School Staff
| Tumuaki - Principal | Mr Nathan Hughes |
| Deputy Principal / Junior Syndicate Leader | Mrs Mary Kelly |
| Senior Syndicate Leader | Mrs Lee Stewart |
| Kaiako - Teachers | Mrs Sarah Jagoutz |
| Relievers | Mrs Trish Chapman
Mrs Julie Dawkins |
| 3rd Year University of Otago Student | Miss Chelsea O'Connell |
| Specialist Teachers/Staff | Mrs Lucy King - Christian Education
Miss Gina Stevens - Dance Mrs Jo Cooper - Pianist |
| Support Staff | Mrs Nic Roberts - Office Manager
Mrs Marise Lang - Uniform/Teacher Aide Mrs Netty Dennis - Sports Co-ordinator/Teacher Aide Mrs Fiona Smith - Librarian/Teacher Aide Mrs Jill Robinson - Teacher Aide Mr Gavan Hamilton - Caretaker Mrs Noeleen Wilson - After School Care |
Board of Trustees
| Chairperson | Sandy Gilmete |
| Principal | Nathan Hughes |
| Board Members | Mark Billcliff
Kate Brady Anna Reilly Tony Miles |
| BOP Representative | |
| Staff Representative | Sarah Jagoutz |
Board of Proprietors
| Chair Person | Jade McNamara |
| Board Members | Cliff Erskine
Gregg Peters Hannah Lawson Brayden Cochrane |
| Principal | Nathan Hughes |
| BOT Representative | Tony Miles |
| Parents' Association Representative | Jen Gordon |
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 Jen Gordon.
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 is a sub group of the SJGS Parents’ Association.