This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2020, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 536 | Kahlon, Armaanpreet Kaur | SA | Merit | Research Project B | |
| 537 | Kamath, Sharanya | SA | Merit | English | |
| 538 | Karagiannis, Tahlia | SA | Merit | English | |
| 539 | Katsabis, Joanna | SA | Merit | Workplace Practices | |
| 540 | Katyal, Aryan | SA | Merit | Research Project B | |
| 541 | Katzer, Chloe | SA | Merit | Child Studies | |
| 542 | Kay, Madison Louise | SA | Merit | Health | |
| 543 | Kazla, Emily Louise | SA | Merit | Research Project B | |
| 544 | Keain, Lillian | SA | Merit | Child Studies | |
| 545 | Keain, Lillian | SA | Merit | English | |
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| 546 | Keegan, Mitchell | SA | Merit | Research Project B | |
| 547 | Keir, Molly | SA | Merit | Research Project B | |
| 548 | Keith, Mirrin Abby | SA | Merit | Psychology | |
| 549 | Kelly, Rachael Anne | SA | Merit | Research Project B | |
| 550 | Kelsey-Evans, Lori Erin | SA | Merit | Ancient Studies | |
| 551 | Kelton, Ryan | SA | Merit | Mathematical Methods | |
| 552 | Kemp, Charles | SA | Merit | Industry and Entrepreneurial Solutions | |
| 553 | Kemp, Corey | SA | Merit | Research Project B | |
| 554 | Kemp, Eva Grace | SA | Merit | Food and Hospitality | |
| 555 | Kemp, Eva Grace | SA | Merit | Research Project B | |
| 556 | Kemp, Stella | SA | Merit | English Literary Studies | |
| 557 | Keough, Thomas | SA | Merit | Research Project B | |
| 558 | Khan, Doha | SA | Merit | Workplace Practices | |
| 559 | Khan, Zaina | SA | Merit | Psychology | |
| 560 | Khaw, Ai-En | SA | Merit | Mathematical Methods | |
| 561 | Khaw, Fabian | SA | Merit | Business and Enterprise | |
| 562 | Khaw, Fabian | SA | Merit | Industry and Entrepreneurial Solutions | |
| 563 | Khurram, Rushan | SA | Merit | Chemistry | |
| 564 | Khurram, Rushan | SA | Merit | English | |
| 565 | Khurram, Rushan | SA | Merit | Physics | |
| 566 | Kieu, Hannah Nogoc-Han | SA | Merit | Essential Mathematics | |
| 567 | Kilgariff-Johnson, Luka Dillon | SA | Merit | Music Explorations | |
| 568 | Kilkenny-Jones, Constance | Heathfield High School | Heathfield | Gov of SA SACE Award | |
| 569 | Kim, Daniel | SA | Merit | Research Project B | |
| 570 | Kim, Julie Jimin | SA | Merit | English | |
| 571 | Kim, Julie Jimin | SA | Merit | Research Project B | |
| 572 | Kim, Minseo | SA | Merit | Research Project B | |
| 573 | Kimber, Felix | Saint Ignatius College | Athelstone | Prize: Tennyson Medal | English Studies |
| 574 | Kimber, Felix Richard | SA | Merit | Ancient Studies | |
| 575 | Kimber, Felix Richard | SA | Merit | English Literary Studies | |
| 576 | Kimber, Felix Richard | SA | Merit | Modern History | |
| 577 | Kimber, Felix Richard | SA | Merit | Research Project B | |
| 578 | King, Sophie | SA | Merit | Society and Culture | |
| 579 | King, Trinity Brenelle | SA | Merit | Psychology | |
| 580 | King, Trinity Brenelle | SA | Merit | Visual Arts - Art | |
| 581 | Kirkby, Lara | SA | Merit | Business Innovation | |
| 582 | Kirkby, Lara | SA | Merit | English | |
| 583 | Kleemann, Jorjia | SA | Merit | Religion Studies | |
| 584 | Kleinig, Oliver | St Peters College | St Peters | Gov of SA SACE Award | |
| 585 | Kleinig, Oliver Saba | SA | Merit | Chemistry | |