In 2017, the football team had the opportunity to play against Everett High School in Fenway Park the day before Thanksgiving.

They defeated Franklin in walk-off fashion after 8 innings in the state semi-final on their way to earning the first title in school baseball history.

[citation needed] In a 2012 lacrosse game against Boston College High School, senior Jake Gillespie scored a record-tying 9 goals.

Masconomet added girls' hockey to its varsity program in 2000, with its inaugural game being played Dec. 15, 2000 at Johnson Rink at Pingree.

In the 2013-14 school year, Masconomet won state titles in Boys' Soccer (over Walpole, 5-3) and Baseball (10-2 over Westwood).

In the fall of the 2015-16 school year, Masconomet won the Division 2 North Final in Boys' Soccer (over Concord-Carlisle, 2-1).