The Seneca High School Golden Eagles participate in the Olympic Conference (New Jersey), which is comprised of public and private high schools in Burlington and Camden counties and operates under the auspices of the New Jersey State Interscholastic Athletic Association (NJSIAA). With 856 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Group III for most athletic competition purposes, which included schools with an enrollment of 761 to 1,058 students in that grade range. The football team competes in the Constitution Division of the 95-team West Jersey Football League superconference and was classified by the NJSIAA as Group III South for football for 2018–2020.