Newton High School had served the region, with 13 districts paying tuition to send students as part of sending/receiving relationships.

[citation needed] Newton High School offers a variety of extracurricular activities, clubs, and groups.

[17][18] Prior to the 2010 realignment, the school participated in the Sussex County Interscholastic League until the SCIL was dissolved in 2009.

[20] The football team competes in the American White 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.

[27] The team won its second consecutive title with a 36-28 win against Kittatinny, and made it to the Group I state championship before losing to Paulsboro High School.

[28] Newton ranks first all-time in the number of individual state champions crowned, with 81 titles won through 2024.

[29] The program finished the season with an undefeated 12-0 record and won its first sectional championship in 2017, with a 28-14 win against Lakeland Regional High School in the final game of the North I, Group II tournament, played at Kean University.

[42] The 2013 team, as a co-op with Lenape Valley Regional, won the McMullen Cup with a 4-1 win against Bernards High School in the championship game played at the Richard J. Codey Arena.