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.
| 486 | Hood, Jessica | SA | Merit | Legal Studies | |
| 487 | Hood, Zoe Kate | SA | Merit | Physical Education | |
| 488 | Hood, Zoe Kate | SA | Merit | Research Project B | |
| 489 | Hooper, Scarlett | SA | Merit | English | |
| 490 | Horbelt, Samantha Jane | SA | Merit | Society and Culture | |
| 491 | Horbelt, Zachary David | SA | Merit | Mathematical Methods | |
| 492 | Hore, Blake | SA | Merit | Chemistry | |
| 493 | Hore, Blake | SA | Merit | Physics | |
| 494 | Horton, Emilie | SA | Merit | Research Project B | |
| 495 | Howes, Kayla | SA | Merit | Health | |
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| 496 | Hsi, Arabelle Zoe | SA | Merit | Psychology | |
| 497 | Hughes, Caitlin | SA | Merit | Child Studies | |
| 498 | Hughes, Samantha | SA | Merit | Health | |
| 499 | Hughes, William Armstrong | SA | Merit | Society and Culture | |
| 500 | Humphries, Ella | SA | Merit | General Mathematics | |
| 501 | Hunter, Georgia Soleil | SA | Merit | General Mathematics | |
| 502 | Hunter, Phoebe Jean | SA | Merit | Biology | |
| 503 | Hunter, Phoebe Jean | SA | Merit | Chemistry | |
| 504 | Hunter, Phoebe Jean | SA | Merit | Research Project B | |
| 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 | |
| 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 | |