This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 494 | KALIONIS, Isabella | SA | Merit | Child Studies | |
| 495 | KALIONIS, Isabella | SA | Merit | Research Project B | |
| 496 | KALYVAS, John | SA | Merit | Biology | |
| 497 | KALYVAS, John | SA | Merit | Chemistry | |
| 498 | Kalyvas, John | Eynesbury Senior College | Adelaide | Prize: Way College Prize and Medal | Chemistry |
| 499 | KAMATH, Aditi Ajay | SA | Merit | Chemistry | |
| 500 | KAMATH, Aditi Ajay | SA | Merit | English | |
| 501 | KAMMERMANN, Maddisen | SA | Merit | Food and Hospitality | |
| 502 | KANAHALA GAMAGE, Naomi | SA | Merit | English | |
| 503 | KARAPETIS, Christina | SA | Merit | English | |
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| 504 | KAT, Maia Alessandra | SA | Merit | Biology | |
| 505 | KAT, Maia Alessandra | SA | Merit | Chemistry | |
| 506 | KAT, Maia Alessandra | SA | Merit | General Mathematics | |
| 507 | KAUR, Ashapreet | SA | Merit | English | |
| 508 | KEANE, Meghan | SA | Merit | Psychology | |
| 509 | KEARSLEY, Paige Ellen | SA | Merit | Health | |
| 510 | KEEN, Georgia Ebony | SA | Merit | Child Studies | |
| 511 | KEEP, Mackahla Jade | SA | Merit | Agricultural Production | |
| 512 | KEHAGIAS, Jazmin Anastacia | SA | Merit | Psychology | |
| 513 | KELLY, Madalin Louise | SA | Merit | Health | |
| 514 | KELLY, Madalin Louise | SA | Merit | Research Project B | |
| 515 | KENNEDY, Jesse Georgina | SA | Merit | Chemistry | |
| 516 | KENNEDY, Jesse Georgina | SA | Merit | Mathematical Methods | |
| 517 | KENNEDY, Jesse Georgina | SA | Merit | Physics | |
| 518 | KENNEDY, Jesse Georgina | SA | Merit | Research Project B | |
| 519 | KENNEDY, Winona | SA | Merit | Music Technology | |
| 520 | KENYON, Toula | SA | Merit | Material Products II | |
| 521 | KERR, Tayla Joan | SA | Merit | Health | |
| 522 | KERRY, Isabelle Elise | SA | Merit | English | |
| 523 | KERSHAW, Matthew John | SA | Merit | English | |
| 524 | KILGALLON, Jenna Shae | SA | Merit | Research Project B | |
| 525 | KIM, Euijin | SA | Merit | Mathematical Methods | |
| 526 | KIM, Euijin | SA | Merit | Specialist Mathematics | |
| 527 | KIM, Jin Won | SA | Merit | English as an Additional Language | |
| 528 | KIM, Sungmin (Katie) | SA | Merit | Mathematical Methods | |
| 529 | KINNEAR, Jack Bronte | SA | Merit | Physical Education | |
| 530 | KIRKBY, Max | SA | Merit | Mathematical Methods | |
| 531 | KIRKBY, Max | SA | Merit | Research Project B | |
| 532 | KLEIN, Vitor Jeong | SA | Merit | Physics | |
| 533 | KNOWLES, Emma Bethany | SA | Merit | Research Project B | |
| 534 | KOO, Youngmo | SA | Merit | Specialist Mathematics | |
| 535 | KORE, Asher | SA | Merit | Research Project B | |
| 536 | KOSOL, Rosa | SA | Merit | Business and Enterprise | |
| 537 | KOSZEWSKI, Isaac | SA | Merit | Business and Enterprise | |
| 538 | KRITIKOS, Irene Theoni | SA | Merit | Communication Products I | |
| 539 | KROON, Ryan Thomas | SA | Merit | Research Project B | |
| 540 | KRYWANIO, Matilda | SA | Merit | Korean (Beginners) | |
| 541 | KRZYSTOSZEK, Daniela | SA | Merit | Child Studies | |
| 542 | LAI, Jia Jieh Reuben | SA | Merit | English as an Additional Language | |
| 543 | LAING, Callum | SA | Merit | Research Project B | |