The Audubon High School Green Wave compete as a member school in the
Colonial Conference, which is comprised of small schools in Camden and
Gloucester counties whose enrollments generally do not exceed between 750-800 students for grades 9-12 and operates under the jurisdiction of the
New Jersey State Interscholastic Athletic Association. With 429 students in grades 10-12, the school was classified by the NJSIAA for the 2022–24 school years as Group I South for most athletic competition purposes. The football team competes in the Colonial Division of the 94-team
West Jersey Football League superconference and was classified by the NJSIAA as Group I South for football for 2022–2024, which included schools with 185 to 482 students. The school participates as the host school / lead agency for joint boys / girls swimming teams with
Collingswood High School. These co-op programs operate under agreements scheduled to expire at the end of the 2023–24 school year. The 1963 boys basketball team defeated
Paramus High School in the tournament finals by a score of 53-50 to win the Group III state championship at
Atlantic City Convention Hall. Down 14-0 at halftime, the 1975 football team came back to win the South Jersey Group II state sectional title with a 22-20 win against
Pleasantville High School in the championship game to finish the season with a 10-1 record. The traditional Thanksgiving Day football game is against
Haddon Township High School. Audubon won the Thanksgiving 2019 game by a score of 18-0, bringing their series record to 39-17-1. Wrestling Coach Dave Lang led the Green Wave to District 28 titles in both 1997 and 1999. The baseball team was awarded the South Jersey Group III title in 1961, 1964 and 1969. The team won the Group II title in 1975 (defeating runner-up
New Providence High School in the finals), 1996 (vs.
Newton High School), 1998 (vs.
Glen Rock High School) and 2001 (vs. Newton), and Group I championships in 1994 (vs.
Emerson Junior-Senior High School), 1995 (vs.
Pequannock Township High School), 2011 (
Waldwick High School) and 2012 (vs.
Pompton Lakes High School). The program's seven state championships are tied for fifth-most in the state. From the early 1990s to the early 2000s, many considered Audubon's baseball team a dynasty; winning state championships in 1994, 1995, 1996, 1998 and 2001. A 3-0 win in the 1996 championship game against Emerson gave the team the Group II title and a 20-6 record for the season. The 1996 team finished the season with a 21-4-1 record after winning the Group II state title by defeating Newton by a score of 8-1 in the playoff finals; Audubon became the fourth school in the state to win three consecutive group titles. The 1998 team held on for a 7-6 win against Glen Rock to win the Group II state championship and finish the season 30-2. The 2001 team finished the season with a record of 28-4 after winning the Group II state championship with an 8-1 win over Newton. In June 2011, Audubon's baseball team defeated
Waldwick High School for the Group I state championship, the team's seventh overall in the playoff era. The girls softball team won the Group II state championships in 1976 (defeating
Hawthorne High School in the tournament final) and 1977 (vs.
Rutherford High School). The 1977 team had a 14-run third inning on the way to winning the Group II title with a 16-3 defeat of Rutherford in the championship game. The field hockey team won the Central Jersey Group I sectional championship in 2010 and 2011. The team won the 2005 and 2006 Patriot Division championships. In 2018, the girls soccer team won the high school's first Group I state championship. The game went into penalty kicks with the win, taking down
Glen Ridge High School. The boys cross country team won the Group I state championship in 2021. The boys spring / outdoor track team won the Group I state championship in 2022. ==Marching band==