The SGHS Board of Trustees is made up of 5 parent representatives comprises:
- Mrs Karen Purdue
- Mrs Victoria O'Connell
- Mr Grant Dermody
- Mr Peter Flannery
- Mr Nathan Haywood
- Mrs Robyn Welsh - Staff Representative
The Principal, Mrs Yvonne Browning is also a Board member. Student Representative, Miss Pang Pochanukul completes the Board membership.
Board minutes are available from the Board Secretary at firstname.lastname@example.org.