The Florence Township Memorial High School Flashes compete in the Burlington County Scholastic League, which is comprised of public and non-public high schools covering Burlington, Mercer and Ocean counties in Central Jersey, operating under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA). With 336 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 75 to 476 students in that grade range. The football team competes in the Freedom Division of the 95-team West Jersey Football League superconference and was classified by the NJSIAA as Group I South for football for 2018–2020. The school's team name is "Flashes" and the primary school colors are blue and gold.