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.
| 560 | La Dru, Jenna | SA | Merit | Research Project B | |
| 561 | La Dru, Jenna | SA | Merit | Visual Arts - Arts | |
| 562 | La, Tram Ngoc | SA | Merit | Vietnamese (Continuers) | |
| 563 | Lagana, Maria | SA | Merit | Japanese (Continuers) | |
| 564 | Lai, Huyen Ngoc Tong | SA | Merit | Research Project B | |
| 565 | Lamb, Madeleine | SA | Merit | Research Project B | |
| 566 | Lamey, Michael | SA | Merit | English Studies | |
| 567 | Lamey, Michael | SA | Merit | Research Project B | |
| 568 | Lampard, Katie | SA | Merit | Child Studies | |
| 569 | Lane, Nicholas | SA | Merit | Physics | |
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| 570 | Larkin, Mitchell | SA | Merit | Communication Products II | |
| 571 | Lau, Cameron Michael Yao Ren | SA | Merit | English Communications | |
| 572 | Lawson, Daniel | SA | Merit | Chemistry | |
| 573 | Lawson, Daniel | SA | Merit | Mathematical Studies | |
| 574 | Lawson, Daniel | SA | Merit | Research Project B | |
| 575 | Lawson, Daniel | Sacred Heart College | Somerton Park | Australian Student Prize | |
| 576 | Lawson, Meg | SA | Merit | English Studies | |
| 577 | Lawson, Meg | SA | Merit | Research Project B | |
| 578 | Layugan, Kevin | SA | Merit | Research Project B | |
| 579 | Le Cornu, Adam | SA | Merit | Workplace Practices | |
| 580 | Learey, Tobi | SA | Merit | Agricultural and Horticultural Studies | |
| 581 | Leary, Alice | SA | Merit | Modern History | |
| 582 | Lee, Joshua Min-Hyong | SA | Merit | Mathematical Studies | |
| 583 | Lee, Joshua Min-Hyong | SA | Merit | Specialist Mathematics | |
| 584 | Leerdam, Nicholas | SA | Merit | Mathematical Studies | |
| 585 | Leerdam, Nicholas | SA | Merit | Physics | |
| 586 | Leerdam, Nicholas | SA | Merit | Specialist Mathematics | |
| 587 | Leung, Madeleine | SA | Merit | Biology | |
| 588 | Lewis, Elliott | SA | Merit | Specialist Mathematics | |
| 589 | Lewis, Natalie | SA | Merit | Women's Studies | |
| 590 | Li, Christine | Walford Anglican School for Girls | Hyde Park | Australian Student Prize | |
| 591 | Li, Christine | Walford Anglican School for Girls | Hyde Park | Gov of SA SACE Award | |
| 592 | Li, Christine | Walford Anglican School for Girls | Hyde Park | Merit | Chemistry |
| 593 | Li, Christine | Walford Anglican School for Girls | Hyde Park | Merit | English Studies |
| 594 | Li, Christine | Walford Anglican School for Girls | Hyde Park | Merit | Mathematical Methods |
| 595 | Li, Christine | Walford Anglican School for Girls | Hyde Park | Merit | Physics |
| 596 | Li, Lusa | SA | Merit | Ensemble Performance | |
| 597 | Li, Lusa | SA | Merit | Solo Performance | |
| 598 | Li, Meredith Shuang-Cheng | SA | Merit | English as Second Language Studies | |
| 599 | Li, Meredith Shuang-Cheng | SA | Merit | Mathematical Methods | |
| 600 | Li, Wing Yee | SA | Merit | Accounting | |
| 601 | Li, Wing Yee | SA | Merit | Mathematical Applications | |
| 602 | Liew, Sean | SA | Merit | Mathematical Studies | |
| 603 | Liminton, Isabella | SA | Merit | Tourism | |
| 604 | Ling, Tayla | SA | Merit | English Communications | |
| 605 | Linn, Sophie Alexandra | SA | Merit | Vocational Studies B | |
| 606 | Livesey, Patrick | SA | Merit | Drama | |
| 607 | Lloyd, Alexander | SA | Merit | Drama | |
| 608 | Lo, Alex Pak Fung | SA | Merit | Accounting | |
| 609 | Lokan, Lucinda | SA | Merit | English Communications | |