The Cherry Hill High School East Cougars compete in the
Olympic Conference, which is comprised of public and private high schools located in
Burlington, Camden and
Gloucester counties, and is overseen by the
New Jersey State Interscholastic Athletic Association (NJSIAA). With 1,649 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 Classic 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.
Baseball The varsity boys' baseball team won the 2014 Mingo Bay Classic in
Myrtle Beach, South Carolina. They also won the 1986 and 1998
Olympic Conference Championship. In 2019, the team won the Olympic Conference American Division title and reached the South Jersey, Group 4 sectional final and won the South Jersey Group IV Title in 1998.
Cross country The varsity boys' cross country team won the South Jersey Group IV boys' NJSIAA sectional championships in 2013 and 2014. They won their first ever state Group IV boys' NJSIAA championship in 2014.
Basketball East basketball teams are consistently ranked in the Top Ten in South Jersey. The team won its first ever South Jersey Group IV boys' NJSIAA championship in 2014, defeating
Cherokee High School by a score of 54–41. They retained their South Jersey Group IV title in 2015 with a 48–39 win against
Cherokee High School in double overtime. The team is coached by David Allen.
Field hockey In 1971, the field hockey team won the initial South I sectional championship.
Football The Cougars used to play their home games at the township stadium, Jonas C. Morris Stadium, which they shared with
Cherry Hill High School West, however the team now plays its home games at Cherry Hill East. Annually, the Cougars face cross town rival Cherry Hill West on the night before Thanksgiving, a rivalry described by
The Philadelphia Inquirer as "one of the best in South Jersey", in which the winner of the contest receives the Al DiBart Memorial Trophy, also known as "The Boot." In 2024, the Cougars won "The Boot" for the first time after 12 consecutive losses with a 28–7 win over Cherry Hill West. The 1988 football team finished the season with a record of 11-0 after winning the South Jersey Group IV state sectional title by defeating
Brick Township High School by a score of 36–14 in the championship game.
Volleyball The girls' volleyball team won its first New Jersey Group IV state championship in 2005, defeating
Hunterdon Central Regional High School in the final game of the playoff tournament. The boys' volleyball team won New Jersey Group IV state championships in 1996 (vs.
Fair Lawn High School), 1997 (vs.
West New York Memorial High School) and 1998 (vs.
East Brunswick High School). The 1996 team ran their record to 22-0 after defeating defending-champion Fair Lawn in three games (16-14, 11-15 and 15–10) in the finals to win the Group III tournament. The 1998 team finished the season at 21-2 after defeating East Brunswick in two games (15–5 and 15–9) in the finals.
Tennis The girls tennis team won the South state championship in 1973 and 1975. The team won the Group IV state championship in 1982 (vs.
Ridgewood High School in the final match of the tournament), 1983, 1989 (vs.
Marlboro High School), 1995 (vs.
Middletown High School South), 1997 (vs.
Hillsborough High School), 2001 (vs.
Livingston High School), 2002 (vs.
Watchung Hills Regional High School), 2003 (vs.
Bridgewater-Raritan High School) and 2004 (vs. Marlboro HS). The team won the 2003
Tournament of Champions, defeating runner-up
Montclair Kimberley Academy. The team's 9 group titles are the sixth-most of any school in the state In 2007, the girls' tennis team won the South Jersey, Group IV state sectional championship with a 4–1 win over
Washington Township High School in the tournament final. In 2016, the girls' team repeated as South Jersey, Group IV state sectional champion with a 5–0 win over
Egg Harbor Township High School. The boys tennis team won the Group IV state championship in 1979 (defeating
Ridgewood High School in the finals), 1980 (vs. Ridgewood), 1983 (vs. Ridgewood), 1990 (vs.
East Brunswick High School), 1991 (vs. East Brunswick), 1993 (vs.
Livingston High School), 1994 (vs.
Bridgewater-Raritan High School) and 1995 (vs.
Westfield High School). The team won the 1991 public school state championship against
Haddonfield Memorial High School and then the overall state title, defeating
Christian Brothers Academy in the public vs. non-public finals. The program's nine state titles are tied for tenth-most in the state. The team won the public school title in 1979 and ran their season record to 22–0 with a 3–2 win against
Glen Ridge High School in the finals played at
Princeton University's
Jadwin Gymnasium. The 1980 team won the Group IV title with a 5–0 win against a Ridgewood squad that came into the finals with a 23-match winning streak.
Bowling The boys' bowling team won the overall state championship in 1979. The team won the Group III title in 2007 and went on to win the sport's first
Tournament of Champions.
Ice hockey Cherry Hill High School East has a separate club
ice hockey team as a member of the South Jersey High School Ice Hockey League. The team won four consecutive Varsity-Tier II championships in 2017, 2018, 2019 and 2020.
Swimming The boys swim team won the public school state championship in Division A from 1971–1974 and 1976–1979, won the Public A title in 2002, 2015, 2017, 2019, and 2022; the 14 state titles are tied for sixth most in the state. The girls team won the Division A title in 1975–1977, 1979, 1983, 1984, 1986, 1997–1999 and 2025; the 13 state titles are the third-most in the state. Through 2019, the boys' team has had 11 consecutive Central and South Jersey Group A sectional title wins, eight state Group A championship appearances and three state championship wins. In 2015, the Cougars won their first state title in 13 years. In 2016, East would again lose to Westfield. In the 2017 championship, a rivalry was reborn between East and Bridgewater-Raritan High School. Their first bout led to East winning its second state title in three years. In the 2018 championship, the Cougars were bested by a strong Bridgewater-Raritan team. The two teams faced off again in the 2019 state championship, where East won the match-up. This was the team's third state title in five years. ==Clubs==