To get to the Final Four, you must get through the quarterfinals or Elite Eight first. The MCT and GMCT are no exception. The table below contains the past member schools that have reached the Middlesex County Tournament and Greater Middlesex Conference Boys Basketball Tournament Elite Eight from the MCT’s inception in 1965 up and through the present.
Past Middlesex County Tournament/Greater Middlesex Conference Tournament Elite Eight Teams
| Year | Champion | Runner-Up | Semifinalist | Semifinalist | Quarterfinalist | Quarterfinalist | Quarterfinalist | Quarterfinalist |
| 1965 | Perth Amboy | Edison | South River | St. Joseph’s | Madison Township | Woodbridge | J.F. Kennedy | Carteret |
| 1966 | Perth Amboy | Edison | St. Joseph’s | St. Peter’s | Woodbridge | Madison Township | Metuchen | Piscataway |
| 1967 | Perth Amboy | St. Joseph’s | East Brunswick | Hoffman | South River | Piscataway | Woodbridge | Metuchen |
| 1968 | St. Peter’s | Piscataway | St. Joseph’s | South River | Perth Amboy | Colonia | East Brunswick | Madison Township |
| 1969 | Colonia | South River | Perth Amboy | New Brunswick | Woodbridge | St. Joseph’s | East Brunswick | Edison |
| 1970 | Perth Amboy | New Brunswick | St. Mary’s (S.A.) | East Brunswick | Colonia | Edison | Woodbridge | St. Joseph’s |
| 1971 | Metuchen | New Brunswick | Perth Amboy | Woodbridge | Hoffman | East Brunswick | Piscataway | St. Peter’s |
| 1972 | Perth Amboy | St. Peter’s | Woodbridge | New Brunswick | Colonia | Edison | Metuchen | Piscataway |
| 1973 | Perth Amboy | Sayreville | J.F. Kennedy | St. Thomas Aquinas | East Brunswick | Colonia | Carteret | St. Joseph’s |
| 1974 | Perth Amboy | J.F. Kennedy | Woodbridge | Sayreville | Carteret | Metuchen | Highland Park | St. Thomas Aquinas |
| 1975 | Perth Amboy | Woodbridge | J.P. Stevens | St. Joseph’s | St. Thomas Aquinas | Colonia | Metuchen | New Brunswick |
| 1976 | Piscataway | Perth Amboy | New Brunswick | Colonia | Carteret | J.F. Kennedy | St. Thomas Aquinas | J.P. Stevens |
| 1977 | Piscataway | Carteret | Woodbridge | J.F. Kennedy | St. Joseph’s | Madison Central | South River | Perth Amboy |
| 1978 | South River | Perth Amboy | Carteret | J.F. Kennedy | New Brunswick | Woodbridge | Metuchen | Cedar Ridge |
| 1979 | South River | Colonia | East Brunswick | Sayreville | Carteret | New Brunswick | Perth Amboy | St. Joseph’s |
| 1980 | Colonia | Perth Amboy | St. Peter’s | Piscataway | Sayreville | St. Mary’s (S.A.) | J.P. Stevens | St. Joseph’s |
| 1981 | Perth Amboy | St. Peter’s | J.P. Stevens | Sayreville | St. Mary’s (P.A.) | New Brunswick | Spotswood | Carteret |
| 1982 | St. Thomas Aquinas | St. Joseph’s | Woodbridge | New Brunswick | St. Peter’s | South River | Perth Amboy | Carteret |
| 1983 | St. Peter’s | St. Joseph’s | Carteret | Metuchen | Woodbridge | New Brunswick | East Brunswick | J.F. Kennedy |
| 1984 | St. Peter’s | St. Joseph’s | East Brunswick | New Brunswick | Colonial | Madison Central | Metuchen | South River |
| 1985 | St. Peter’s | New Brunswick | Perth Amboy | East Brunswick | Colonia | Metuchen | Piscataway Tech | Carteret |
| 1986 | Carteret | New Brunswick | East Brunswick | Perth Amboy | Colonia | Piscataway Tech | Edison | J.P. Stevens |
| 1987 | East Brunswick | J.P. Stevens | Colonia | Metuchen | Highland Park | New Brunswick | Perth Amboy | St. Joseph’s |
| 1988 | Metuchen | St. Peter’s | Carteret | Cedar Ridge | St. Joseph’s | J.P. Stevens | J.F. Kennedy | Perth Amboy |
| 1989 | J.P. Stevens | East Brunswick | Perth Amboy | South Brunswick | Woodbridge | St. Peter’s | Cedar Ridge | St. Joseph’s |
| 1990 | J.F. Kennedy | Perth Amboy | St. Peter’s | Colonia | St. Joseph’s | Piscataway Tech | East Brunswick | Piscataway |
| 1991 | Piscataway | St. Joseph’s | South Plainfield | Bishop Ahr | South River | Piscataway Tech | East Brunswick | North Brunswick |
| 1992 | Bishop Ahr | St. Joseph’s | Perth Amboy | Piscataway | Dunellen | South River | East Brunswick | Perth Amboy Tech |
