Welcome to the Greater Middlesex Conference Coaches Section of the website. This contains the list of coaches in the GMC 2021-22 season. There were six coaching changes in the GMC since the end of the 2020-21 season. See the complete list of coaches below.
| School | Head Coach | Years At School |
| Calvary Christian | Mike Wilkerson | 7th |
| Carteret | Herman White | 13th |
| Colonia | Jose Rodriguez | 4th |
| Dunellen | Howie Horowitz | 7th |
| East Brunswick | Mark Motusesky | 9th |
| East Brunswick Vo-Tech | Matt O’Brien | 1st |
| Edison | Charlie Mohr | 19th |
| Highland Park | Kambui Little | 3rd |
| J.F. Kennedy | Sebastian de Voogd | 6th |
| J.P. Stevens | Chris Garcia | 5th |
| Metuchen | James Cardillo | 1st |
| Middlesex | Jared Goldstein | 8th |
| Monroe | Jeff Warner | 5th |
| New Brunswick | Antoine Allen | 6th* |
| North Brunswick | Eddie Breheney | 33nd |
| Old Bridge | Jim Macomber | 10th |
| Perth Amboy | Jeff Gumbs | 3rd |
| Perth Amboy Vo-Tech | Donnie Reid | 1st |
| Piscataway | Darius Griffin, Sr. | 6th |
| Piscataway Vo-Tech | Lenny Reyes | 7th |
| Sayreville | John Wojcik | 12th* |
| Somerset Tech | Bob Toth | 1st |
| South Amboy | Matt Wiater | 4th |
| South Brunswick | Joe Hoehman | 15th |
| South Plainfield | John Greco | 5th |
| South River | Brandon Walsh | 3rd |
| Spotswood | Steve Mate | 27th |
| St. Joseph’s | Jan Cocozziello | 3rd |
| St. Thomas Aquinas | Bob Turco | 4th |
| Timothy Christian | Dennis McNulty | 3rd |
| Wardlaw | Brendan Wagner | 3rd |
| Woodbridge | Jonathan Tocynski | 1st |
*–Second coaching stint at school.