The Massachusetts Interscholastic Athletic Association (MIAA) is an organization that sponsors activities in 36 sports, between more than 380 high schools in the U.S. state of Massachusetts. The MIAA serves over 220,000 student athletes from these schools. The MIAA is a member of the National Federation of State High School Associations (NFHS), which writes the rules for most U.S. high school sports and activities. The MIAA was founded in 1978, and was preceded by both the Massachusetts Secondary School Principals Association (MSSPA) (1942–1978) and the Massachusetts Interscholastic Athletic Council (MIAC) (1950–1978).

Sports by season

Fall Winter Spring Cross country Basketball Outdoor Track & Field Soccer Wrestling Tennis Swimming & Diving (girls) Ice Hockey Lacrosse Unified Basketball Alpine Skiing Rugby Golf (boys) Nordic Skiing Unified Track & Field Volleyball (girls) Swimming & Diving Golf (girls) Field Hockey (girls) Indoor Track & Field Softball (girls) Football (boys) Gymnastics (girls) Volleyball (boys)Baseball (boys)

Rugby became the MIAA's 35th sport in 2016, following a 2015 MIAC vote that passed by a wide majority."Tuesday's school roundup: MIAA votes to add rugby for 2016-17", Boston Globe, Eric Russo, May 6, 2015. Girls wrestling gained MIAA status in 2019.

Districts and leagues The leagues in the MIAA are separated into nine districts (numbered 1–9).

District 1 Berkshire County League Pioneer Valley Interscholastic Athletic Conference

District 2 Central Massachusetts Athletic Conference

District 3 Midland Wachusett League Worcester County Athletic Conference

District 4 Dual County League Merrimack Valley Conference Middlesex League

District 5 Cape Ann League Commonwealth Athletic Conference Greater Boston League Northeastern Conference

District 6 Boston City League Catholic Central League Catholic Conference Massachusetts Charter School Athletic Conference

District 7 Bay State Conference Hockomock League Tri-Valley League

District 8 Big Three Conference Mayflower Athletic Conference Pioneer Athletic Conference South Coast Conference

District 9 Cape and Islands League Patriot League South Shore League

State champions

Most state championships

SportSeasonMost Championships Baseball Spring Somerville, Braintree & St. Mary's Lynn (5) Boys Basketball Winter Durfee (9) Girls' Basketball Winter St. Mary's Lynn, Cathedral, Archbishop Williams, Lee (7) Field Hockey Fall Watertown (22) Football Fall Longmeadow (13) Boys' Ice Hockey Winter Catholic Memorial (17) Girls' Ice Hockey Winter Notre Dame Academy (5) Boys' Lacrosse Spring Longmeadow (21) Girls' Lacrosse Spring Westwood (10) Girls' Rugby Spring Belmont (7) Boys' Soccer Fall Bromfield (13) Girls' Soccer Fall Sutton (12) Boys' Swimming & Diving Winter Weston (27) Girls' Swimming & Diving Fall/Winter Acton-Boxborough & Andover (17) Girls' Volleyball Fall Barnstable (18) Boys' Volleyball Spring New Bedford (8) Boys' Rugby Spring Boston College High (5)SoftballSpringTurners Fall (12)Girls' GymnasticsWinterBarnstable (12)

Baseball

Basketball The state champions for basketball are listed below.

