State championships
William Penn: 39 state titles
State titles and finals for William Penn, from DIAA. This is not a season record.
This covers state championship results only. It does not have season records, regular season games or playoff rounds before the final.
Source: Delaware Interscholastic Athletic Association (DIAA), State Champions History. Football scores and runners-up come from DIAA's football files; other sports list the champion only. DIAA State Champions History
Dover High game schedules and results are on Senators Sports.
State titles
| Year | Sport | Champion | Score | Runner-up | Notes | Source file |
|---|---|---|---|---|---|---|
| 2019 | Unified Track | William Penn | ||||
| 2014 | Football, Division I | William Penn | 42-14 | Middletown | ||
| 2009 | Boys Basketball | William Penn | ||||
| 2002 | Boys Track, Division I | William Penn | ||||
| 2002 | Football, Division I | William Penn | 34-13 | St. Mark's | ||
| 2001 | Boys Basketball | William Penn | ||||
| 2001 | Boys Indoor Track | William Penn | ||||
| 2000 | Wrestling, Division I | William Penn | ||||
| 1999 | Boys Basketball | William Penn | ||||
| 1999 | Girls Indoor Track | William Penn | ||||
| 1999 | Girls Track, Division I | William Penn | Co-champions | |||
| 1998 | Girls Basketball | William Penn | ||||
| 1998 | Girls Indoor Track | William Penn | ||||
| 1996 | Boys Track, Division I | William Penn | ||||
| 1996 | Football, Division I | William Penn | 26-6 | Newark | ||
| 1996 | Wrestling, Division I | William Penn | ||||
| 1995 | Football, Division I | William Penn | 22-12 | Newark | ||
| 1994 | Boys Basketball | William Penn | ||||
| 1994 | Field Hockey, Division I | William Penn | ||||
| 1994 | Wrestling, Division I | William Penn | ||||
| 1993 | Girls Basketball | William Penn | ||||
| 1993 | Wrestling, Division I | William Penn | ||||
| 1992 | Boys Track, Division I | William Penn | ||||
| 1992 | Football, Division I | William Penn | 21-0 | Salesianum | ||
| 1991 | Baseball | William Penn | ||||
| 1991 | Football, Division I | William Penn | 18-14 | Christiana | ||
| 1989 | Softball | William Penn | ||||
| 1988 | Field Hockey, Division I | William Penn | ||||
| 1988 | Softball | William Penn | ||||
| 1987 | Football, Division I | William Penn | 8-0 | Salesianum | ||
| 1986 | Softball | William Penn | ||||
| 1983 | Football, Division I | William Penn | 24-7 | Delcastle | ||
| 1982 | Boys Track, Division I | William Penn | ||||
| 1982 | Football, Division I | William Penn | 35-14 | Cape Henlopen | ||
| 1981 | Boys Track, Division I | William Penn | ||||
| 1979 | Boys Track, Division I | William Penn | ||||
| 1978 | Baseball | William Penn | ||||
| 1977 | Baseball | William Penn | ||||
| 1976 | Girls Basketball | William Penn |
Finals lost
| Year | Sport | Champion | Score | Runner-up | Notes | Source file |
|---|---|---|---|---|---|---|
| 1997 | Football, Division I | Newark | 7-0 | William Penn | ||
| 1989 | Football, Division I | Glasgow | 22-20 | William Penn | Overtime | |
| 1986 | Football, Division I | Salesianum | 7-6 | William Penn | ||
| 1981 | Football, Division I | Seaford | 20-13 | William Penn |