The Rancocas Valley Regional High School Red Devils compete in the
Burlington County Scholastic League (BCSL), which is comprised of public and private high schools in Burlington,
Mercer and
Ocean counties in
central New Jersey, operating under the jurisdiction of the
New Jersey State Interscholastic Athletic Association (NJSIAA). With 1,537 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Group IV for most athletic competition purposes, which included schools with an enrollment of 1,060 to 5,049 students in that grade range. The football team competes in the Memorial Division of the 94-team
West Jersey Football League superconference and was classified by the NJSIAA as Group V South for football for 2024–2026, which included schools with 1,333 to 2,324 students. Rancocas Valley competes in the BCSL's Liberty Division. The school's mascot is the Red Devil and its colors are red and white. The baseball team won the Group IV state championship in 1975 (defeating runner-up
John F. Kennedy High School in the finals) and 1995 (vs.
Northern Valley Regional High School at Demarest). The 1975 team finished the season with a 19-7 record after coming from behind to win the Group IV state title with a 6-5 win against Kennedy of Paterson, after tying the game in the seventh inning and scoring the winning run in extra innings. The team won the Group III title in 1995 with a 2-0 win against Northern Valley / Demarest on a series of hits in the game's first inning. The softball team won state championships in Group III in 1977 (vs.
Ramapo High School) and 1994 (vs.
Passaic Valley Regional High School), and won in 2005 in Group IV (vs.
J.P. Stevens High School). The 1977 team had an 18-4 record after winning the Group III title by defeating Ramapo by a score of 1-0 in the championship game. The 1994 team won the Group III title and finished the season with a 26-1 record with a 12-0 win against Passaic Valley in the championship game. The team won the Group IV title in 2005 with a 2-0 victory against J.P. Stevens in the playoff finals.
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The Star-Ledger ranked Rancocas Valley as their number-one softball team in the state in 1994 and 2005. The softball team won the 2007 Central, Group IV state sectional championship, edging
Manalapan High School 1-0 in the tournament final. The 1987 football team finished the season with a 9-2 record after winning the NJSIAA South Jersey Group III state sectional title with a 26-0 win against
Point Pleasant Borough High School in the championship game. Just two years earlier, in 1985, the team failed to win a single game. RV has produced three first-round NFL draft picks in
Franco Harris,
Irving Fryar and
Alonzo Spellman. The girls track team won the indoor track Group III state championship in 1987 and the Group IV title in 2017. The girls' field hockey team won the South Jersey Group III state sectional title in 1992 and the Central Jersey Group IV title in 2006, 2008 and 2018. The team took the Central Jersey Group IV state sectional title with a 2-1 win against
Cherokee High School in the tournament final. The boys basketball team won the Group III state title in 1996 (with a win against
Henry Snyder High School in the tournament final) and won the Group IV title in 1998 (vs.
John F. Kennedy High School) and 2008 (vs.
Piscataway High School). The team won the 1996 Group III state championship with a 71-62 win against Henry Snyder High School and won the 1998 Group IV state championship with a 63-43 win against John F. Kennedy High School in the tournament final. In 2008, boys' basketball team won the Central Group IV state sectional championship with a 70-51 win over
Trenton Central High School in the tournament final. The team went on to win the Group IV state championship, the programs' third title, with a 55-43 win against Piscataway High School. In 2011, the boys' basketball team added a sectional championship, by beating Jackson Memorial in the Central Jersey Group 4 title game. In 1998, the boys' spring track team went undefeated for the first time since 1979. In 2004, the boys' soccer team was Group IV co-champion with
Kearny High School in a game that ended in a scoreless tie after regulation and two overtimes. The 2008 boys' soccer team won the Group IV state championship with a 2-0 win over
Clifton High School. The girls' basketball team won the Group IV state championship in 2011 (defeating
John F. Kennedy High School in the tournament final) and 2013 (vs.
Eastside High School). The team won the Group IV title in 2011 by a score of 67-52 score in the final game of the playoffs against John F. Kennedy High School. The team won the 2013 Group IV title with a 64-45 win against Eastside High School in the finals. The boys track team won the Group IV spring / outdoor track state championship in 2015. The school is represented by an ice hockey team in Varsity Tier I of the South Jersey High School Ice Hockey League. ==Extracurricular activities==