The Dual County League (DCL) is a dual county high school athletic conference in District 4 of the Massachusetts Interscholastic Athletic Association (MIAA). The conference serves schools from Middlesex County and Suffolk County.

Dual County League
ConferenceMassachusetts Interscholastic Athletic Association
Founded1946
DivisionMIAA Division I
No. of teams11
HeadquartersMassachusetts
RegionNew England
Websitehttps://www.dualcountyleague.org/g5-bin/client.cgi?G5genie=241

The league was founded in 1946 by schools Ashland, Dover-Sherborne, Medfield, Millis, Wayland, Weston, and Westwood; the name deriving from the counties of Middlesex and Norfolk[1][2].

History

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The original seven schools founded the league in 1946 for the upcoming basketball season[1][2]. Ashland was the first to leave in 1948[3], replacing them the following year would be Norfolk County Agricultural High School[4]. Sudbury high school joined in 1951, and would become Lincoln-Sudbury Regional High School three years later[5]. Medfield and Westwood left in 1957, with the newly founded Bedford High School replacing them[6]. The following year Dover-Sherborne, Millis and Norfolk Agricultural left the league; in 1959 Lynnfield High School and a returning Ashland replaced them[7]. This stretched the borders of the league all the way up to Essex County.

Dual County League
Map
About OpenStreetMaps
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7km
4.3miles
Wayland
Weston
Cambridge Rindge and Latin
Bedford
Acton-Boxborough
Newton South
Concord-Carlisle
Waltham
Boston Latin
Westford
Lincoln-Sudbury
Locations of Dual County League members, 2021-2022 full member

The beginning of the '60s saw Acton-Boxborough Regional High School and Holliston High School join the league, however Holliston would leave after their first year[8]. North Reading High School and a returning Westwood replaced Holliston in 1961[9][10]; Westwood becoming the sole school from Norfolk County in the league. North Reading only stayed until 1966, however.

Ashland, after having to constantly punch above their weight class, left for good in 1970 to the Tri-Valley League[11]. Replacing them was Newton South High School, who had already been playing Hockey in the league for multiple years[12]. Concord-Carlisle High School and Maynard High School joined in 1973[13][14], replacing Lynnfield who left for the Cape Ann League and Westwood who left for the Tri-Valley League[15]. Maynard's stay would be short-lived, however, and they would return to the Midland League the following year in 1974[16].

With departures of Lynnfield and Westwood, only schools from the Middlesex County made up the league. This would change in 1982, with Boston Latin School beginning their transition from the Boston City League to the DCL[17]. This made them the only school from Suffolk County.

In 1992, Westford Academy left the newly formed Midland Wachusett League for the Dual County[18]. The league remained unchanged for 15 years until Tyngsborough High School made the jump from the lower division Commonwealth Athletic Conference[19]. Additionally, Arlington High School began their transistion to the DCL the same year from the Greater Boston League which would be completed in 2008[20]. Waltham High School quickly joined in 2008, and the large size of the league caused it to split into two divisions based on size. The large division consisted of Acton-Boxborough, Boston Latin, Lincoln-Sudbury, Newton South, Waltham and Westford. The small division consisted of Arlington, Bedford, Concord-Carlisle, Tyngsborough, Wayland, and Weston[21].

By 2011, Arlington and Tyngsborough were having trouble competing against the many larger schools, and left to the Middlesex and Midland-Wachusett, respectively[22][23]. Finally, in 2014 Cambridge Rindge and Latin School left the Greater Boston League to become the most recent member of the Dual County[24].

The league no longer has two divisions, and Weston is currently an independent in football[25].

Member Schools

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The following eleven schools are a member of the Dual County League.[25]

SchoolLocationColorsNicknameType Year Joined Year foundedEnrollment
Acton-Boxborough Regional High SchoolActon, MassachusettsBlue & Gold    Revolutionpublic secondary 1960 19551,951
Bedford High SchoolBedford, MassachusettsBlue & White    Buccaneerspublic secondary 1957 1955829
Boston Latin SchoolBoston, MassachusettsPurple & White    Wolfpackpublic exam secondary 1982 16352,383
Cambridge Rindge and Latin SchoolCambridge, MassachusettsBlack, Silver, & White      Falconspublic secondary 2014 16481,836
Concord-Carlisle High SchoolConcord, MassachusettsMaroon & White    Patriotspublic secondary 1973 18521,300
Lincoln-Sudbury Regional High SchoolSudbury, MassachusettsNavy Blue & White   Warriorspublic secondary 1951 19541,641
Newton South High SchoolNewton, MassachusettsBlue & Orange    Lionspublic secondary 1970 19601,740
Waltham High SchoolWaltham, MassachusettsRed & White    Hawkspublic secondary 2008 19681,375
Wayland High SchoolWayland, MassachusettsOrange & Black    Warriorspublic secondary 1946 1854870
Westford AcademyWestford, MassachusettsMaroon & Grey    Ghostspublic secondary 1992 17921,651
Weston High SchoolWeston, MassachusettsMaroon, Grey, & White      Wildcatspublic secondary 1946 1932757

