The Saint Augustine Prep Hermits compete in the National Division of the
Cape-Atlantic League, an athletic conference comprised of public and private high schools in Atlantic,
Cape May,
Cumberland, and
Gloucester counties that operates under the aegis of the
New Jersey State Interscholastic Athletic Association (NJSIAA). With 976 students in grades 10-12, the school was classified by the NJSIAA for the 2019–20 school year as Non-Public, Group A for most athletic competition purposes, which included schools with an enrollment of 381 to 1,454 students in that grade range (equivalent to South, Group 3 for public schools). The football team competes in the American Division of the 94-team
West Jersey Football League superconference and was classified by the NJSIAA as Non-Public Group A (equivalent to Group III/IV/V for public schools) for football for 2024–2026, which included schools with 738 to 1,404 students. School colors are navy blue and white. The school offers 22 inter-scholastic sports programs, including: football, soccer, cross country, basketball, swimming, ice hockey, wrestling, winter/spring track and field, chess, baseball, golf, tennis, crew, lacrosse, volleyball, fencing, bowling, sailing, squash, surfing, and rugby. The basketball team has won five state titles in school history: Non-Public B in 1982 (vs.
Bayley-Ellard High School) and 1999 (
St. Patrick High School), and Non-Public A in 2004 (vs.
Seton Hall Preparatory School), 2011 (vs. Seton Hall) and 2016 (vs.
Don Bosco Preparatory High School). The team won the 2001 Parochial South B sectional championship defeating
McCorristin Catholic High School by 65–49 in the tournament final. The basketball team won the 2002 Parochial South A, defeating
Camden Catholic High School 50–45. The team won again in 2004 with a 56–48 win over Camden Catholic High School. In 2010–11, the basketball team won their fourth Non-Public A championship by defeating Seton Hall Prep 71–60. In the 2015–16 season, the team won their fifth Non-Public A championship by defeating
Don Bosco Preparatory High School by a score of 83–50 in the tournament final. Paul Rodio, a member of the class of 1970, earned his 776th victory in February 2013 as St. Augustine Prep's head basketball coach, making him the winningest coach in South Jersey history and won his 1,000th game in January 2023, his 46th season coaching the team, joining
Bob Hurley as one of the two New Jersey high school coaches to reach that win mark. The wrestling team won the Parochial B South sectional championship in 1983–1986, 2001, 2003, 2004, 2010, 2014–2017, 2019 and 2020, and won the Parochial B state championship in 1984, 1985, 2001 and 2003. The wrestling team won Non-Public B state titles in 2001 and 2003 over
Gloucester Catholic High School and
St. Mary's High School of
East Rutherford respectively. The 2001 title was the team's first since 1985. In 2014, 2015, 2016, 2017 and 2018, the Hermits won the South Jersey Non-Public A sectional title. The boys soccer team won the Non-Public B state championship in 1991 (defeating
Pingry School in the tournament final) and 1992 (vs.
Delbarton School), and won the Non-Public A title in 2003 (as co-champion with Delbarton), 2005 (vs.
Seton Hall Preparatory School), 2010 (vs. Pingry). The soccer team was declared state champion in the 2003 NJSIAA Parochial A Boys' Soccer State Tournament jointly with Delbarton School. The team was the Non-Public A Champion in the 2005 Boys Soccer Non-Public Finals, defeating
Seton Hall Preparatory School 4–1. The soccer team finished the season with a record and 25-1 and won the Non-Public A championship in 2010 with a 2–0 win over
Pingry School, marking the program's fifth state title and their first since their 2005 win. The football team, which was established in 1989 and finished the 1992 season at 1-8, won the Non-Public Group I state championship in 1995 with a 30-8 victory against
St. Mary High School in the championship game, to finish the season with a record of 9-2. The tennis team won the Non-Public, South A title in 2003 over
Monsignor Donovan High School 4–1. The team won the Non-Public, South A title again in 2005 and 2006, defeating
Christian Brothers Academy 5-0 and 4–1, respectively. In 2007, the tennis team finished the year 10th on
The Star-Ledger's top 20 list having won the Non-Public A State title in a come-from-behind 3–2 victory over Delbarton School, winning their first state title after having been swept 5-0 by Delbarton in both of their previous state title games. The swimming team won the Non-Public B title in 2004 and the Non-Public A championship in 2005, 2007-2009, 2017, 2023 and 2024. The swim team was the 4th-ranked swim team in the nation in 2005. They won the 06-07 Non-Public A state title with a 105–65 win against
St. Joseph High School and the 07-08 Non-Public A state title with a 109–61 victory over
Seton Hall Preparatory School. The team won the 2017 Non-Public A championship, the program's sixth state title, with an 89–81 victory over a
Christian Brothers Academy team that had won the Non-Public A title the seven previous years. The 2022-23 team captured the Non-Public A state championship with a 91-79 victory over
Christian Brothers Academy in February 2023. The team repeated as Non-Public A champions in the 2023-24 season, claiming the program’s eighth state title with an 95–75 victory over
Bergen Catholic High School in February 2024. The crew team's Lightweight 8+ won both the
Stotesbury Cup Regatta and the Scholastic Rowing Association of America Regatta (commonly referred to as the "Scholastic Nationals") in the 2006 spring season, marking the first national title achieved by St. Augustine Prep. In the 2012 spring season, the Junior Varsity 8+ won the Scholastic Nationals. The ice hockey team won the Non-Public state championship in 2007, 2023 and 2024, won the Handchen Cup in 2006 and 2007, and won the Gordon Cup in 2011 (as co-champion). The team claimed the 2006-07 Non-Public state championship, defeating
St. Peter's Preparatory School by a score of 3–1 on March 23, 2007, as the first South Jersey school to win the state title in hockey finishing the season with a 23-0-0 record and becoming the first ice hockey team in New Jersey history to go undefeated and untied. In the 2022-23 season, St. Augustine Prep captured the Non-Public state championship by defeating
Delbarton School 3–2 in overtime in March 2023, with the game-winning goal scored just 11 seconds into overtime. The following season, the team repeated as Non-Public state champions with a 10–6 victory over
Don Bosco Preparatory High School in March 2024, setting the record as the highest-scoring state final in New Jersey high school hockey history. The boys tennis team won the Non-Public Group A state championship in 2007, defeating runner-up
Delbarton School in the final match of the tournament. They boys lacrosse team won the Non-Public Group A state championship in 2022, the program's first, defeating runner-up Delbarton School by a score of 6–5 in the final game of the tournament. The baseball team won the Non-Public A state championship in 2011 (defeating
Pope John XXIII Regional High School in the tournament finals), 2018 (vs.
Delbarton School) and 2024 (vs. Delbarton). The 2018 team finished the season with a 26-4 record after defeating Delbarton School by a score of 1-0 in the Non-Public A playoff finals. The Hermits won the South Jersey Non-Public A sectional title in 2019. ==Notable alumni==