1981, 1986, 1996, 2001

Boys Lacrosse

• District: 1995, 1996, 2002, 2003, 2004, 2005, 2009

Girls Lacrosse

• District: 1997, 1999, 2002, 2005

Boys Soccer

• District: 1992, 1995, 1996, 1998, 2005, 2012, 2013
• State: 2013

Girls Soccer

Softball

• District: 1969, 1976, 1978, 1980, 1983, 1984, 1988, 1996, 1997, 2000, 2001, 2007
• Region: 1976

Boys Swim and Dive

• District: 1986, 1987, 1988
• State (Individual - Dive): 2008

Girls Swim and Dive

• District: 1985
• State (Individual - Dive): 2015, 2016

Boys Tennis

• District: 1977, 1978, 1979, 1981, 1983

Girls Tennis

• District: 1975, 1982, 1983

Boys Indoor Track and Field

• District: 1997, 1998, 2001, 2003, 2007 

Girls Indoor Track and Field 

• District: 1997, 1998, 1999, 2001, 2002, 2007, 2014
• Region: 1974

Boys Outdoor Track and Field

• District: 1979, 1996, 1997, 1998, 1999, 2001, 2013
• Region: 1985

Girls Outdoor Track and Field 

• District: 1969, 1976, 1998, 2014 

Volleyball

• District: 2001, 2002

Wrestling

• District: 1966, 1967, 1969, 1970, 1974, 1977, 1981, 1982, 1991, 1992, 1993, 2001, 2002, 2004, 2005, 2008, 2012, 2013, 2019
• State (Indvidual): 2013, 2015