The Arnprior Rapids compete in the
Upper Ottawa Valley High School Athletics Association (UOVHSAA) at the county level and competes in the
Eastern Ontario Secondary School Athletic Association (EOSSAA) at the district level. The Rapids senior football team went undefeated in 2011 and 2012, winning the National Capital Bowl AA provincial championship both years. The Rapids have found recent success in 2017 going 10–1 on their way to win the National Capital Bowl against Nantyr Shores High School. The Junior football team of 2018 also had recent success with their season going 8-0 throughout the season and going on to win the county finals The Rapids rugby team has also found success in the past years with winning 3 straight EOSSAA championships (2014–2017) and won 4th place at OFSAA in 2015 and 2017. Other School Sports Include; Hockey, Alpine Skiing, Badminton, Varsity Snowboarding, Tennis, Volleyball, Cross Country, Track and Field
Rivalries As a result of Arnprior's rich athletic history, the Rapids have their fair share of local rivalry. Arnprior shares a historic rivalry with
Renfrew Collegiate Institute Raiders (RCI). As a result of recent footballing success from both teams, the Rapids have also found a new football rivalry with
Almonte and District High School Thunderbolts (ADHS). ==Notable alumni==