These are the confirmed teacher and staff attendees. If you are in contact with any others, please let them know about the reunion.
Updated: May 30, 2023
| First Name | Last Name | Roles at GHS |
| Jane | Agnew | English |
| Kelly | Anderson | Phys. Ed |
| Diane | Assaly | Math |
| Michele | Auaglia | Science |
| Lori | Berketa | Office |
| Heather | Bramwell | English |
| John | Brennan | History, Principal |
| Karen | Brennan | English |
| Terry | Brennan | Principal |
| Nancy | Brown | Office |
| Dorinda | Brunsh | Phys. Ed |
| Bill | Buck | Math |
| Dave | Burton | Science |
| Joe | Byrnes | Math |
| Paul | Caron | Languages |
| Pamela | Coupland | ESL, Guidance |
| Bill | Coveny | English |
| Beverly | Dawson | Office |
| Kim | Dipenta | Office |
| Terry | Gamble | English |
| Geoff | Hamelin | Phys. Ed |
| Laurie | Hamilton | Music |
| Dan | Hennessy | English |
| John | Irwin | History, Principal |
| Phemie | Johnson | Guidance |
| Michael | Jordan | Geography |
| Vince | Kehoe | Tech. Dept. |
| Samir | Khordoc | Languages |
| Jerry | Klemba | Business |
| Larry | Kry | Science |
| Roger | Linton | Guidance |
| Steve | Margetts | Tech. Dept. |
| Linda | Mattinson | Office |
| Jacqueline | Mertens | Guidance |
| Sharon | Michaud | Office |
| Denis | Monnin | Geography |
| Lorraine | Neville (now Revine) | Languages |
| Elaine | Osborne | Teacher |
| Ann | Pohl | Office |
| Ace | Powell | Phys. Ed |
| Martine | Rheaume | Languages |
| Heather | Roberge | Art |
| Kelly | Searle | LTO, Student |
| Russell | Smith | Science |
| Paddy | Stewart | History, English |
| Debbie | Symons | Office |
| Ann | Taillon | History, Vice Principal |
| Lynn | Thompson | Principal |
| Pierre | Turpin | Music |
| Nancy | Wheeler | Math |
| Stephen | Yeates | Geography |
| Mel | Tech. Dept. |
