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.
| 363 | Gacic, Nikolas | SA | Merit | Research Project B | |
| 364 | Gadomski-Mott, Molly Mia | SA | Merit | Psychology | |
| 365 | Gaertner, Thomas | St Peters College | St Peters | Prize: Australian Institute of Physics Prize - Bronze Bragg Medal | Physics |
| 366 | Galbraith, Joshua | SA | Merit | Research Project B | |
| 367 | Galluccio, Isabella | SA | Merit | Essential Mathematics | |
| 368 | Gardner, Ruby | SA | Merit | Modern History | |
| 369 | Gatter, Cheyann Desma | SA | Merit | Health | |
| 370 | Gauci, Alexandra Kate | SA | Merit | Biology | |
| 371 | Gaufo, Patricia | SA | Merit | Research Project B | |
| 372 | Gawler, Stephanie | SA | Merit | Research Project B | |
| 373 | Georgaris, Ellie Mary | SA | Merit | Outdoor Education | |
| 374 | Georgi, Kachina Louise | SA | Merit | English | |
| 375 | Gerard, Henry James | SA | Merit | Accounting | |
| 376 | Gilbert, Alice | SA | Merit | Religion Studies | |
| 377 | Gill, Irhas Muhammad | SA | Merit | English | |
| 378 | Gill, Irhas Muhammad | SA | Merit | Mathematical Methods | |
| 379 | Gill, Irhas Muhammad | SA | Merit | Specialist Mathematics | |
| 380 | Gladigau, Aimee Loine | SA | Merit | Visual Arts - Art | |
| 381 | Goh, Zhuo Shan | SA | Merit | Music Explorations | |
| 382 | Goh, Zhuo Shan | SA | Merit | Music Studies | |
| 383 | Golding, Cameron | SA | Merit | Workplace Practices | |
| 384 | Golledge, Liam | SA | Merit | Research Project B | |
| 385 | Gomez, Rhytech | SA | Merit | Research Project B | |
| 386 | Gong, Jason | SA | Merit | Chemistry | |
| 387 | Gonzalez Pinheiro, Ezequiel | SA | Merit | Research Project B | |
| 388 | Goold, Emily | SA | Merit | Business Innovation | |
| 389 | Gordon, Abbie Claire | SA | Merit | Research Project B | |
| 390 | Gordon, Paige | SA | Merit | Research Project B | |
| 391 | Gorpynyak, Maria | SA | Merit | Language and Culture | |
| 392 | Gorrie, Sam Giorgio Mercurio | SA | Merit | Mathematical Methods | |
| 393 | Goss, Daniel James | SA | Merit | Research Project A | |
| 394 | Gough, Hannah | SA | Merit | English Literary Studies | |
| 395 | Gouskos, Peta | SA | Merit | Biology | |
| 396 | Grainger, Grace | SA | Merit | Research Project B | |
| 397 | Gray, Cerys Emily | SA | Merit | Material Solutions | |
| 398 | Green, Callum | SA | Merit | Geography | |
| 399 | Greenfield, Bridie Bethany | SA | Merit | Outdoor Education | |
| 400 | Gregurev, Grace Emily | SA | Merit | Research Project B | |
| 401 | Greig, Charlotte Eva | SA | Merit | Research Project B | |
| 402 | Griffiths, Cloe | SA | Merit | Drama | |
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| 403 | Griffiths, Cloe | SA | Merit | Workplace Practices | |
| 404 | Grotto, Anthony Paul | SA | Merit | Mathematical Methods | |
| 405 | Grout, Danielle | SA | Merit | Ancient Studies | |
| 406 | Grover, Meg Hannah | SA | Merit | Child Studies | |
| 407 | Grover, Meg Hannah | SA | Merit | General Mathematics | |
| 408 | Guerrero, Yuan Miguel | SA | Merit | Research Project A | |
| 409 | Guglielmucci, Lara | SA | Merit | Biology | |
| 410 | Guglielmucci, Lara | SA | Merit | Research Project B | |
| 411 | Gulliver, Asha Emily | SA | Merit | Psychology | |
| 412 | Gunn, Chloe Chantelle | SA | Merit | Integrated Learning B | |
| 413 | Gunn, Lily Chanel | SA | Merit | Research Project B | |
| 414 | Gunn, Marcus Georg Malcolm | SA | Merit | Physics | |
| 415 | Guy, Alice Sylvia | SA | Merit | Drama | |
| 416 | Ha, Mai Thu | SA | Merit | Material Solutions | |
| 417 | Ha, Mi Thao Linh | SA | Merit | Vietnamese (Continuers) | |
| 418 | Haddad, Jack | SA | Merit | Psychology | |
| 419 | Haddad, Ky | SA | Merit | Research Project B | |
| 420 | Hagicostas, Max | SA | Merit | Research Project B | |
| 421 | Haider, Hania | SA | Merit | Biology | |
| 422 | Halliwell, Lucie Anne | SA | Merit | Industry and Entrepreneurial Solutions | |
| 423 | Hansch-Maher, Silas | Saint Ignatius College | Athelstone | Gov of SA SACE Award | |
