The Massachusetts Interscholastic Athletic Association (MIAA) is an organization that sponsors activities in thirty-three sports, comprising 374 public and private high schools in the U.S. state of Massachusetts. 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).

MIAA Sports

Sports and Seasons

Girls wrestling gained MIAA status in 2011. Rugby became the MIAA's 35th sport in 2016, following a 2015 MIAC vote that passed by a wide majority.

Districts & Leagues

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

District 1

District 2

District 3

District 4

District 5

District 6

District 7

District 8

District 9

State Champions

Most State Championships

Baseball

The MIAA Baseball State Champions are listed below.

Most State Championships

Basketball

The state champions for basketball are listed below.

Boys' Basketball

Most State Championships

Football

Ice Hockey

The state champions for ice hockey are listed below.

Boys' Ice Hockey

Most State Championships

Swimming & Diving

Boys' Swimming & Diving

Boys' Swimming & Diving has been an MIAA sport since 1947, competing in the winter season. Division 2 was added in 1987. The MIAA Boys' Swimming & Diving State Champions are listed below.

Most State Championships

Girls' Swimming & Diving

Girls' Swimming & Diving has been an MIAA sport since 1972, beginning solely as a fall season sport. Girls' swimming & diving then expanded to become both a fall and winter season sport beginning in 1991. Division 2 was added in 2004 for the fall season and 2006 for the winter season. The MIAA Girls' Swimming & Diving State Champions are listed below.

Most State Championships

Soccer

Boys Soccer

The MIAA Boys Soccer State Champions are listed below.

Girls Soccer

The MIAA Girls Soccer State Champions are listed below.