[2] Students from Delran Township, which partly encircles Riverside, had attended the school until 1976.

[16] The boys' basketball team won the Group I title in 1954 (against runner-up Park Ridge High School in the finals of the tournament) and won the Group II state championship in 1959 (vs. North Arlington High School).

[17] The 1954 team won the Group I title with a 57-54 win against Park Ridge in the championship game played at the Elizabeth Armory, finishing the season at 25-0 and becoming the first team in seven years to win a playoff title and complete the season undefeated.

[21] The 1996 team ended the season with an 18-5 record after defeating Whippany Park by a score of 4-2 in the finals to win the Group I state title.

[22] The girls' soccer team defeated Butler High School in the championship game to win the 2005 Group I state title.