This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2012, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 398 | Hallam, Michael | SA | Merit | Specialist Mathematics | |
| 399 | Halsey, Nicole | SA | Merit | Psychology | |
| 400 | Hamann, Jordan | Horizon Christian School | Balaklava | Gov of SA SACE Award | |
| 401 | Hamilton, Brian | SA | Merit | Composing and Arranging | |
| 402 | Hammond, Kate | SA | Merit | Economics | |
| 403 | Han, Jiho | SA | Merit | Mathematical Studies | |
| 404 | Han, Jiho | SA | Merit | Specialist Mathematics | |
| 405 | Hancock, Alexandra | SA | Merit | French (Continuers) | |
| 406 | Hancock, Alexandra | SA | Prize: Alliance Francaise de l'Australie du Sud Prize | French | |
| 407 | Hancock, Alexandra | SA | Prize: Annie Montgomerie Martin Prize and Medal for French | French | |
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| 408 | Hancock, Bridget | SA | Merit | Dance | |
| 409 | Hancock, Charlotte | SA | Merit | Mathematical Applications | |
| 410 | Hancock, Joanna | SA | Merit | Psychology | |
| 411 | Handley, Christina | SA | Merit | Research Project B | |
| 412 | Hann, Rhys | SA | Merit | Geography | |
| 413 | Hannaford Gunn, Alec | SA | Merit | Australian and International Politics | |
| 414 | Hannaford Gunn, Alec | SA | Merit | Modern History | |
| 415 | Hansen, Elliot | SA | Merit | Research Project B | |
| 416 | Harada, Shoko | SA | Merit | Mathematical Studies | |
| 417 | Harms, Samuel | SA | Merit | Chemistry | |
| 418 | Harms, Samuel | SA | Merit | English Communications | |
| 419 | Harms, Samuel | SA | Merit | Mathematical Studies | |
| 420 | Harms, Samuel | SA | Merit | Research Project B | |
| 421 | Harms, Samuel | Pembroke School | Kensington Park | Australian Student Prize | |
| 422 | Harris, Stefan | SA | Merit | Modern History | |
| 423 | Harris, Stefan | SA | Merit | Psychology | |
| 424 | Harrison-Garton, Loren | SA | Merit | Child Studies | |
| 425 | Harvey, Ellen | SA | Merit | Research Project B | |
| 426 | Harvey, Reece | SA | Merit | Mathematical Studies | |
| 427 | Harvey, Reece | SA | Merit | Specialist Mathematics | |
| 428 | Hassett, Julia | SA | Merit | Research Project B | |
| 429 | Hatwell, Emily | SA | Merit | Chemistry | |
| 430 | Hatwell, Emily | SA | Merit | Musicianship | |
| 431 | Hatwell, Emily | SA | Merit | Physics | |
| 432 | Hayes Gordon, Brigette | SA | Merit | English Communications | |
| 433 | Hayes Gordon, Brigette | SA | Merit | Research Project B | |
| 434 | Hayman, Lucinda | SA | Merit | Research Project B | |
| 435 | Heenan, Jared | SA | Merit | Systems and Control Products II | |
| 436 | Heinrich, Megan | SA | Merit | Research Project B | |
| 437 | Hender, Phoebe | SA | Merit | Research Project B | |
| 438 | Henry, Grace | SA | Merit | Research Project B | |
| 439 | Herbig, Steven | SA | Merit | Research Project B | |
| 440 | Hermann, Alissa | SA | Merit | Society and Culture | |
| 441 | Hewlett, Rachael | SA | Merit | Communication Products I | |
| 442 | Hicks, Jonathan | SA | Merit | Communication Products II | |
| 443 | Hicks, Samuel | SA | Merit | Ensemble Performance | |
| 444 | Hicks, Samuel | SA | Merit | Musicianship | |
| 445 | Hicks, Samuel | SA | Merit | Performance Special Study | |
| 446 | Hicks, Samuel Robert | SA | Prize: Don Maynard Music Prize | Music | |
| 447 | Higgins, Tashi | SA | Merit | Business and Enterprise | |