This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2015, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 342 | George, Anjali Ann | SA | Merit | Religion Studies | |
| 343 | Georgiev, Patrik Zhivkov | SA | Merit | Italian (Beginners) | |
| 344 | Gerschwitz, Luke Dylan | SA | Merit | Mathematical Applications | |
| 345 | Ghorpade, Supriya | SA | Merit | Research Project B | |
| 346 | Gibson, Christina | SA | Merit | Research Project B | |
| 347 | Giles, Ashley John | SA | Merit | English Communications | |
| 348 | Giles, Hannah Louise | SA | Merit | Outdoor Education | |
| 349 | Gilkes, Isobel | SA | Merit | Mathematical Applications | |
| 350 | Gilkes, Isobel | SA | Merit | Physical Education | |
| 351 | Gill, Michael Harvey | SA | Merit | Biology | |
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| 352 | Gindina, Daria | SA | Merit | Russian (Continuers) | |
| 353 | Gluyas, Matthew | SA | Merit | Biology | |
| 354 | Goddard, Joshua | SA | Merit | Biology | |
| 355 | Goel, Vibhu | SA | Merit | Chemistry | |
| 356 | Goetze, Ben | SA | Merit | Biology | |
| 357 | Goetze, Ben | SA | Merit | German (Continuers) | |
| 358 | Goetze, Ben | SA | Prize: Schiller Prize | German | |
| 359 | Gomez, Zoe | SA | Merit | Information Processing and Publishing | |
| 360 | Goodes, Haris James | SA | Merit | Chemistry | |
| 361 | Goodes, Haris James | SA | Merit | English as Second Language Studies | |
| 362 | Goodes, Haris James | SA | Merit | Physics | |
| 363 | Goosay, Stella | SA | Merit | Psychology | |
| 364 | Gorcilov, Alessandra Marie | SA | Merit | Health | |
| 365 | Gordon, Cara | SA | Merit | Research Project B | |
| 366 | Gordon, Jessie Evelyn | SA | Merit | Research Project B | |
| 367 | Gordon, Jessie Evelyn | SA | Merit | Tourism | |
| 368 | Gowda, Akash | SA | Merit | Biology | |
| 369 | Gowda, Akash | SA | Merit | Research Project B | |
| 370 | Graham, Ella Rainsford | SA | Merit | English Communications | |
| 371 | Graham, Ella Rainsford | SA | Merit | Research Project B | |
| 372 | Graham, Ella Rainsford | SA | Merit | Society and Culture | |
| 373 | Graham, Ella Rainsford | Booleroo Centre District School | Booleroo Centre | Gov of SA SACE Award | |
| 374 | Gray, Eliza | SA | Merit | Accounting | |
| 375 | Gray, Eliza | SA | Merit | Physical Education | |
| 376 | Green, Alexandra | SA | Merit | English Communications | |
| 377 | Green, Eliza | SA | Merit | Health, Recreation and the Community | |
| 378 | Green, Emily Kate | SA | Merit | Research Project B | |
| 379 | Greenfield, Emma Kate | SA | Merit | Mathematical Applications | |
| 380 | Greening, Courtney Grace | SA | Merit | Research Project B | |
| 381 | Gregory-Alchin, Kaila Jade | SA | Merit | Research Project B | |
| 382 | Gregurke, Nicholas Lee | SA | Merit | English Communications | |
| 383 | Grieve, Scott Leighton | SA | Merit | Physical Education | |
| 384 | Griffin, Nicholas John | SA | Merit | Legal Studies | |
| 385 | Gropl, Jana | SA | Merit | English Communications | |
| 386 | Gropl, Jana | SA | Merit | Health | |
| 387 | Grzeskowiak, Megan Ellen | SA | Merit | Tourism | |
| 388 | Gu, Dinglin (Lily) | SA | Merit | Physics | |
| 389 | Guerin, Tessa | SA | Merit | English Communications | |
| 390 | Guerin, Tessa | SA | Merit | Society and Culture | |
| 391 | Gynell, Malia Haq | SA | Merit | Chemistry | |