The Titans (then Tomahawks) saw considerable athletic success during the early 2000's, winning seven state titles between 2004 and 2012. The Boys' Soccer team won back-to-back titles in 2004 and 2005, and Boys' Baseball followed up with another title for the third straight year in 2006. The Girls' Tennis and Soccer teams both earned state titles in 2009, and the Girls' Gymnastics added two more titles, again back-to-back in 2011 and 2012. Algonquin maintains a strong cross-town
rivalry with
Westborough High School, in which both teams compete in an
annual Thanksgiving Day Football Game.
Soccer The Algonquin Boys' Varsity Soccer team captured two straight MIAA Division I State titles in 2004 and 2005, the first state titles for the entire school. In 2006, they returned to the state final to play
St. John's Preparatory School, but lost 4–1. The Algonquin girls' soccer team's upset of nationally-ranked
Acton-Boxborough Regional High School in the 2009 Massachusetts State Final made local headlines and was even recognized by
ESPN. The girls have come close to another state title three times, first in 2015 when the team played in the title game but lost to
Needham 3–1, in 2019 when they lost in the semifinal to
Westfield 1–0 in overtime, and in 2022, losing the State Final 1-0 to
Hingham.
Tennis In 2009 the Girls' Varsity Tennis team had an undefeated season and eventually won the state title. That same year, the Boys' tennis team won the Central Massachusetts Division Title but lost to Longmeadow in the state semi-final. In 2010, the Girls' team received a #1 seeding in the state tournament.
Gymnastics Girls' Varsity Gymnastics became State Champions in 2011 after an undefeated season, being named both League and Sectional Champions, then repeated the same feat in 2012.
Lacrosse The Boys' lacrosse program won the Central Massachusetts District in 2007 and then again in back-to-back years in 2011 and 2012, however they just fell short of the State Title both times, losing to Eastern Mass champions
Medfield High School and
Concord-Carlisle High School, respectively. The Girls' program recently became Central Massachusetts Champions and became the first team in Massachusetts girls lacrosse history to represent Central Massachusetts in the State Final Game; they lost to Eastern Mass powerhouse
Westwood High School.
Rugby The Girls' Rugby team has won the MYRO State championship every year from 2011 to 2015.
Ice Hockey After upsetting the heavily favored
Shrewsbury Colonials 3–2 in a shootout, the boys' ice hockey team won the 2015–2016 Division III Central Massachusetts championship, beating
Groton-Dunstable 2–1 in a shootout. They then beat Westfield 6–2 in the state semi-final before falling to
Hanover 5–1 at the
TD Garden in the State Championship game. The Girls' Hockey team won the 2022 Division II State Championship after a 2-1 OT win over
Canton. It was the team's third-straight overtime victory, defeating
Medfield and
Winchester in the state semi-final and quarter-final respectively. It was the first state championship in hockey in Algonquin's history.
Volleyball The 2017 Boys Volleyball team completed an undefeated season, but failed to secure any tournament title. ==
The Harbinger==