| Year | Sport | Class | Champion | Runner-Up | Score |
|---|---|---|---|---|---|
| 2026 | Esports | Unclassified | George Washington | Air Academy | 3-2 |
| 2026 | Speech and Debate | 5A | George Washington | Cherry Creek | 126 |
| 2025 | Esports | Unclassified | George Washington | Douglas County | 6-5 |
| 2024 | Speech and Debate | 5A | George Washington | Cherry Creek | |
| 2023 | Speech and Debate | 5A | George Washington | ||
| 2007 | Girls Track and Field | 5A | George Washington | ||
| 2007 | Boys Track and Field | 5A | George Washington | ||
| 2001 | Girls Track and Field | 5A | George Washington | ||
| 2000 | Girls Track and Field | 5A | George Washington | ||
| 1996 | Girls Track and Field | 5A | George Washington | ||
| 1995 | Girls Track and Field | 5A | George Washington | ||
| 1994 | Boys Basketball | 6A | George Washington | Horizon | 71-67 |
| 1993 | Boys Basketball | 6A | George Washington | Rangeview | 62-50 |
| 1986 | Girls Track and Field | AAA | George Washington | ||
| 1986 | Boys Basketball | 4A | George Washington | Cherry Creek | 66-65 |
| 1982 | Boys Basketball | 4A | George Washington | Arapahoe | 63-49 |
| 1978 | Girls Track and Field | AAA | George Washington | ||
| 1973 | Boys Swimming and Diving | Unclassified | George Washington | ||
| 1969 | Boys Swimming and Diving | Unclassified | George Washington | ||
| 1968 | Boys Swimming and Diving | Unclassified | George Washington | ||
| 1967 | Boys Swimming and Diving | Unclassified | George Washington | ||
| 1966 | Boys Golf | Unclassified | George Washington | ||
| 1966 | Boys Swimming and Diving | Unclassified | George Washington | ||
| 1965 | Boys Swimming and Diving | Unclassified | George Washington | ||
| 1965 | Boys Tennis | Unclassified | George Washington | N/A (tie) |
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