Former Members

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School Location Colors Nickname Years in League Current League
Arlington High School Arlington, Massachusetts Maroon, Grey, & White       Spy Ponders 2008-2011 Middlesex League
Ashland High School Ashland, Massachusetts Blue, White, & Red       Clockers 1946-1948, 1959-1970 Tri-Valley League
Dover-Sherborn High School Dover, Massachusetts Blue, White, & Black       Raiders 1946-1959 Tri-Valley League
Holliston High School Holliston, Massachusetts Red & White     Panthers 1960-1961 Tri-Valley League
Lynnfield High School Lynnfield, Massachusetts Blue & Gold     Pioneers 1959-1973 Cape Ann League
Maynard High School Maynard, Massachusetts Orange & Black     Tigers 1973-1974 Midland Wachusett League
Medfield High School Medfield, Massachusetts Blue, White, & Carolina Blue       Warriors 1946-1956 Tri-Valley League
Millis High School Millis, Massachusetts Maroon & Silver     Mohawks 1946-1958 Tri-Valley League
Norfolk County Agricultural High School Walpole, Massachusetts Blue & Gold     Rams 1949-1958 Mayflower League
North Reading High School North Reading, Massachusetts Green & Gold     Hornets 1961-1966 Cape Ann League
Tyngsborough High School Tyngsborough, Massachusetts Red, Black, & White       Tigers 2007-2011 Midland Wachusett League
Westwood High School Westwood, Massachusetts Forest Green & White     Wolverines 1946-1957, 1961-1973 Tri-Valley League

State Championships

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This is a list of MIAA state championships won by schools while a part of the DCL

Football

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Source: [26]

Note: From 1972 to 2012, football state championships were separated by region, so there would be multiple champions from each division. From 1972 to 1977 and from 1997 to 2008, it was split between Eastern Mass and Central/Western Mass and there would be two champions in each division. From 1978 to 1996 and from 2009 to 2012 Central and Western Mass split so there would be three champions in each division. In 2013 everything was combined and therefore only allowed one state champion per division.

  • Acton-Boxborough: 1994 D2B Eastern; 2001-2003 D2 Eastern; 2004 D1A Eastern
  • Concord-Carlisle: 1978, 2011 D3 Eastern
  • Lincoln-Sudbury: 1985, 1986, 1989 D3 Eastern
  • Wayland: 2006 D1A Eastern
  • Westford: 1993 D3B Eastern
  • Weston: 1991, 1998 D6A Eastern; 1996 D6B Eastern

Cross Country

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Source: [27]

Boys

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  • Weston: 1990 D2
  • Concord-Carlisle: 2018 D1

Girls

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  • Concord-Carlisle: 2017, 2019 D1
  • Lincoln-Sudbury: 2007, 2009 D1
  • Newton South: 1993, 2008 D1
  • Weston: 2022 D3
  • Westford: 2024 D1

Field Hockey

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Source: [28]

  • Acton-Boxborough: 2000, 2007, 2009, 2012, 2014, 2015 D1
  • Weston: 2008 D1

Fall Volleyball

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Source: [29]

  • Weston: 2023 D3

Soccer

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Source: [30]

Boys

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  • Concord-Carlisle: 2006, 2009, 2010, 2014, 2017 D2; 2023 D1
  • Lincoln-Sudbury: 2002 D2; 2015 D1
  • Wayland: 2001 D3
  • Westford: 1992 D2

Girls

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  • Acton-Boxborough: 2007 D1
  • Concord-Carlisle: 1979, 1980 D1, 1990 D2
  • Lincoln-Sudbury: 2003 D1
  • Weston: 1997 (Co-Champs with Sutton High School), 2010, 2012 D3

Fall Golf

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Source: [31]

  • Bedford: 1998 D3
  • Concord-Carlisle: 2008 D2
  • Lincoln-Sudbury: 1996, 2019 D1; 2007 D2
  • Wayland: 2009 D3; 2014 D2
  • Weston: 2007, 2008, 2010, 2013-2016, 2022, 2023 D3

Fall Swim & Dive

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Source: [32]

Girls

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  • Acton-Boxborough: 1982-1987, 1991-1998; 2021, 2022 D1
  • Bedford: 1974, 1975
  • Wayland: 1973

Basketball

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Source: [33]

Boys

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  • Acton-Boxborough: 1970, 1971 Class D
  • Cambridge R&L: 2016, 2017 D1
  • Wayland: 1947 Class C; 1957, 1958 Class D; 1981 D2; 1991 D3
  • Weston: 1955 Class D; 1998 D3
  • Westwood: 1962 Class D

