Lacrosse was introduced as a spring support in 2014. Since then, the program has continued to grow and improve, with an increasing number of exhibition fixtures and the creation of a local ETIAC high school league. Girls lacrosse was introduced in the spring of 2022. In 2025, the Boys Lacrosse Spartans won the RSEQ league banner. The girls won the NEPSAQ McCoy Trophy in New England.