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.
| 644 | King, Svetlana Michelle | SA | Merit | Music Individual Study | |
| 645 | Kinnear, Ned | SA | Merit | Mathematical Studies | |
| 646 | Kirkland, Judith Lorraine | SA | Merit | Small Business Enterprise | |
| 647 | Kirkwood, Thelma | SA | Merit | The Arts and the Community | |
| 648 | Kirvan, Tyson | SA | Merit | Foods and the Community | |
| 649 | Kirwan, Jack Michael | SA | Merit | Computing Applications | |
| 650 | Klingberg, Hannah Elees | SA | Merit | Physical Education | |
| 651 | Klitscher, Philip Johannes | SA | Merit | Metals Engineering - Welding | |
| 652 | Kohirata, Mika | SA | Merit | Japanese (Continuers) | |
| 653 | Kolster, Bradley James | SA | Merit | Information Technology | |
| |
|||||
| 654 | Komazec, Kimberly Jade | SA | Merit | Geography Studies | |
| 655 | Koorts, Carine | SA | Merit | Biology | |
| 656 | Koorts, Carine | SA | Merit | Religions in Australia | |
| 657 | Kotz, Taneke | SA | Merit | Food and Hospitality | |
| 658 | Kox, Jessica Renee | SA | Merit | Business and the Community | |
| 659 | Kozien, Rebecca | SA | Merit | Geography Studies | |
| 660 | Kunda, Bradley James | SA | Merit | Musicianship | |
| 661 | Kupec, Simon Michael | SA | Merit | Business Studies | |
| 662 | Kupke, Amanda Jane | SA | Merit | Geography Studies | |
| 663 | Kurzel, Thomas Francis | SA | Merit | Physical Education | |
| 664 | Kurzok, Renee Jayne | SA | Merit | Mathematical Applications | |
| 665 | Lai, Yin Yee | SA | Merit | Chemistry | |
| 666 | Lai, Yin Yee | SA | Merit | English Studies | |
| 667 | Lam, Hien Duy | SA | Merit | English as Second Language Studies | |
| 668 | Lambos, Elaine | SA | Merit | Art Practical | |
| 669 | Large, Sianne Cara | SA | Merit | Mathematical Applications | |
| 670 | Lathouros, Marie | SA | Merit | Child Studies | |
| 671 | Lau, Silvia | SA | Merit | English as Second Language Studies | |
| 672 | Lau, Silvia | SA | Merit | Tourism | |
| 673 | Lawless, Tanya Maree | SA | Merit | Music in Society | |
| 674 | Lay, Frieda | SA | Merit | English as Second Language Studies | |
| 675 | Le Poidevin, Aaron Jon | SA | Merit | Economics | |
| 676 | Le Poidevin, Aaron Jon | SA | Merit | Information Technology Studies | |
| 677 | Le Poidevin, Aaron Jon | SA | Merit | Legal Studies | |
| 678 | Lebbon, Michael | SA | Merit | Business Studies | |
| 679 | Lebbon, Michael | SA | Merit | Economics | |
| 680 | Lebbon, Michael | SA | Merit | Mathematical Studies | |
| 681 | Lebbon, Michael | SA | Merit | Physics | |
| 682 | Lebbon, Michael | SA | Merit | Specialist Mathematics | |
| 683 | Lebbon, Michael James | St Peters College | St Peters | Australian Student Prize | |
| 684 | Lee, Chooi-Ann | SA | Merit | Solo Performance | |
| 685 | Lee, Jonathan Aik Keong | SA | Merit | Mathematical Studies | |
| 686 | Lee, Silvan Michelle | SA | Merit | Geography Studies | |
| 687 | Leedham, Bryce Robert | SA | Merit | Mathematical Studies | |
| 688 | Leedham, Bryce Robert | SA | Merit | Physics | |
| 689 | LeMESSURIER, Richard | SA | Merit | Technical Graphics | |
| 690 | Lemon, Phillip Edward | SA | Merit | Mathematical Studies | |
| 691 | Lemon, Phillip Edward | SA | Merit | Specialist Mathematics | |
| 692 | Levy, Gabriel | SA | Merit | Music Individual Study | |
| 693 | Lewis, Zoe Aasta | SA | Merit | Geography Studies | |