PIAA 2016-2018 Boys Swimming Classifications
| School | Conference | Class |
|---|---|---|
| Holy Ghost Prep | Bicentennial | 2A |
| Lower Moreland | Bicentennial | 2A |
| Valley Forge Military Academy | Bicentennial | 2A |
| LaSalle College Prep | Catholic | 3A |
| Roman Catholic | Catholic | 3A |
| Archbishop Ryan | Catholic League | 3A |
| Archbishop Wood | Catholic League | 3A |
| Father Judge | Catholic League | 3A |
| Saint Joseph's Prep | Catholic League | 3A |
| Bonner Prendergast | Catholic League | 2A |
| Cardinal O'Hara | Catholic League | 2A |
| Garnet Valley | Centra League | 3A |
| Conestoga | Central League | 3A |
| Harriton | Central League | 3A |
| Haverford | Central League | 3A |
| Lower Merion | Central League | 3A |
| Marple Newtown | Central League | 3A |
| Penncrest | Central League | 3A |
| Radnor | Central League | 3A |
| Ridley | Central League | 3A |
| Springfield-Delco | Central League | 3A |
| Strath Haven | Central League | 3A |
| Upper Darby | Central League | 3A |
| Daniel Boone | Central Penn | 3A |
| Exeter | Central Penn | 3A |
| Governor Mifflin | Central Penn | 3A |
| Muhlenberg | Central Penn | 3A |
| Reading | Central Penn | 3A |
| Twin Valley | Central Penn | 3A |
| Wilson | Central Penn | 3A |
| Kutztown | Central Penn | 2A |
| Pottsville | Central Penn | 2A |
| Schuylkill Valley | Central Penn | 2A |
| Wyomissing | Central Penn | 2A |
| Avon Grove | Ches-Mont | 3A |
| Coatesville | Ches-Mont | 3A |
| Downingtown East | Ches-Mont | 3A |
| Downingtown West | Ches-Mont | 3A |
| Great Valley | Ches-Mont | 3A |
| Kennett | Ches-Mont | 3A |
| Oxford | Ches-Mont | 3A |
| Sun Valley | Ches-Mont | 3A |
| Unionville | Ches-Mont | 3A |
| West Chester East | Ches-Mont | 3A |
| West Chester Henderson | Ches-Mont | 3A |
| West Chester Rustin | Ches-Mont | 3A |
| Bishop Shanahan | Ches-Mont | 2A |
| Glen Mills | Del-Val | 3A |
| Chichester | Del-Val | 2A |
| Interboro | Del-Val | 2A |
| Friends Select | Friends School | 2A |
| Boyertown | PAC-10 | 3A |
| Methacton | PAC-10 | 3A |
| Norristown | PAC-10 | 3A |
| Owen J. Roberts | PAC-10 | 3A |
| Perkiomen Valley | PAC-10 | 3A |
| Phoenixville | PAC-10 | 3A |
| Spring-Ford | PAC-10 | 3A |
| Upper Merion | PAC-10 | 3A |
| Pottsgrove | PAC-10 | 2A |
| Pottstown | PAC-10 | 2A |
| Upper Perkiomen | PAC-10 | 2A |
| Abington | Suburban One | 3A |
| Bensalem | Suburban One | 3A |
| Central Bucks East | Suburban One | 3A |
| Central Bucks South | Suburban One | 3A |
| Central Bucks West | Suburban One | 3A |
| Cheltenham | Suburban One | 3A |
| Council Rock South | Suburban One | 3A |
| Hatboro Horsham | Suburban One | 3A |
| Neshaminy | Suburban One | 3A |
| North Penn | Suburban One | 3A |
| Pennridge | Suburban One | 3A |
| Pennsbury | Suburban One | 3A |
| Plymouth Whitemarsh | Suburban One | 3A |
| Quakertown | Suburban One | 3A |
| Souderton | Suburban One | 3A |
| Upper Dublin | Suburban One | 3A |
| William Tennent | Suburban One | 3A |
| Wissahickon | Suburban One | 3A |
| Springfield-Montco | Suburban One | 2A |
| Upper Moreland | Suburban One | 2A |