Boys' Basketball Year MIT Tournament1926Salem1927Medford1928Arlington1929Brockton1930Chelsea1931Fitchburg1932Brockton (2)1933Fitchburg (2)1934Chelsea (2)1935Chelsea (3)1936Brockton (3)1937Lowell1938Chelsea (4)1939Lynn English Year Class A Class B Class C Class D 1940New BedfordFramingham1941Rindge TechBraintree1942Rindge Tech (2)Newburyport1943AttleboroLexington1944SomervilleBraintree (2)1945Somerville (2)Braintree (3)1946New Bedford (2)RocklandProvincetown1947DurfeeBoston LatinWayland1948Durfee (2)BelmontSomerset1949Somerville (3)MiltonPunchard1950Somerville (4)FairhavenDiman1951QuincyFairhaven (2)Chelmsford1952Durfee (3)WinchesterProvincetown (2)1953MissionWeymouthMarshfield1954Brockton (4)Winchester (2)Somerset (2)1955Somerville (5)Winchester (3)Holy FamilyWeston1956Durfee (4)South BostonWarehamBridgewater1957Lawrence CentralNatickCaseWayland (2)1958Somerville (6)Belmont (2)North AndoverWayland (3)1959EverettCharlestownOliver AmesE. Bridgewater1960MaldenWalpoleSilver LakeBridgewater (2)1961New Bedford (3)St. Mary’s (Waltham)PlymouthBridgewater (3)1962Rindge Tech (3)Catholic MemorialPlymouth (2)Westwood1963Rindge Tech (4)WinthropChelmsford (2)Falmouth1964Malden (2)Concord-CarlislePlymouth (3)Provincetown (3)1965Catholic Memorial (2)WakefieldOliver Ames (2)Holliston1966Durfee (5)MelroseChelmsford (3)Manchester1967Boston TechMelrose (2)Holy Family (2)Rockport1968Boston EnglishSwampscottCase (2)Westford1969Catholic Memorial (3)Braintree (4)Holy Family (3)Ipswich1970Catholic Memorial (4)Hyde ParkAndoverActon-Boxboro1971Somerville (7)Lexington (2)BarnstableActon-Boxboro (2) Year Division 1 Division 2 Division 3 Division 4 Division 51972 Lexington (3) Rockland (2) Holy Family 1973 Holy Name Rindge Tech (5) St. Mary’s (Worcester) 1974 Boston English (2) North Andover (2) Lenox 1975 Boston English (3) North Andover (3) Notre Dame (Fitchburg)1976 Don Bosco Commerce Cathedral 1977 Durfee (6) Commerce (2) Notre Dame (Fitchburg) (2) 1978 Lexington (4) Commerce (3) Charlestown (2)1979 Cambridge Rindge & Latin Hyde Park (2) Bartlett 1980 Cambridge Rindge & Latin (2) Lynn Classical Cathedral (2)1981 Cambridge Rindge & Latin (3) Wayland (4) Dover-Sherborn 1982No state tournament, (Proposition 2 1/2)1983No state tournament, (Proposition 2 1/2)1984 Durfee (7) West Roxbury Cardinal S 1985Brockton (5) East Boston Cohasset 1986 Cambridge Rindge & Latin (4) East Boston (2) Cohasset (2)1987 Springfield Central (2) Wahconah Frontier Regional 1988 Durfee (8) Milton (2) St. Joseph1989 Durfee (9) Duxbury Matignon 1990 Cambridge Rindge & Latin (5) Salem (2) Smith Academy 1991 Springfield Central (3) Sharon Wayland (5) 1992 South Boston (2) East Boston (3) Smith Academy (2) 1993 New Bedford (4) Belmont (3) Lynn Classical (2) 1994 New Bedford (5) Duxbury (2) Lynn Classical (3) Trinity Catholic 1995 South Boston (3) Salem (3) Winthrop (2) Avon 1996 South Boston (4) Milton (3) Pioneer Valley Arlington Catholic 1997 Taunton Wakefield (2) Pioneer Valley (2) Avon (2) 1998 Attleboro (2) St. Bernard’s Weston (2) Avon (3) 1999 Central Catholic East Boston (4) North Cambridge Catholic Avon (4) 2000 St. John’s Charlestown (3) Newburyport (2) Lynnfield2001 Cambridge Rindge & Latin (6) Charlestown (4) St. Joseph (2) St. Mary’s Lynn 2002 Pope Francis Charlestown (5) Lynn Tech St. Mary’s Lynn (2)2003 Amherst-Pelham Charlestown (6) Bellingham Matignon (2)2004 Commerce (4) Walpole (2) Rockland (2) Minuteman Regional2005 Newton North Charlestown (7) Whitinsville Christian Ipswich (2)2006 Newton North (2) Duxbury High (3)SABIS Cathedral (3)2007 Boston College High Tantasqua Regional Watertown Cathedral (4)2008 Central Catholic (2) Catholic Memorial (5)Frontier (2)North Cambridge Catholic (2)2009 St. John's (2) Milton (4) Watertown (2)Cathedral (5)2010 Central Catholic (3) Sabis (2) Wareham (2) New Mission2011 St. John's Prep New Mission (2) Whitinsville Christian School (2) Winthrop (3)2012 Springfield Central (3)Mahar Regional Danvers St. Mary's Lynn (3)2013 Putnam Vo-Tech BrightonDanvers (2) Bishop Connolly2014 Putnam Vo-Tech (2) New Mission (3) Cardinal Spellman (2) St. Clement2015 Catholic Memorial (6) Danvers (3) Old Rochester Hamilton-Wenham2016 Cambridge Rindge & Latin (7) New Mission (4) Bishop Stang St. Mary's Lynn (4)2017 Cambridge Rindge & Latin (8) Brighton (2) Hanover Maynard2018 Mansfield Tech Boston Watertown (3) Pope John XXIII2019 Lynn English (2) Tech Boston (2) Dover-Sherborn (2) Worcester Tech 2020 Lynn English (3) & Springfield Central (4) Whitman Hanson & Taconic Burke & Sutton Abington & Hopedale2020State tournament cut short due to the COVID-19 pandemic leading to Co-champions2021No state tournament due to the COVID-19 pandemic2022 Boston College High (2) Malden Catholic St. Mary's Lynn (5) Randolph Maynard (2)2023 Worcester North Malden Catholic (2) Archbishop Williams Wareham (3) Taconic (2)2024 Worcester North (2)Malden Catholic (3) Charlestown (8)Wareham (4) New Mission (5) 2025 Franklin Somerset-Berkley (3) Norwell Georgetown Pioneer Valley (3) 2026 Bishop Feehan St. Mary’s Lynn (6) Salem (4) Wareham (5) Hoosac Valley Rank School Number Years 1 Durfee 9 1947, 1948, 1952, 1956, 1966, 1977, 1984, 1988, 1989 2 Cambridge Rindge & Latin 8 1979, 1980, 1981, 1986, 1990, 2001, 2016, 2017 2 Charlestown 8 1959, 1978, 2000, 2001, 2002, 2003, 2005, 2024 4 Somerville 7 1944, 1945, 1949, 1950, 1955, 1958, 1971 5 Catholic Memorial 6 1962, 1965, 1969, 1970, 2008, 2015 5 St. Mary’s Lynn 6 2001, 2002, 2012, 2016, 2022, 2026