Girls

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  • Concord-Carlisle: 2001 D2
  • Lincoln-Sudbury: 2007 D2

Winter Swim & Dive

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Source: [32]

Boys

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  • Acton-Boxborough: 1988-1995, 2000 D1
  • Lincoln-Sudbury: 1987 D1; 1998 D2
  • Wayland: 2009, 2010, 2017-2020, 2025, 2026 D2
  • Westford: 2015, 2023 D1
  • Weston: 1983 D1; 1986-1990,1993-1995, 1997, 1999-2008, 2012-2016, 2022-2024 D2

Girls

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  • Concord-Carlisle: 2024-2026 D1
  • Lincoln-Sudbury: 2009, 2011, 2015, 2023 D1
  • Wayland: 2006-2009, 2012-2014, 2019 D2
  • Westford: 2012-2014, 2016-2020, 2022 D1
  • Weston: 2015, 2024-2026 D2

Gymnastics

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Source: [34]

Ice Hockey

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Source: [35]

Boys

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Girls

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  • Boston Latin: 2002 D1
  • Westford: 2004 D2

Alpine Ski

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Source: [36]

Boys

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  • Acton-Boxborough: 1983, 1984
  • Lincoln-Sudbury: 1990, 2001, 2002, 2004, 2012

Girls

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  • Concord-Carlisle: 1984
  • Lincoln-Sudbury: 1985-1988, 2016
  • Westford: 2012

Nordic Ski

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Source: [36]

Boys

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  • Concord-Carlisle: 1983-1986, 2018, 2019
  • Lincoln-Sudbury: 2010
  • Newton South: 2024

Girls

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Indoor Track & Field

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Source: [27]

Boys

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  • Acton-Boxborough: 2012, 2024 D1
  • Bedford: 1990 Class D (Co-Champs with Bishop Stang High School)
  • Lincoln-Sudbury: 1985, 1986 Class B
  • Wayland: 1993-1995 Class D; 2003 D3
  • Weston: 1973, 1991, 1997 Class D; 2019 D5
  • Westford: 2002 Class B (Co-Champs with Natick High School)
  • Westwood: 1972 Class D

Girls

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  • Acton-Boxborough: 2006, 2007 D1
  • Concord-Carlisle: 2017 D3; 2020 All-State
  • Lincoln-Sudbury: 1988 Class B; 2008 D1
  • Newton South: 1993, 1994 Class B; 2003, 2004 D2; 2009, 2017 D1
  • Weston: 1997, 1998 Class D; 2022, 2023 D5; 2026 D4
  • Westford: 2008, 2026 D2

Wrestling

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Source: [37]

Boys

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  • Weston: 1998 D3
  • Wayland: 2006, 2010 D3

Baseball

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Source: [38]

  • Lincoln-Sudbury: 2005 D2; 2007, 2011 D1

Softball

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Source: [39]

  • Bedford: 1990 D3

Outdoor Track & Field

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Source: [27]

Boys

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  • Acton-Boxborough: 2021 All-State

Girls

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  • Cambridge R&L: 2015 All-State
  • Lincoln-Sudbury: 2006, 2007 All-State
  • Newton South: 2008 All-State
  • Weston: 2022, 2025, 2026 D5
  • Westford: 2021 All-State

Lacrosse

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Source: [40]

Boys

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  • Acton-Boxborough: 2014 D1
  • Concord-Carlisle: 1982, 1987, 1998 All-State; 2012, 2021 D2
  • Lincoln-Sudbury: 1978, 1991, 1994 All-State; 2015-2017, 2019 D1
  • Weston: 2011 D3

Girls

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  • Concord-Carlisle: 2025, 2026 D1
  • Acton-Boxborough: 1987 Eastern Mass. D2
  • Lincoln-Sudbury: 1988 Eastern Mass. D1; 2023 D1
  • Wayland: 1987 Eastern Mass. D1; 1990, 1991 Cross-Division

Spring Volleyball

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Source: [29]

  • Lincoln-Sudbury: 2011
  • Newton South: 2014
  • Wayland: 2026 D2

Tennis

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Source: [41]

Boys

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  • Acton-Boxborough: 2017, 2022 D1
  • Bedford: 2002 D2
  • Concord-Carlisle: 1992, 1999-2001 D2; 1993, 2008, 2009 D1; 2019, 2021, 2022 Eastern Mass D2
  • Lincoln-Sudbury: 1986-1988, 1990-1992 D1
  • Newton South: 1967 All-State; 1978 Class A; 1997 D1
  • Wayland: 1993, 1994 D1; 2012 D2; 2015, 2017 Eastern Mass D2
  • Weston: 1974-1976 Class A; 2010, 2011 D1; 2017-2019, 2021, 2026 D3; 2022, 2023 D4

