| Year | Champion |
| 1973 | Good Counsel |
| 1974 | |
| 1975 | Good Counsel |
| 1976 | St. John's |
| 1977 | St. John's |
| 1978 | St. John's |
| 1979 | St. John's |
| 1980 | McNamara |
| 1981 | DeMatha |
| 1982 | Good Counsel |
| 1983 | DeMatha |
| 1984 | DeMatha |
| 1985 | DeMatha |
| 1986 | McNamara |
| 1987 | Good Counsel |
| 1988 | McNamara |
| 1989 | DeMatha |
| 1990 | Good Counsel |
| 1991 | Gonzaga |
| 1992 | Good Counsel |
| 1993 | DeMatha |
| 1994 | DeMatha |
| 1995 | DeMatha |
| 1996 | DeMatha |
| 1997 | DeMatha |
| 1998 | DeMatha |
| 1999 | DeMatha |
| 2000 | O'Connell |
| 2001 | Paul VI |
| 2002 | Gonzaga |
| 2003 | Paul VI |
| 2004 | DeMatha |
| 2005 | Gonzaga |
| 2006 | Gonzaga |
| 2007 | Gonzaga |
| 2008 | DeMatha |
| 2009 | Paul VI |
| 2010 | Gonzaga |
| 2011 | Gonzaga |
| 2012 | Gonzaga |
