The Toms River High School East Raiders compete in Division A South of the
Shore Conference, an athletic conference comprised of public and private high schools in
Monmouth and Ocean counties along the
Jersey Shore. The league operates under the jurisdiction of the
New Jersey State Interscholastic Athletic Association (NJSIAA). With 1,036 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 school was classified by the NJSIAA as Group IV South for football for 2024–2026, which included schools with 890 to 1,298 students. The school participates as the host school / lead agency in a joint ice hockey team with
Toms River High School South. The co-op program operates under agreements scheduled to expire at the end of the 2023–24 school year. The boys' soccer team won the 1985 South Jersey Group IV state sectional championship against
Jackson Memorial High School and went on to win the Group IV state title with a 3–1 win against
Westfield High School in the championship game to finish the season with a 19-5-1 record. The girls' cross country team won the Group IV state championship in 1988 and 1996. The girls' track team won the Group IV state indoor relay championship in 1990. The 1997 ice hockey team won the Handchen Cup with a 5–4 win against
River Dell High School. The girls' bowling team won the overall state championship in 1997 and won the Group IV title in 2009. The 2009 team won the Group IV title with 2,829 pins, the highest score in the competition, and entered the
Tournament of Champions as the top seed, before losing in the semifinals to forth-ranked
Keyport High School. The 2001 baseball team finished the season with a record of 29-2 after winning the Group IV state championship, defeating
North Bergen High School by a score of 4–3 in the tournament final. The football team won the Shore Conference championships in 2003, 2004, 2006, 2008, and 2009. The school's major rivalry is with the Mariners of
Toms River High School North. Every Thanksgiving weekend, the football teams play in the annual "Battle of Bay Avenue." The softball team won the 2007 South Jersey Group IV state sectional championship with a 5–2 win over
Absegami High School. ==
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