| 601 | Kalyanasundaram, Kriti | 1 |
| 602 | Kamath, Tarun Ajay | 1 |
| 603 | Kapoor, Aieshewarrya | 1 |
| 604 | Karachur, Nidhi | 1 |
| 605 | Kaur, Sahibjot | 1 |
| 606 | Kaur, Sargunpreet | 1 |
| 607 | Kaur, Sukhmani | 1 |
| 608 | Keegan, Tahlia | 1 |
| 609 | Kellermann Williams, Kasimir Llywelyn | 1 |
| 610 | Kelly, Isaac | 1 |
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| 611 | Kennedy, Abby | 1 |
| 612 | Kennedy, Caitlin | 1 |
| 613 | Kennett, Will | 1 |
| 614 | Kerrison, Lucinda | 1 |
| 615 | Kesington, Angelia Aduke | 1 |
| 616 | Ketses, Vasillia-Estella | 1 |
| 617 | Kim, Eugena Eugene | 1 |
| 618 | Kim, Haeun | 1 |
| 619 | King, Georgia | 1 |
| 620 | King, Jessica | 1 |
| 621 | Kirk, Grace | 1 |
| 622 | Kirsch, Charlotte | 1 |
| 623 | Klose, Riley | 1 |
| 624 | Kneebone, Alana Adele Bamford | 1 |
| 625 | Koh, Alexander Shi-Jie | 1 |
| 626 | Kolencik, Isabella | 1 |
| 627 | Kollarackal, Ann Mary | 1 |
| 628 | Kolomitsev, Ivy | 1 |
| 629 | Kosmidis, Georgia | 1 |
| 630 | Kozlovic, Sophie Isabelle | 1 |
| 631 | Krolikowski-Angelino, Ruby Merie | 1 |
| 632 | Kun, Panhaseth | 1 |
| 633 | Kurian, Aagie | 1 |
| 634 | Kusuma, Putu Imogen Putri | 1 |
| 635 | Kwon, Seojin | 1 |
| 636 | Laddipeerla, Siri | 1 |
| 637 | Laforgia, Tom | 1 |
| 638 | Lam, Isabella | 1 |
| 639 | Lane-Ellis, Ryan | 1 |
| 640 | Lang, Kayla Jade | 1 |
| 641 | Langley, Jemima Alice | 1 |
| 642 | Launer, James Peter | 1 |
| 643 | Laycock, Sophie | 1 |
| 644 | Le, Jade Thu Minh | 1 |
| 645 | Le, Tam Nhu | 1 |
| 646 | Le, Tina | 1 |
| 647 | Lee, Eugene | 1 |
| 648 | Lee, Ryan Jihwan | 1 |
| 649 | Lee, Wilson Ching Hin | 1 |
| 650 | Lee, Wing Tung | 1 |