Girls' Basketball Year Division 11974 Wayland1975 Hampshire Year Division 1 Division 2 1976 Brockton Hampshire (2) 1977 Chicopee Comp Hampshire (3) Year Division 1 Division 2 Division 31978 Chicopee Comp (2) Drury Hampshire (4) 1979 Cambridge R&L Westwood Martha's Vineyard1980 Salem Amherst Ipswich1981 Newton North Abington Martha's Vineyard (2)1982 No state tournament, (Proposition 2 1/2)1983 No state tournament, (Proposition 2 1/2)1984 St. Peter-Marian Walpole Lenox1985 Peabody Westwood (2) Quaboag 1986 Methuen Monument Mountain Quaboag (2)1987 Haverhill North Attleboro Coyle & Cassidy1988 Chicopee Comp (3) Wakefield Cohasset1989 Haverhill (2) Walpole (2) Lee1990 Bridgewater-Raynham Milton Lee (2)1991 Brockton (2) North Attleboro (2) Lee (3)1992 Haverhill (3) Oxford Lenox (2)1993 Amherst (2) Oxford (2) Lee (4) Year Division 1 Division 2 Division 3 Division 41994 Haverhill (4) Walpole (3) Medway Hopkinton1995 Haverhill (5) Walpole (4) Foxborough Ipswich (2)1996 Haverhill (6) Masconomet Archbishop Williams Marian1997 Minnechaug Wakefield (2) Lee (5) Hull1998 Minnechaug (2) Duxbury Old Rochester Hopkinton (2)1999 Methuen (2) David Prouty Burke Tyngsborough2000 Minnechaug (3) Monument Mountain (2) Rockland Sacred Heart2001 Brockton (3) Concord-Carlisle Westwood (3) Hopkinton (3)2002 Cambridge R&L (2) Walpole (5) Westwood (4) St. Mary's Lynn2003 Andover Hampshire (5) Lee (6) Harwich2004 Minnechaug (4) Walpole (6) Quaboag (3) Harwich (2)2005 Dartmouth Hampshire (6) Case Ursuline Academy 2006 Braintree Oliver Ames Quaboag (4) Marian (2)2007 Springfield Central Lincoln-Sudbury Archbishop Williams (2) New Mission2008 Northampton Wellesley Archbishop Williams (3) Cohasset (2)2009 Central Catholic Notre Dame (Hingham) Swampscott Millis2010 Andover (2) Oliver Ames (2) Lee (7) Cohasset (3)2011 Andover (3) Arlington Catholic St. Mary's Lynn (2) Hull (2)2012 Andover (4) Reading Memorial Pentucket Fenway2013 Central Catholic (2) Medfield Archbishop Williams (4) Fenway (2)2014 Braintree (2) Arlington Catholic (2) St. Mary's Lynn (3) Millis (2)2015 Braintree (3) Duxbury (2) Archbishop Williams (5) Millis (3)2016 Bishop Feehan Longmeadow Bishop Fenwick Cathedral 2017 Springfield Central (2) Medfield (2) Archbishop Williams (6) Cathedral (2)2018 Braintree (4) Foxborough (2) Archbishop Williams (7) Coyle & Cassidy (2)2019 Braintree (5) Pentucket (2) Hoosac Valley Cathedral (3)2020 Andover (5) & Franklin Foxborough (3) & Taconic St. Mary's Lynn (4) & Hoosac Valley (2) Cathedral (4) & Maynard 2021No state tournament due to the COVID-19 pandemic Year Division 1 Division 2 Division 3 Division 4 Division 52022 Springfield Central (3) Oliver Ames (3) St. Mary's Lynn (5) Amesbury Hopedale2023 Andover (6) Foxborough (4) St. Mary's Lynn (6) Cathedral (5) Springfield International2024 Bishop Feehan (2) Medfield (3) Foxborough (5) Cathedral (6) Hoosac Valley (3)2025 Wachusett Medfield (4) St. Mary's Lynn (7) Cathedral (7) Hoosac Valley (4)2026 Wachusett (2) Medfield (5) Bishop Fenwick (2) South Hadley Hopedale (2)