Atlantic Coast League
The Atlantic Coast League is a high school athletic conference in District C of the Massachusetts Interscholastic Athletic Association.
Schools
At one point, the ACL had 10 member schools. During the mid-1990s, Hingham, Scituate and Randolph all left the ACL for the newly formed Patriot League. in 1999, Marshfield left the ACL for the Old Colony League, but re-joined the ACL in 2006. In 2008, Quincy, North Quincy and Whitman-Hanson all departed the ACL for the Patriot League. In 2015, Plymouth North and Plymouth South, longtime members of the ACL, also departed for the Patriot League.The following five high schools are members of the Atlantic Coast League.
| School | Location | Colors | Mascot | Enrollment |
| Dennis-Yarmouth Regional High School | South Yarmouth, MA | Green & White | Dolphins | 1,016 |
| Falmouth High School | Falmouth, MA | Maroon & White | Clippers | 881 |
| Marshfield High School | Marshfield, MA | Green, Black & White | Rams | 1,323 |
| Nauset Regional High School | Eastham, MA | Black & Gold | Warriors | 1,009 |
| Sandwich High School | East Sandwich, MA | Navy Blue, Sky Blue & White | Blue Knights | 809 |
Former Members
- Hingham
- Plymouth North
- Plymouth South
- Randolph
- Rockland
- Scituate
- Quincy
- North Quincy
- Whitman-Hanson
Football League Champions
- 2017 - Dennis-Yarmouth
- 2016 - Falmouth
- 2015 - Marshfield
- 2014 - Marshfield
- 2013 - Plymouth South
- 2012 - Plymouth South
- 2011 - Dennis-Yarmouth
- 2010 - Dennis-Yarmouth
- 2009 - Marshfield
- 2008 - Marshfield
- 2007 - Marshfield
- 2006 - Marshfield
- 2005 - Plymouth North
- 2004 - Plymouth North
- 2003 - Plymouth North
- 2002 - Plymouth North
- 2001 - Whitman-Hanson
- 2000 - Whitman-Hanson
- 1999 - Marshfield
- 1998 - Marshfield
- 1997 - Marshfield
- 1996 - Marshfield
- 1995 - Marshfield
- 1994 - Whitman-Hanson
- 1993 - Whitman-Hanson
- 1992 - North Quincy
- 1991 - Whitman-Hanson
- 1990 - Whitman-Hanson