This report lists the winners of Certificates of Distinction and Certificates of Merit for 2019, along with the school that they attended.
These certificates are awarded to students who achieve at least 150 points (Certificate of Merit) or 190 points (Certificate of Distinction) across 20 year 11 and year 12 course units or equivalents, of which 10 are at year 12 level.
Formerly these awards were named Certificates of Commendation (2012-2015) or Certificates of Excellence (prior to 2012), and were based on achievements of at least 20 'A' grades in course units or equivalents.
| 551 | Cert of Distinction | KIGGINS, SOPHIE | St Hildas Anglican School for Girls | Mosman Park |
| 552 | Cert of Distinction | KIM, YEE HERN | Applecross Senior High School | Ardross |
| 553 | Cert of Distinction | KING, SAMANTHA | Santa Maria College | Attadale |
| 554 | Cert of Distinction | KIRIWATHTHUDUWA, YASIRU | Emmanuel Catholic College | Success |
| 555 | Cert of Distinction | KIRKLAND, HUDSON CRAIG | Manea Senior College | Bunbury |
| 556 | Cert of Distinction | KISS, LARA ELIZABETH | Woodvale Secondary College | Woodvale |
| 557 | Cert of Distinction | KITAEFF, REEF VYACHESLAV | Perth Modern School | Subiaco |
| 558 | Cert of Distinction | KLAASSEN, JAIMEE | Lake Joondalup Baptist College | Joondalup |
| 559 | Cert of Distinction | KNIGHT, HANNAH | Penrhos College | Como |
| 560 | Cert of Distinction | KNOBLICH, MAIA KATE | Duncraig Senior High School | Duncraig |
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| 561 | Cert of Distinction | KNUBLEY, DANIEL | Corpus Christi College | Bateman |
| 562 | Cert of Distinction | KO, MARCUS CHUNG YIN | Perth Modern School | Subiaco |
| 563 | Cert of Distinction | KOENTGEN, JULIA | St Marys Anglican Girls School | Karrinyup |
| 564 | Cert of Distinction | KOH, CALLUM | Christ Church Grammar School | Claremont |
| 565 | Cert of Distinction | KOH, SI-CHEE | Penrhos College | Como |
| 566 | Cert of Distinction | KOHLI, ADITYA | Wesley College | South Perth |
| 567 | Cert of Distinction | KOK, WILMIEN EBENHAEZER | Canning Vale College | Canning Vale |
| 568 | Cert of Distinction | KONG, VANESSA | Kingsway Christian College | Darch |
| 569 | Cert of Distinction | KOO, XUAN RUO | Kiara College | Kiara |
| 570 | Cert of Distinction | KOTTAGE, RAMUDHI VEMALYA | Canning Vale College | Canning Vale |
| 571 | Cert of Distinction | KOTULA, EMILY | Chisholm Catholic College | Bedford |
| 572 | Cert of Distinction | KOTULA, KYLEE | Methodist Ladies College | Claremont |
| 573 | Cert of Distinction | KOVAL, ANNA | Kelmscott Senior High School | Kelmscott |
| 574 | Cert of Distinction | KUAN, MATTHEW JIAN ZE | Perth Modern School | Subiaco |
| 575 | Cert of Distinction | KUCHEL, TAJ | Mazenod College | Lesmurdie |
| 576 | Cert of Distinction | KUMAR, MANAV | South Coast Baptist College | Waikiki |
| 577 | Cert of Distinction | KUMAR, REUBEN ERUM | Karratha Senior High School | Karratha |
| 578 | Cert of Distinction | KUMARAPELI, KUMARAPELIGE NIVIN | Perth Modern School | Subiaco |
| 579 | Cert of Distinction | KUMBAROFF, MELANIE | Swan Christian College | Middle Swan |
| 580 | Cert of Distinction | KUNNEN, SOPHIE | Santa Maria College | Attadale |
| 581 | Cert of Distinction | KUSNADY, QUINCY | Como Secondary College | Como |
| 582 | Cert of Distinction | KUSNANDAR, INGSUN ISIKA NILOTPALA | Perth Modern School | Subiaco |
| 583 | Cert of Distinction | KYRIAKOU, ARIA | St Hildas Anglican School for Girls | Mosman Park |
| 584 | Cert of Distinction | LAGINHA, JASMINE JEWELL | Perth Modern School | Subiaco |
| 585 | Cert of Distinction | LAKELIN, MISTY KYRABELLA | Cape Naturaliste College | Vasse |
| 586 | Cert of Distinction | LAMBERT, SOPHIE MAY | Albany Senior High School | Albany |
| 587 | Cert of Distinction | LANG, MADELEINE GRACE | Perth Modern School | Subiaco |
| 588 | Cert of Distinction | LANGSFORD, OLIVIA | Presbyterian Ladies College | Peppermint Grove |
| 589 | Cert of Distinction | LAO, ELYCIA KHEMA | Perth Modern School | Subiaco |
| 590 | Cert of Distinction | LARTER, BRANDON JEFFREY | Churchlands Senior High School | Churchlands |
| 591 | Cert of Distinction | LAW, CHRISTOPHER | Christ Church Grammar School | Claremont |
| 592 | Cert of Distinction | LAZAROO, MICAELA | Mandurah Catholic College | Mandurah |
| 593 | Cert of Distinction | LE ROUX, MERIZE | Lake Joondalup Baptist College | Joondalup |
| 594 | Cert of Distinction | LE, TRISTAN TOBY | Perth Modern School | Subiaco |
| 595 | Cert of Distinction | LEBLANC, MAX | Bunbury Catholic College | Bunbury |
| 596 | Cert of Distinction | LEE, AARON YI XIAN | Mount Lawley Senior High School | Mount Lawley |
| 597 | Cert of Distinction | LEE, BENJAMIN JIAN-WEN | Rossmoyne Senior High School | Rossmoyne |
| 598 | Cert of Distinction | LEE, CHLOE | Methodist Ladies College | Claremont |
| 599 | Cert of Distinction | LEE, JESSE WALTER | John Curtin College of the Arts | Fremantle |
| 600 | Cert of Distinction | LEE, KAITLAN | Perth College | Mount Lawley |