| 1993 | St. Joseph’s | South Brunswick | Perth Amboy | Piscataway | St. Peter’s | Perth Amboy Tech | Bishop Ahr | Piscataway Tech |
| 1994 | Piscataway | St. Peter’s | New Brunswick | Colonia | South Brunswick | East Brunswick | Perth Amboy | Bishop Ahr |
| 1995 | Piscataway | East Brunswick | Colonia | St. Peter’s | Piscataway Tech | Dunellen | J.P. Stevens | New Brunswick |
| 1996 | East Brunswick | Piscataway | South Brunswick | St. Peter’s | Colonia | Edison | Highland Park | Monroe |
| 1997 | North Brunswick | St. Joseph’s | St. Peter’s | East Brunswick | Highland Park | Piscataway | Perth Amboy | Sayreville |
| 1998 | St. Joseph’s | Sayreville | North Brunswick | Perth Amboy | Old Bridge | Highland Park | St. Mary’s S.A. | Colonia |
| 1999 | St. Joseph’s | Colonia | Sayreville | Perth Amboy | Highland Park | St. Peter’s | St. Mary’s S.A. | South Brunswick |
| 2000 | Sayreville | Carteret | Colonia | East Brunswick | North Brunswick | Piscataway | St. Joseph’s | South Brunswick |
| 2001 | Colonia | St. Joseph’s | East Brunswick | Carteret | New Brunswick | Piscataway | South Brunswick | Middlesex |
| 2002 | Carteret | Colonia | South Brunswick | New Brunswick | Piscataway | Sayreville | Highland Park | Old Bridge |
| 2003 | Cardinal McCarrick | St. Joseph’s | New Brunswick | South Plainfield | Perth Amboy | Sayreville | Colonia | Old Bridge |
| 2004 | South Plainfield | Colonia | Cardinal McCarrick | St. Joseph’s | New Brunswick | Piscataway | J.P. Stevens | Sayreville |
| 2005 | South Plainfield | St. Joseph’s | South Brunswick | Colonia | Cardinal McCarrick | New Brunswick | Piscataway | Old Bridge |
| 2006 | Colonia | Metuchen | St. Joseph’s | Monroe | South Brunswick | East Brunswick | New Brunswick | Old Bridge |
| 2007 | Piscataway | Cardinal McCarrick | South Brunswick | South Plainfield | Colonia | East Brunswick | Bishop Ahr | Old Bridge |
| 2008 | Cardinal McCarrick | St. Joseph’s | Piscataway | Colonia | Bishop Ahr | J.P. Stevens | Carteret | South Amboy |
| 2009 | Piscataway | St. Joseph’s | Cardinal McCarrick | Monroe | Colonia | Bishop Ahr | Sayreville | J.P. Stevens |
| 2010 | St. Joseph’s | Monroe | Spotswood | Sayreville | East Brunswick | New Brunswick | Cardinal McCarrick | North Brunswick |
| 2011 | St. Joseph’s | Piscataway | Bishop Ahr | Cardinal McCarrick | East Brunswick | Perth Amboy | South Brunswick | J.F. Kennedy |
| 2012 | St. Joseph’s | North Brunswick | East Brunswick | Cardinal McCarrick | South Brunswick | Monroe | New Brunswick | Piscataway |
| 2013 | St. Joseph’s | East Brunswick | Woodbridge | Old Bridge | North Brunswick | Carteret | Spotswood | Sayreville |
| 2014 | St. Joseph’s | East Brunswick | Sayreville | Colonia | North Brunswick | Spotswood | Woodbridge | South Amboy |
| 2015 | Colonia | St. Joseph’s | Perth Amboy | East Brunswick | South Brunswick | Carteret | Woodbridge | Sayreville |
| 2016 | St. Joseph’s | South Brunswick | Woodbridge | East Brunswick | Colonia | Sayreville | Old Bridge | Spotswood |
| 2017 | St. Joseph’s | Sayreville | South Brunswick | Woodbridge | Old Bridge | Carteret | Piscataway | J.F. Kennedy |
| 2018 | St. Joseph’s | Colonia | Old Bridge | Carteret | Piscataway | Bishop Ahr | Edison | Perth Amboy |
| 2019 | St. Joseph’s | Piscataway | Colonia | New Brunswick | Old Bridge | Bishop Ahr | Carteret | Monroe |
| 2020 | St. Thomas Aquinas | South Brunswick | St. Joseph’s | Edison | Carteret | Colonia | Dunellen | Old Bridge |
| 2022* | St. Thomas Aquinas | Colonia | St. Joseph’s | Monroe | South Brunswick | Edison | South Plainfield | Piscataway |
| 2023 | St. Thomas Aquinas | South Brunswick | South River | St. Joseph’s | Colonia | South Plainfield | North Brunswick | Piscataway |
| 2024 | St. Joseph’s | Colonia | St. Thomas Aquinas | South Plainfield | Monroe | Woodbridge | Timothy Christian | East Brunswick |
| 2024 | Colonia | St. Thomas Aquinas | St. Joseph’s | South Plainfield | Monroe | Woodbridge | Timothy Christian | East Brunswick |
*No GMCT in 2021 due to COVID.