PIAA Boys’ Swimming & Diving Team Champions
The Pennsylvania Interscholastic Athletic Association (PIAA) has crowned team champions in boys’ swimming & diving since 1977. Each classification champion and additional schools from the Western Pennsylvania Interscholastic Athletic League (WPIAL) have qualified for the PIAA Championships since its inception, with PIAA District VII claiming a total of 27 state champions in the sport.
The WPIAL has produced multiple PIAA team champions once, doing so in 1996. A total of nine different WPIAL schools have won PIAA titles, with Bethel Park’s eight being the most in league history. The other schools who have won a PIAA championship are: North Allegheny (6), Hampton (4), Shaler (3), Shady Side Academy (2), Mars (1), Moon (1), Quaker Valley (1), and Seneca Valley (1).
A full list of team champions by year and classification can be found below. The 2A classification did not have a champion crowned in 2020 due to the COVID-19 pandemic.
To view the list of PIAA individual champions from the WPIAL, please click here: LINK
| Year | School | Class | Results |
| 2022 | Seneca Valley | 3A | 188; def. runner-up La Salle College by 14 points |
| 2019 | North Allegheny | 3A | 279; def. runner-up North Penn by 83 points |
| 2018 | North Allegheny | 3A | 301; def. runner-up North Penn by 111 points |
| 2017 | North Allegheny | 3A | 271; def. runner-up La Salle College by 87 points |
| 2015 | Quaker Valley | 2A | 174; def. runner-up Bloomsburg by 34 points |
| 2014 | Mars | 2A | 153; def. runner-up Trinity by 19 points |
| 2011 | Shady Side Academy | 2A | 190; def. runner-up Fairview by 27 points |
| 2010 | North Allegheny | 3A | 227.5; def. runner-up Wilson by 35.5 points |
| 2009 | North Allegheny | 3A | 243; def. runner-up Emmaus by 35 points |
| 2000 | Shady Side Academy | 2A | 155; def. runner-up Hershey by 30 points |
| 1999 | Hampton | 2A | 157; def. runner-up Shady Side Academy by 68 points |
| 1998 | Hampton | 2A | 196.5; def. runner-up York Suburban by 61.5 points |
| 1997 | Hampton | 2A | 164; def. runner-up Garnet Valley by 68 points |
| 1996 | Bethel Park | 3A | 176; def. runner-up North Penn by 68 points |
| Hampton | 2A | 108; def. runner-up Shady Side Academy by 8 points | |
| 1995 | Bethel Park | 3A | 134; def. runner-up Northampton by 32 points |
| 1994 | North Allegheny | 3A | 138; def. runner-up Bethel Park by 13 points |
| 1989 | Bethel Park | 121; def. runner-up Downingtown by 45 points | |
| 1988 | Bethel Park | 145; def. runner-up Peters Township by 77 points | |
| 1987 | Bethel Park | 97; def. runner-up Emmaus by 10 points | |
| 1986 | Bethel Park | 128; def. runner-up Bishop Hoban by 24 points | |
| 1982 | Bethel Park | 90; def. runner-up York Suburban by 13 points | |
| 1981 | Bethel Park | ||
| 1980 | Moon | 101; def. runner-up North Allegheny by 1 point | |
| 1979 | Shaler | 117 | |
| 1978 | Shaler | ||
| 1977 | Shaler | 118; def. runner-up North Penn by 5 points |
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