This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2021, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 524 | Jeyanthan, Arun | SA | Merit | Research Project B | |
| 525 | Jia, Canyu | SA | Merit | Music Performance - Ensemble | |
| 526 | Jia, Canyu | SA | Merit | Music Performance - Solo | |
| 527 | Jia, Canyu | SA | Merit | Research Project B | |
| 528 | Jia, Canyu (Alice) | Wilderness School | Medindie | Prize: Don Maynard Music Prize | Music |
| 529 | Jiang, Ruxin | SA | Merit | Chinese (Background Speakers) | |
| 530 | Jiang, Yifan | SA | Merit | Mathematical Methods | |
| 531 | Johansson, Mina | SA | Merit | Music Performance - Solo | |
| 532 | Johansson, Mina | SA | Merit | Research Project B | |
| 533 | Jolly, Emma | SA | Merit | Physical Education | |
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| 534 | Jones, Angelina Bianca | SA | Merit | Research Project B | |
| 535 | Jones, Audrey Iris Beasley | SA | Merit | Physical Education | |
| 536 | Jones, Breeana Claire | SA | Merit | Research Project B | |
| 537 | Jones, Stephanie Emily | SA | Merit | Research Project B | |
| 538 | Jose, Madeleine Claire | SA | Merit | Information Processing and Publishing | |
| 539 | Joseph, Angel Mary | SA | Merit | Research Project B | |
| 540 | Joshi, Rhea | SA | Merit | Research Project B | |
| 541 | Jung, Chan Hee | SA | Merit | English | |
| 542 | Jung, Chan Hee | SA | Merit | Research Project B | |
| 543 | Jury, Daisy | Westminster School | Marion | Gov of SA SACE Award | |
| 544 | Kalamaras, Scarlett | SA | Merit | Information Processing and Publishing | |
| 545 | Kalyanasundaram, Kriti | SA | Merit | English | |
| 546 | Kang, Hoon | SA | Merit | Research Project B | |
| 547 | Kapoor, Arnav | SA | Merit | Psychology | |
| 548 | Karagiannis, Elleni | SA | Merit | Research Project B | |
| 549 | Karavasili, Theo-Charis | SA | Merit | Research Project B | |
| 550 | Karpathios, Alexandra | SA | Merit | Research Project B | |
| 551 | Kasehagen, Jesse | SA | Merit | Industry and Entrepreneurial Solutions | |
| 552 | Kasimidou, Theodora | SA | Merit | Workplace Practices | |
| 553 | Katsabis, Elaina | SA | Merit | Food and Hospitality | |
| 554 | Katyal, Aryan | SA | Merit | English | |
| 555 | Katyal, Aryan | SA | Merit | Integrated Learning A | |
| 556 | Kaveberg, Savannah Sunni | SA | Merit | Research Project B | |
| 557 | Keene, Lili Grace Sparks | SA | Merit | Essential English | |
| 558 | Kehagias, Georgia | SA | Merit | Material Solutions | |
| 559 | Kehagias, Georgia | SA | Merit | Research Project B | |
| 560 | Kehagias, Georgia | Immanuel College | Novar Gardens | Gov of SA SACE Award | |
| 561 | Kemp, Allegra | SA | Merit | General Mathematics | |
| 562 | Kemp, Eva Grace | SA | Merit | Biology | |
| 563 | Kemp, Jeremy Stephen | SA | Merit | Research Project B | |
| 564 | Kempt, Mariel | SA | Merit | Information Processing and Publishing | |
| 565 | Kennedy, Mitchell | SA | Merit | Religion Studies | |
| 566 | Kennedy, Mitchell | SA | Merit | Specialist Mathematics | |
| 567 | Kennedy, Orlando | SA | Merit | English | |
| 568 | Kenning, Charlotte Hollie | SA | Merit | English | |
| 569 | Kenning, Charlotte Hollie | SA | Merit | Visual Arts - Art | |
| 570 | Keys, Sophia | SA | Merit | Ancient Studies | |
| 571 | Khanna, Shreyas | SA | Merit | English | |
| 572 | Kien, Minh Nhut | SA | Merit | English as an Additional Language | |
| 573 | Kien, Minh Nhut | SA | Merit | Mathematical Methods | |