Girls

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  • Acton-Boxborough: 2008, 2012, 2013, 2018, 2019, 2021 D1
  • Boston Latin: 2001-2003 D1
  • Concord-Carlisle: 1984-1988, 1990-1994, 2004, 2005 D1; 2012-2014 D2; 2015 Eastern Mass D2
  • Newton South: 1976, 1977 All-State; 2026 D1
  • Westford: 2010, 2011 D1
  • Weston: 1978 All-State; 2010, 2019 D3

References

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  1. 1 2 "School Sidelights". The Boston Globe. December 7, 1946. p. 5.
  2. 1 2 Mack Jr., Gene (December 30, 1946). "Schoolboy Sidelights". The Boston Globe. p. 5.
  3. "Schoolboy Sports Schedule Today". The Boston Globe. January 16, 1948. p. 13.
  4. "Schoolboy Sidelights". The Boston Globe. October 31, 1949. p. 4.
  5. "Yesterday's Sports". The Boston Globe. January 4, 1951. p. 20.
  6. Ernest, Dalton (October 31, 1956). "Bedford Sings Blues in the 'Might'". The Boston Globe. p. 29.
  7. "Pioneers go Down Again To Defeat". The Boston Globe. January 21, 1959. p. 19.
  8. "School Basketball". The Boston Globe. February 17, 1960. p. 20.
  9. "Lynnfield Winner at Reading". The Daily Item. January 17, 1962. p. 17.
  10. "Pioneers Win Dual County Game, 64-49". The Daily item. December 20, 1961. p. 21.
  11. "Wolverines on Target". The Patriot Ledger. January 3, 1970. p. 11.
  12. "Rebounds Decide Wolverines' Win". The Patriot Ledger. January 6, 1971. p. 24.
  13. Marvin, Pave (December 21, 1971). "Rivers five gathers no moss". The Boston Globe. p. 33.
  14. Cowles, Al (November 24, 1972). "Oska Runs Wild as Maynard Wins". The Lowell Sun. p. 35.
  15. Harrison (September 26, 1973). "Loss Saddens Bedford; Elias Sabourin's key". The Lowell Sun. p. 43.
  16. Harrison, Rick (September 5, 1974). "Maynard banks on defense". The Lowell Sun. p. 32.
  17. Roberts, Ernie (October 2, 1982). "The Stadium could be Breakers' home base". The Boston Globe. p. 27.
  18. Schecter, B.J. (September 1, 1992). "New Kid on Block". The Boston Globe. p. 54.
  19. Bradley, Michelle (August 30, 2007). "One giant step for Tyngsboro". The Boston Globe. p. 54.
  20. Lipka, Mike (August 30, 2007). "Local ADs always pressed for time, but say they'll manage". The Boston Globe. p. 150.
  21. Wright, Emily (August 28, 2008). "Dramatically Changed League". The Boston Globe. p. 42.
  22. Holmes, Bob (August 21, 2011). "Sites to behold: Search continues for Super Bowl homes". The Boston Globe. pp. C12.
  23. "Tyngsboro headed for new league". Lowell Sun. March 5, 2010. Retrieved June 12, 2026.
  24. Holmes, Bob (August 14, 2014). "MIAA defines process". The Boston Globe. pp. C7.
  25. 1 2 "MIAA League Directory" (PDF). miaa.net. MIAA. Retrieved August 4, 2025.
  26. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-football.pdf [bare URL PDF]
  27. 1 2 3 https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-track-cross-country.pdf [bare URL PDF]
  28. https://www.miaa.net/sites/default/files/2024-11/fieldhockey-2024-state-finals-program.pdf [bare URL PDF]
  29. 1 2 https://www.miaa.net/sites/default/files/2024-04/miaa-state-champions-volleyball.pdf [bare URL PDF]
  30. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-soccer.pdf [bare URL PDF]
  31. https://www.miaa.net/sites/default/files/2024-10/2024-fall-golf-program.pdf [bare URL PDF]
  32. 1 2 https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-swimming.pdf [bare URL PDF]
  33. https://www.miaa.net/sites/default/files/2024-04/miaa-state-champions-basketball.pdf [bare URL PDF]
  34. https://www.miaa.net/sites/default/files/2024-04/miaa-state-champions-gymnastics.pdf [bare URL PDF]
  35. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-ice-hockey_0.pdf [bare URL PDF]
  36. 1 2 https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-ski.pdf [bare URL PDF]
  37. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-wrestling.pdf [bare URL PDF]
  38. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-baseball.pdf [bare URL PDF]
  39. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-softball.pdf [bare URL PDF]
  40. https://www.miaa.net/sites/default/files/2024-04/miaa-state-champions-lacrosse.pdf [bare URL PDF]
  41. https://www.miaa.net/sites/default/files/2024-05/miaa-state-champions-tennis.pdf [bare URL PDF]