[4] To address overcrowding at Riverside High School, efforts to merge the three districts in Delanco, Delran and Riverside Townships into a combined regional K-12 system were rejected in a November 1971 referendum, with Delran Township voters in favor of the regionalization and the voters in the other two municipalities opposed.

[13] The Delran High School Bears[2] compete in the Freedom Division of the Burlington County Scholastic League (BCSL) sports association, which is comprised of public and private high schools covering Burlington, Camden, Mercer and Ocean counties in Central Jersey and operates under the jurisdiction of the New Jersey State Interscholastic Athletic Association (NJSIAA).

[20] The 1986 team finished the season with a record of 17-5-1 after being declared as co-champion with Delran following a 1–1 tie in the tournament final played at Trenton State College.

The team won the 2008 Central Jersey Group II sectional with a 3–1 win over Shore Regional High School.

Then they played West Deptford High School and pulled a 1–0 victory over the South Jersey Group II champions in the state semi-finals.

In the state finals they had a re-match with Cliffside Park High School, the team they tied in the state-finals the previous year, and ended up beating them, 2-0.

[27] In 2013, the team defeated Newton High School in the tournament final by a score of 3-2 in overtime to win the Group II title.

[40] The girls basketball team won the Group II state title in 1995, with an 84-49 win against runner-up Morris Hills High School in the tournament final.

[41][42] The softball team defeated Arthur L. Johnson High School in the final of the playoffs to win the 1995 Group II state championship.