| 424 | Hansch-Maher, Silas Luis Horatio | SA | Merit | Biology | |
| 425 | Hansch-Maher, Silas Luis Horatio | SA | Merit | Integrated Learning A | |
| 426 | Hansch-Maher, Silas Luis Horatio | SA | Merit | Physics | |
| 427 | Hansen, Dana | SA | Merit | Creative Arts | |
| 428 | Hansen, Erin Grace | SA | Merit | Research Project B | |
| 429 | Hari, Abhishek | SA | Merit | Research Project B | |
| 430 | Harker, Olivia Cate | SA | Merit | General Mathematics | |
| 431 | Harker, Olivia Cate | SA | Merit | Nutrition | |
| 432 | Harris, Angela Jade | SA | Merit | Psychology | |
| 433 | Harrison, Jordan | SA | Merit | General Mathematics | |
| 434 | Hart, Alisha Rose | SA | Merit | Integrated Learning A | |
| 435 | Hart, Joshua Jefferson | SA | Merit | Digital Communication Solutions | |
| 436 | Hartell, Charlotte | SA | Merit | Psychology | |
| 437 | Harvey, Ashleigh | SA | Merit | Research Project B | |
| 438 | Hasnat, Adnan | SA | Merit | Legal Studies | |
| 439 | Hasnat, Adnan | SA | Merit | Physics | |
| 440 | Hastings, Olivia Rose | SA | Merit | Psychology | |
| 441 | Hastings, Olivia Rose | SA | Merit | Research Project B | |
| 442 | Hately, Aiden | SA | Merit | Psychology | |
| 443 | Hawker, Jessica | SA | Merit | Biology | |
| 444 | Hawker, Jessica | SA | Merit | Research Project B | |
| 445 | Healey, Alice | SA | Merit | English Literary Studies | |
| 446 | Healey, Alice | SA | Merit | Research Project B | |
| 447 | Hean, Sopheara | SA | Merit | General Mathematics | |
| 448 | Heathershaw, Sam | Woodville High School | St Clair | Gov of SA SACE Award | |
| 449 | Heaver, Trent | SA | Merit | Biology | |
| 450 | Heaver, Trent | SA | Merit | Chemistry | |
| 451 | Heaver, Trent | SA | Merit | Physics | |
| 452 | Heaver, Trent | Kings Baptist Grammar School | Wynn Vale | Gov of SA SACE Award | |
| 453 | Heinrich, Meshach | SA | Merit | Digital Communication Solutions | |
| 454 | Helbig, Alana Grace | SA | Merit | Biology | |
| 455 | Helbig, Alana Grace | SA | Merit | Chemistry | |
| 456 | Helbig, Alana Grace | SA | Merit | Research Project B | |
| 457 | Henderson, Victoria | SA | Merit | Research Project B | |
| 458 | Hendrie, Jaydan Donald | SA | Merit | Research Project B | |
| 459 | Henry, Eimear | SA | Merit | Biology | |
| 460 | Henry, Eimear | SA | Merit | Research Project B | |
| 461 | Hill, Annabelle | SA | Merit | Information Processing and Publishing | |
| 462 | Hill, Hannah | SA | Merit | Business Innovation | |
| 463 | Hill, Summer | SA | Merit | Research Project B | |
| 464 | Hill, Thomas | SA | Merit | Integrated Learning A | |
| 465 | Hill, Thomas | SA | Merit | Psychology | |
| 466 | Hinton, Isaac Joseph | SA | Merit | Research Project B | |
| 467 | Hinze, Emily | Cornerstone College | Mount Barker | Gov of SA SACE Award | |
| 468 | Hinze, Emily Claire | SA | Merit | Physics | |
| 469 | Hinze, Emily Claire | SA | Merit | Research Project B | |
| 470 | Hislop, Tara | SA | Merit | Research Project B | |
| 471 | Hissaria, Sanyukta | SA | Merit | Essential Mathematics | |
| 472 | Hissey, Chloe | SA | Merit | General Mathematics | |
| 473 | Ho, Kylie | SA | Merit | Chemistry | |
| 474 | Ho, Kylie | Unley High School | Netherby | Gov of SA SACE Award | |
| 475 | Hobbs, Ella Kathryn | SA | Merit | Food and Hospitality | |
| 476 | Hocking, Emma Maree | SA | Merit | General Mathematics | |
| 477 | Hoe, Isaac Jun Xian | SA | Merit | Chemistry | |
| 478 | Hoe, Isaac Jun Xian | SA | Merit | English | |
| 479 | Hoe, Isaac Jun Xian | SA | Merit | Mathematical Methods | |
| 480 | Hoffmann, Axel Martin | SA | Merit | Digital Technologies | |
| 481 | Holmes, Alexandra Maddison | SA | Merit | English | |
| 482 | Holtze, Amelia | SA | Merit | Research Project B | |
| 483 | Homer, Ella Louise | SA | Merit | Music Explorations | |
| 484 | Honeychurch, Tahlia | SA | Merit | Research Project B | |
| 485 | Hong, Trinity | SA | Merit | Physical Education | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |