| Gissane, Hannah | Hunter School of the Performing Arts | 15090, 15350 | 
| Gissing, Lara Jacqueline | Northern Beaches Christian School | 15670 | 
| Giuffrida, Lisa-Maree | Stella Maris College | 15020, 15290 | 
| Given, Craig John | St Ives High School | 15110 | 
| Gizzi-Stewart, Brooke Jade | Whitebridge High School | 15020 | 
| Gjaltema, Correne Sandra | Illawarra Christian School | 15080 | 
| Glanfield, Adam Geoffrey | Normanhurst Boys High School | 15250, 15260 | 
| Glanville, Anthony Alexander | St Andrew's Cathedral School | 15020, 15230 | 
| Glasby, Lachlan | Mount St Patrick College | 15090 | 
| Glass, Hannah Rachel | Kambala | 15050, 15140, 15240, 15250, 15680, 15690 | 
| Glass, Harry Samuel Edward | Cranbrook School | 15030, 15140, 15160, 15220, 15270, 15280 | 
| Glass, Jessica | Moriah College | 15140, 15320, 15350, 15400 | 
| Glass, Jordan Rodney | St Patrick's College, Strathfield | 15290 | 
| Glass, Joshua | Moriah College | 15030, 15140, 15210, 15240, 15250, 15330 | 
| Gleeson, Cassandra | Tweed River High School | 15240, 15250 | 
| Gleeson, Cori Jade | De La Salle College, Cronulla | 15370 | 
| Gleeson, Josephine Maree | St Joseph's Catholic College | 15140, 15160, 15280, 15290, 15370 | 
| Gleeson, Liam Daniel | St Ignatius' College | 15240, 15250, 15290 | 
| Gleeson, Matthew Charles | Colo High School | 15200 | 
| Gleeson, Melanie | Terra Sancta College (Quakers Hill Campus) | 15060 | 
| Gleeson, Rohan Francis | Mount Carmel Catholic High School | 15170 | 
| Glen, Patrick | Ashfield Boys High School | 15230 | 
| Glendining, Andrew Stuart | The Riverina Anglican College | 15240, 15320 | 
| Glennon, Camilla | James Sheahan Catholic High School | 15110, 15220, 15240, 15370 | 
| Glitsos, Christina | Brigidine College Randwick | 15050, 15140, 15240, 15250, 15330, 15370 | 
| Glover, Carly | Brigidine College St Ives | 15400 | 
| Glover, Damien | The Forest High School Frenchs Forest | 15210 | 
| Glover, Tobias | Central Coast Grammar School | 15210, 18095 | 
| Gluck, Dovid | Moriah College | 15020, 15040, 15210 | 
| Glynn, Elle Jane | Monte Sant' Angelo Mercy College | 15140, 15310 | 
| Go, Jemima Roslyn | James Ruse Agricultural High School | 15010 | 
| Godbee, Megan Elanor | Hornsby Girls High School | 15020, 15230, 15710 | 
| Godbee, Venicia | St Vincent's College | 15220, 15370 | 
| Godby, Nathan | William Branwhite Clarke College | 15240 | 
| Goddard, Katrina | Oxley High School | 15030 | 
| Goddard, Lyndon Keith | Cranbrook School | 15240, 15330 | 
| Godden, Aubrey Jean | Dubbo College, Senior Campus | 15400 | 
| Godden, Bhumi | Murwillumbah High School | 15230 | 
| Godden, Sulata Shivani | Wollumbin High School | 15400 | 
| Godden, Timothy | Oxley High School | 15240, 15250, 15300, 15310 | 
| Godfrey, Kate Elise | Hornsby Girls High School | 15140, 15160, 15240, 15250, 15320 | 
| Godfrey, Katelyn Rose | Danebank - An Anglican School For Girls | 15050 | 
| Godfrey, Matthew | Northern Beaches Secondary College, Manly Selective Campus | 15050, 15110, 15250, 15260, 15330 |