State championships
A.I. duPont: 31 state titles
State titles and finals for A.I. duPont, 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 |
|---|---|---|---|---|---|---|
| 2023 | Boys Track, Division II | A.I. duPont | ||||
| 2019 | Boys Track, Division II | A.I. duPont | ||||
| 2018 | Boys Track, Division II | A.I. duPont | ||||
| 2011 | Girls Soccer, Division I | A.I. duPont | ||||
| 2010 | Boys Track, Division I | A.I. duPont | ||||
| 2004 | Girls Soccer, Division I | A.I. duPont | ||||
| 2001 | Golf | A.I. duPont | ||||
| 2000 | Boys Basketball | A.I. duPont | ||||
| 1999 | Girls Soccer, Division I | A.I. duPont | ||||
| 1998 | Girls Soccer, Division I | A.I. duPont | ||||
| 1997 | Boys Tennis | A.I. duPont | Co-champions | |||
| 1997 | Girls Soccer, Division I | A.I. duPont | ||||
| 1996 | Girls Soccer, Division I | A.I. duPont | ||||
| 1995 | Wrestling, Division II | A.I. duPont | ||||
| 1994 | Boys Swimming and Diving | A.I. duPont | ||||
| 1993 | Girls Cross Country, Division I | A.I. duPont | ||||
| 1991 | Girls Cross Country, Division I | A.I. duPont | ||||
| 1991 | Girls Swimming and Diving | A.I. duPont | ||||
| 1990 | Girls Cross Country, Division I | A.I. duPont | ||||
| 1989 | Girls Cross Country, Division I | A.I. duPont | ||||
| 1989 | Volleyball | A.I. duPont | ||||
| 1988 | Girls Swimming and Diving | A.I. duPont | ||||
| 1988 | Volleyball | A.I. duPont | ||||
| 1987 | Boys Swimming and Diving | A.I. duPont | ||||
| 1986 | Boys Swimming and Diving | A.I. duPont | ||||
| 1980 | Volleyball | A.I. duPont | ||||
| 1977 | Girls Basketball | A.I. duPont | ||||
| 1976 | Field Hockey, Division I | A.I. duPont | ||||
| 1975 | Field Hockey, Division I | A.I. duPont | ||||
| 1975 | Volleyball | A.I. duPont | ||||
| 1970 | Boys Track, Division II | A.I. duPont |