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.
| 505 | Hunter, William | Kadina Memorial School | Kadina | Gov of SA SACE Award | |
| 506 | Huo, Catherine | SA | Merit | English as an Additional Language | |
| 507 | Huo, Catherine | SA | Merit | Mathematical Methods | |
| 508 | Huo, Catherine | SA | Merit | Physics | |
| 509 | Hurn, Ethan James Reynolds | SA | Merit | Food and Hospitality | |
| 510 | Hushen, Austin Byron | SA | Merit | Integrated Learning B | |
| 511 | Hussaini, Zakia | SA | Merit | English | |
| 512 | Huynh, Amy | SA | Merit | English | |
| 513 | Huynh, Kyle | SA | Merit | Mathematical Methods | |
| 514 | Hynes, Emma | SA | Merit | Research Project B | |
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| 515 | Ing, Wendy | SA | Merit | Research Project B | |
| 516 | Ingham, Imogen Anais | SA | Merit | Geography | |
| 517 | Ireland, Georgia | SA | Merit | General Mathematics | |
| 518 | Ismail, Lela | SA | Merit | Research Project A | |
| 519 | Itsines, Katie Leigh | SA | Merit | Research Project B | |
| 520 | Jacobsen, Liam Sejong | SA | Merit | Mathematical Methods | |
| 521 | Jaensch, Jasmine Holly | SA | Merit | Research Project B | |
| 522 | James, Charli Shae | SA | Merit | Research Project B | |
| 523 | Janjua, Nihar | SA | Merit | Research Project B | |
| 524 | Jarvis, Larna Marie | SA | Merit | Psychology | |
| 525 | Jarvis, Larna Marie | SA | Merit | Tourism | |
| 526 | Jawadi, Isabella Fatima | SA | Merit | Physical Education | |
| 527 | Jayawickrama, Amanda Mandhira Sudhira | SA | Merit | Biology | |
| 528 | Jenke, Emma Rachel | SA | Merit | Food and Hospitality | |
| 529 | Jenkins, Kara | SA | Merit | Research Project B | |
| 530 | Jiang, Le | SA | Merit | English | |
| 531 | Jolley, Alex Suzannah | SA | Merit | Research Project B | |
| 532 | Jones, Ella Anne | SA | Merit | Research Project B | |
| 533 | Jones, Felix | SA | Merit | General Mathematics | |
| 534 | Jose, Anna Maria | SA | Merit | General Mathematics | |
| 535 | Jose, Thomas Ivan | SA | Merit | Physics | |
| 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 | |
| 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 | |