[9] The Cliffside Park High School Red Raiders[2] compete in the Big North Conference, which is comprised of public and private high schools in Bergen and Passaic counties, and was established following a reorganization of sports leagues in Northern New Jersey by the New Jersey State Interscholastic Athletic Association (NJSIAA).

[12] The football team competes in the Ivy Red division of the North Jersey Super Football Conference, which includes 112 schools competing in 20 divisions, making it the nation's biggest football-only high school sports league.

[18] Led by Gerald Calabrese, the 1943 team defeated Merchantville by a score of 42–26 in the Group III final; a proposal was made to have Cliffside Park play Group II champion Weehawken High School in a fundraiser for the American Red Cross.

[20] With five touchdowns from their fullback, the 1977 football team won the NJSIAA North I Group III state sectional title with a 37-6 win in the championship game against Indian Hills High School in front of 32,000 fans at Giants Stadium.

[28][29] In 2010, the team won its fourth consecutive state sectional title with a 3-1 win against Bernards High School.

[30] The 2010 boys soccer team was recognized by The Record as the North Jersey Boys Soccer Team of the Year after winning the Group II state championship with a 1-0 win over Haddon Heights High School, the first sole possession of the state title in the program's history after sharing the Group II title in 2008.

"[33] The book has attracted national press coverage in the United States from CNN,[34] the Wall Street Journal,[35] NBC Nightly News,[36] People, Yahoo,[37] Al Día, and other outlets.