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.
| 475 | JANNES, Nicola | SA | Merit | English | |
| 476 | JAWAD, Zainab | SA | Merit | Chemistry | |
| 477 | JAWADI, Sayed Mohammad | SA | Merit | Health | |
| 478 | JAWADI, Sayed Mohammad | SA | Merit | Religion Studies | |
| 479 | JAYASEKARA, Rajith Avishka | SA | Merit | Biology | |
| 480 | JELLY, Kayla Kimberley | SA | Merit | Essential Mathematics | |
| 481 | JENNER, Erin | SA | Merit | Psychology | |
| 482 | JOBY, Ciyan Mariya | SA | Merit | Research Project B | |
| 483 | JOHNSON, Jessica May | SA | Merit | Outdoor Education | |
| 484 | JOHNSON, Thomas | SA | Merit | Research Project B | |
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| 485 | JOHNSTON, Alexandra | SA | Merit | Chemistry | |
| 486 | JOHNSTON, Alexandra | SA | Merit | English Literary Studies | |
| 487 | JOHNSTON, Alexandra | SA | Merit | Mathematical Methods | |
| 488 | JOHNSTON, Alexandra | SA | Merit | Physics | |
| 489 | JOO, Eunah | SA | Merit | Research Project B | |
| 490 | JOSEPH, Darcy | SA | Merit | Research Project B | |
| 491 | JOSEPH, Liya | SA | Merit | Biology | |
| 492 | JOSEPH, Liya | SA | Merit | English | |
| 493 | JUNEJO, Daniyah | SA | Merit | English | |
| 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 | |
| 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 | |