The Lincoln High School Lions compete in the Hudson County Interscholastic League, which is comprised of public and private high schools in Hudson County. The league operates under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA). With 493 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Group II for most athletic competition purposes, which included schools with an enrollment of 486 to 758 students in that grade range. The football team competes in the National Red 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 school was classified by the NJSIAA as Group II South for football for 2018–2020.