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.
| 500 | Jackson, Peter | SA | Merit | Research Project A | |
| 501 | Jaensch, Cody John | SA | Merit | Material Solutions | |
| 502 | Jaensch, Jasmine Holly | SA | Merit | Health and Wellbeing | |
| 503 | Jakacic, Matthew Joseph | SA | Merit | General Mathematics | |
| 504 | Jakacic, Natalie Kate | SA | Merit | Modern History | |
| 505 | Jaksa, Piero Luca | SA | Merit | Chemistry | |
| 506 | Jaksa, Piero Luca | SA | Merit | Physics | |
| 507 | James, Charli Shae | SA | Merit | Ancient Studies | |
| 508 | James, Charli Shae | SA | Merit | Integrated Learning A | |
| 509 | Jamieson, Mollie | SA | Merit | Biology | |
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| 510 | Jang, Jae Hee (Jay) | SA | Merit | Biology | |
| 511 | Janjua, Nihar | SA | Merit | English Literary Studies | |
| 512 | Jantzen, Matthew | SA | Merit | Research Project B | |
| 513 | Jarvis, Jaye | SA | Merit | English | |
| 514 | Jarvis, Mia Kendra Dewi | SA | Merit | Indonesian (Continuers) | |
| 515 | Jarvis, Mia Kendra Dewi | SA | Merit | Research Project B | |
| 516 | Jefferies, Nicole Margaret | SA | Merit | Research Project B | |
| 517 | Jenke, Andrew Christian | SA | Merit | Food and Hospitality | |
| 518 | Jenke, Emma Rachel | SA | Merit | Chemistry | |
| 519 | Jenke, Emma Rachel | SA | Merit | Mathematical Methods | |
| 520 | Jenke, Emma Rachel | SA | Merit | Physics | |
| 521 | Jensen, Sofia | SA | Merit | English | |
| 522 | Jesudason, Daniel Sanjivan | SA | Merit | Psychology | |
| 523 | Jesudason, Daniel Sanjivan | SA | Merit | Research Project B | |
| 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 | |
| 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 | |