Swimming and diving are available to both boys and girls at the varsity level during the winter season.
Swimming Section Champs – 1972 (Girls), 1976 (Boys), 1990 (Boys), 2007 (Girls), 2015 (Girls), 2020 (Girls), 2021 (Boys), 2021 (Girls), 2022 (Boys), 2022 (Girls)
WPIAL Diving Championship – 2017, 2018 (Jonah Cagley – 1st Place), 2020, 2021 (David Manelis – 1st Place)
WPIAL Swimming Champs – 1996 (Girls)
WPIAL Swimming Runner Up – 2006 (Girls), 2007 (Girls), 2022 (Girls)
PIAA Swimming Champs – 1997 (Girls)
PIAA Swimming Championship – 2020, 2021 (Sophie Shao, 100 butterfly, 1st place)
PIAA Diving Championship – 2017, 2018 (Jonah Cagley – 3rd Place), 2019 (David Manelis – 3rd Place), 2021 (David Manelis – 1st Place)
HS HEAD – Matthew Mauclair
HS 1ST ASST – Cynthia Woods
HS 2ND ASST – Keith DeNinno
HS DIVING HEAD – Vernon Yenick