The Peddie Aquatic Association (PAA), a registered United States Swimming club, has made its mark on U.S. Swimming by consistently placing among the top teams at Sectionals, Junior Nationals, the U.S. Open and US Nationals. The Peddie School has a rich history of swimming dating back 1910 when the first team made it's mark. The Peddie Aquatic Association was formed in the 1980s to serve the athletes competing in local and national USA Swimming competitions.

Peddie has produced a number of athletes that have represented the United States at various international competitions, including the Olympics, World Championships, World University Games, FINA World Cup, Pan Pacific, Pan Am Games Goodwill Games and CARIFTA (Caribbean) Championships. This elite list includes Olympic gold medalists Nelson Diebel '90 (Barcelona 1992) and BJ Bedford '90 (Sydney 2000), former American record holder and 1992 Olympian Royce Sharp '91 (Barcelona), and 1996 Olympian Peter Wright '91(Atlanta). Other Olympians include Andrew Rutherfurd '90 (Barcelona) representing Hong Kong , Jennifer Smatt '92 (Barcelona) from Bermuda, Ji-Young Lee '09 (Athens 2004) Korea and Roy-Allan Burch '04 (Beijing 2008 and London 2012) Bermuda.

Each year swimmers are heavily recruited by some of the top swimming and academic colleges in the nation. Swimmers have gone on to attend and compete for Amherst, Auburn, Brown, Boston College, Boston University, Bucknell, Columbia, Florida, Georgetown, Harvard, Indiana, Johns Hopkins, Kenyon, Lehigh, Maryland, MIT, Miami, Michigan, Navy, Northwestern, Notre Dame, Penn, Princeton, Springfield College, St. Lawrence, Stanford, Swarthmore, UCLA, USC, Washington College, Yale and many other high-profiled Division I and Division III schools.