This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2003, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 551 | Hodgskin, Sandrah | SA | Merit | Design, Construction and the Community | |
| 552 | Hoey, Anne Louise | SA | Merit | Biology | |
| 553 | Hoile, Annabel Prudence | SA | Merit | Biology | |
| 554 | Hoile, Annabel Prudence | SA | Merit | Economics | |
| 555 | Holc, Nicole | SA | Merit | Mathematical Applications | |
| 556 | Holmes, Madeline Kate | SA | Merit | English Communications | |
| 557 | Holthouse, Sasha Kate | SA | Merit | Outdoor Education | |
| 558 | Hong, Aileen | SA | Merit | Chemistry | |
| 559 | Hong, Aileen | SA | Merit | Mathematical Studies | |
| 560 | Hong, Aileen | SA | Merit | Specialist Mathematics | |
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| 561 | Hood, Lucy Penelope | SA | Merit | Drama Studies | |
| 562 | Hood, Lucy Penelope | SA | Merit | Modern History | |
| 563 | Hooley, Tracy | SA | Merit | Design, Construction and the Community | |
| 564 | Hooper, Kathryn Tynan | SA | Merit | Biology | |
| 565 | Hopkins, Louise | SA | Merit | Biology | |
| 566 | Horne, Aimee Rene | SA | Merit | Ensemble Performance | |
| 567 | Hoschler, Tocessa | SA | Merit | German (Continuers) | |
| 568 | Hosken, Andrea | SA | Merit | Small Business Enterprise | |
| 569 | Howie, Sean James | SA | Merit | Economics | |
| 570 | Hu, Junlan | SA | Merit | Accounting Studies | |
| 571 | Hu, Junlan | SA | Merit | Chinese (Background Speakers) | |
| 572 | Hu, Junlan | SA | Merit | Specialist Mathematics | |
| 573 | Huang, Feng | SA | Merit | Mathematical Studies | |
| 574 | Hubber, Kimberley Hye-Ran Therese | SA | Merit | Information Technology | |
| 575 | Humphray, Stefanie Vonne | SA | Merit | Accounting Studies | |
| 576 | Humphray, Stefanie Vonne | SA | Merit | Biology | |
| 577 | Hussey, Elspeth Catherine | SA | Merit | Tourism | |
| 578 | Huynh, Vannsy | SA | Merit | Biology | |
| 579 | Hwang, Yong | SA | Merit | Korean (Background Speakers) | |
| 580 | Iannotti, Renee Lauren | SA | Merit | Mathematical Studies | |
| 581 | Iles, Michael | SA | Merit | Chemistry | |
| 582 | Iles, Michael | SA | Merit | Mathematical Studies | |
| 583 | Iles, Michael | SA | Merit | Physics | |
| 584 | Iles, Michael | SA | Merit | Specialist Mathematics | |
| 585 | Iles, Michael Eu Seng | St Peters College | St Peters | Australian Student Prize | |
| 586 | Ilicic, Vanessa | SA | Merit | English Studies | |
| 587 | Illman, Stacey Lee | SA | Merit | Desktop Publishing | |
| 588 | Inglis, Kristen Anne | SA | Merit | Child Studies | |
| 589 | Innes, Jane Louise | SA | Merit | Music Individual Study | |
| 590 | Innes, Skye Mercedes | SA | Merit | Economics | |
| 591 | Innes, Skye Mercedes | SA | Merit | English Studies | |
| 592 | Iselin-Blumberg, Atila | SA | Merit | Health, Recreation and the Community | |
| 593 | Ishii, Yudai | SA | Merit | Japanese (Continuers) | |
| 594 | Jackson, Lachlan | SA | Merit | Construction Technology | |
| 595 | Jaeschke, Meg Naomi | SA | Merit | English Communications | |
| 596 | Jaeschke, Samuel | SA | Merit | Mathematical Studies | |
| 597 | Jagminas, Meaghan Jessica | SA | Merit | The Community and the Environment | |
| 598 | Jagodnik, Jamie | SA | Merit | Physical Education | |
| 599 | Jankunas, James | SA | Merit | The Community and the Environment | |
| 600 | Janus, Anthony Peter | SA | Merit | Performance Special Study | |