| 501 | Killara High School | Killara | Stern, Lauren Michelle |
| 502 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Carr, Madeleine Elizabeth |
| 503 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Daley, Georgia |
| 504 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Dammann, Sibylla Alice |
| 505 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Dawson, Emma Sophie Antonia |
| 506 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Doyle-Bendall, Gabrielle |
| 507 | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Poli, Alessandra Emilia |
| 508 | Kingscliff High School | Kingscliff | Townsend, Kane Douglas |
| 509 | Kinross Wolaroi School | Orange | Butcherine, Ella Jane |
| 510 | Kinross Wolaroi School | Orange | Fitzpatrick, Rhianna |
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| 511 | Kinross Wolaroi School | Orange | Kwa, Rachael Wai-Chi |
| 512 | Kirrawee High School | Kirrawee | Bassford, Micaela Lee |
| 513 | Kirrawee High School | Kirrawee | Moran, Matilda Catherine |
| 514 | Knox Grammar School | Wahroonga | Anderson, Ashley Alan |
| 515 | Knox Grammar School | Wahroonga | Atkinson, Cameron James |
| 516 | Knox Grammar School | Wahroonga | Byers, James William |
| 517 | Knox Grammar School | Wahroonga | Crawford, Michael Patrick |
| 518 | Knox Grammar School | Wahroonga | Deavin, Matthew Rory |
| 519 | Knox Grammar School | Wahroonga | Duncan, Samuel Patrick |
| 520 | Knox Grammar School | Wahroonga | George, Charles Tallis |
| 521 | Knox Grammar School | Wahroonga | Green, Matthew Luke |
| 522 | Knox Grammar School | Wahroonga | Guo, Kelvin |
| 523 | Knox Grammar School | Wahroonga | Kim, David |
| 524 | Knox Grammar School | Wahroonga | Kyanian, Khosrow |
| 525 | Knox Grammar School | Wahroonga | Ling, Melvin Lee Han |
| 526 | Knox Grammar School | Wahroonga | Maxwell, Francis Ryan |
| 527 | Knox Grammar School | Wahroonga | Oh, Jason Jaeseong |
| 528 | Knox Grammar School | Wahroonga | Parker, Lloyd David |
| 529 | Knox Grammar School | Wahroonga | Reading, Sean Michael |
| 530 | Knox Grammar School | Wahroonga | Riley, Benjamin Jack |
| 531 | Knox Grammar School | Wahroonga | So, Benjamin |
| 532 | Knox Grammar School | Wahroonga | Symons, Nicholas Peter James |
| 533 | Knox Grammar School | Wahroonga | Teo, Shawn Kum Yuan |
| 534 | Knox Grammar School | Wahroonga | Turner, Max Richard |
| 535 | Knox Grammar School | Wahroonga | Whiteside, Jeremy Owen |
| 536 | Knox Grammar School | Wahroonga | Wijaya, Kevin Oey Meng Hui |
| 537 | Knox Grammar School | Wahroonga | Yeldham, Matthew Alexander |
| 538 | Knox Grammar School | Wahroonga | Yeung, Haywood Edwin Lee |
| 539 | Kogarah High School | Kogarah | Chu, Thuy Linh |
| 540 | Loreto Kirribilli | Kirribilli | Burke, Caitlin Sarah |
| 541 | Loreto Kirribilli | Kirribilli | Murphy, Sarah Louise |
| 542 | Loreto Kirribilli | Kirribilli | Nicholas, Lucy Alexandra |
| 543 | Loreto Kirribilli | Kirribilli | Satterthwaite, Rhiannon Alice |
| 544 | Loreto Kirribilli | Kirribilli | To, Cassandra |
| 545 | Loreto Kirribilli | Kirribilli | Videan, Georgia Ellen Mary |
| 546 | Loreto Normanhurst | Normanhurst | Condon, Elizabeth Maeve |
| 547 | Loreto Normanhurst | Normanhurst | Cooper, Elizabeth Anne |
| 548 | Loreto Normanhurst | Normanhurst | Del Gigante, Elizabeth |
| 549 | Loreto Normanhurst | Normanhurst | Flynn, Louise |
| 550 | Loreto Normanhurst | Normanhurst | Gordon, India |