Lynnfield High School is a member of the Cape Ann League and is a Division III competitor in the Massachusetts Interscholastic Athletic Association.

[3] Lynnfield High School has many notable art and music programs, as well as clubs and extracurricular activities.

Every fall, a Club Fair is held during school, organized by student representatives from different activities to inform and encourage freshmen to participate and get involved.

The company performs a 40-minute play each winter as a long-time participant of the METG (Massachusetts Educational Theater Guild)'s High School division Dramafest.

[citation needed] To graduate from Lynnfield High School, students must earn 108 credits and meet the following departmental and community service requirements: additional 15 hours to be completed by the end of semester one of the senior year) Students must be scheduled for a minimum of 27.5 credits (or the equivalent) per school year.