 The South River High School Rams participates in the Greater Middlesex Conference, made up of public and private high schools located in the greater Middlesex County area and operated under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA).With 454 students in grades 10-12, the school was classified by the NJSIAA for the 2015-16 school year as Central Jersey, Group I for most athletic competition purposes, which included schools with an enrollment of 12 to 467 students in that grade range.Interscholastic sports offered at South River High School include soccer, football, wrestling, basketball, track and field, cross-country, tennis, bowling, baseball, and softball.