School Staff
| Principal | Mrs Brenda Mackay |
| Deputy Principal | Mr Nathan Hughes |
| Senior Syndicate Leader | Mr Nathan Hughes |
| Junior Syndicate Leader | |
| Teachers | Mrs Sarah Jagoutz / Mrs Mary Kelly / Mrs Megan Packham |
| Specialist Teachers | Mrs Christina Provis-Black - Christian Education Miss Gina Stevens - Dance Mrs Jo Cooper - Pianist |
| Support Staff | Mrs Marise Lang - Teacher Aide Mrs Fiona Smith - Sports Co-ordinator/Teacher Aide Mrs Bev McEntyre - Office Manager Mr Gavan Hamilton - Caretaker |
| Hostel Manager | Mrs Carol Paterson |
| House Mistress | Miss May |
Board of Trustees
| Chairperson | Keri Bryan |
| Principal | Brenda Mackay |
| Board Members | Mark Billcliff Jo Keary Nic Macpherson Aaron McKenzie |
| BOP Representative | Lee Moreton |
| Staff Representative | Mary Kelly |
Board of Proprietors
| Chair Person | Lee Moreton |
| Board Members | Michael Corson Phil Muir Roydon Muirhead |
| Principal | Brenda Mackay |
| BOT Representative | Aaron McKenzie |
| Parents' Association Representative | Louise Purdon |
| Gilmour House representative | Fraser Hampton |
Parents’ Association
The Parents’ Association organises school activities and is another link between the parents and the school. Meetings are advertised in the newsletter. They meet at 7pm on the second Tuesday of each term except term one when they meet in week 4. New members are welcome.
The chairperson is Mrs Louise Purdon.
Care Network
The purpose of the Care Network is to coordinate and support St John’s Girls’ School families and staff in times of genuine need. This builds on the values of the school. The aim is to build on the positive relationships, work together and help each other whilst respecting confidentiality, to help people with the little things, as well as the big.
The SJGS Care Network Committee are a sub group of the SJGS PTA: Glenda Corson, Liz Doherty, Maria O’Donnell, and Ange Pope. They can be contacted here.