The boys senior eight crew team has won the Stotesbury Cup in national competition 15 times; in 1955, 1987, 1992, 1995, 1997, 1999–2001, 2005, 2008, 2010, 2019, 2021 2023, and 2024.

[5] Additionally, the Prep is the only team to ever sweep all the boys' eights events at the Stotesbury Cup Regatta, having done it in 1997, 2008, 2023, and 2024.

In 2000, the Prep Varsity 8 won the Princess Elizabeth Challenge Cup at the Henley Royal Regatta.

[8] Despite losing to La Salle College High School early in the 2015 playoffs, the St. Joseph's Prep football team won the first ever Class 6A PIAA state championship, defeating Pittsburgh Central Catholic by a score of 42–7 at HersheyPark Stadium in Hershey, Pennsylvania.

[9] The team won the program's fourth state title in 2018 with a 40–20 win against Harrisburg High School in the Class 6A tournament final.