[19] The football team competes in the National Blue division of the North Jersey Super Football Conference, which includes 112 schools competing in 20 divisions, making it the nation's biggest football-only high school sports league.

The co-op program operates under agreements scheduled to expire at the end of the 2023–24 school year.

[26] The football team won the NJSIAA North I Group I state sectional championship in 2003 and 2019.

[27] The team finished with a season record of 11–1 in 2003 after winning the North I Group I state title with a 14–7 win against Butler High School in the championship game with 2,000 spectators at Henry P. Becton Regional High School.

[28] The team won the North I Group I title in 2019 with a 34–21 win against Cedar Grove High School.

[32] The Mountain Lakes-Boonton co-op ice hockey team won the Haas Cup in 2020.

[33] The girls basketball team won the NJSIAA North I Group I sectional tournament in 2023, defeating Park Ridge High School by 42-28 in the tournament final, to win the program's first sectional title since 1990.