The girls spring / outdoor track team won the Group IV state championship in 1976 (as co-champion with Toms River High School South).
[22] The 2007 team won the South Jersey Group IV sectional title with a 22–19 win against Mainland Regional High School to finish the season 12–0.
[24] In 2022, the Mariners won the Group V state title by a score of 28–7 against the Passaic Tech Bulldogs in the finals at Rutgers University's SHI Stadium to finish the season with a 14–0 record.
[27] In 2024, Toms River North won 41–0, the team's 24th win in the previous 31 meetings of the schools, to bring the overall record to 26–26–1.
[30] In 2004, the team took the Central Jersey Group IV title, edging Shawnee High School 1–0 in the tournament final.
[32] Under the tutelage of Matt Jelley, who was coach at Toms River North from 2000 until 2007 when he was hired to become coach at Temple University, the team won six county titles, a Shore Conference title, three South Jersey Group IV state titles, a Group IV state championship, and was ranked in the top 25 of the country four times reaching a high of 17th in 2004, with Jelley named by The Star-Ledger as its coach of the year for cross country in 2001.
[34][35] The team earned the South, Group IV sectional title in 2004 with a 2–1 victory against Shawnee High School.
In the 2005–06 season, Kevin Raylman took over as head coach of the program, while the team was in a very competitive, predominantly private school division, they were able to compile a 19–8–2 record.
[43] The girls' basketball team won the Group IV state championship in 2000, defeating Bloomfield High School by a score of 50–48 in the tournament final.
[44][45] The team won the 2000 South Jersey, Group IV state sectional championship with a 63–42 win.
[47] The baseball team won the state championship in both 2008 and 2009,[citation needed] coached since the early 1990s by Ted Schelmay.
[48] The school's girls' lacrosse team won division championships in 2009 through 2011, led by Tatum Coffey, who scored 123 goals and 65 assists in her senior year.
[53] Keller was named the school's principal in July 2011, replacing James Hauenstein who was promoted to an Assistant Superintendent.