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.
| 401 | Cert of Distinction | HAGON, LUCY | St Hildas Anglican School for Girls | Mosman Park |
| 402 | Cert of Distinction | HAINES, MADELEINE | Santa Maria College | Attadale |
| 403 | Cert of Distinction | HAINES, STEPHANIE | Santa Maria College | Attadale |
| 404 | Cert of Distinction | HALEY, YASMYN ALLYCE | Bullsbrook College | Bullsbrook |
| 405 | Cert of Distinction | HALL, JUSTYN | South Coast Baptist College | Waikiki |
| 406 | Cert of Distinction | HALTON, SARAH MAY | Hampton Senior High School | Morley |
| 407 | Cert of Distinction | HAM, TAEYOUNG | Como Secondary College | Como |
| 408 | Cert of Distinction | HAMILTON, RUBY MAE | Shenton College | Shenton Park |
| 409 | Cert of Distinction | HAMMOND MCKENZIE, SHANNON KATHERINE | Duncraig Senior High School | Duncraig |
| 410 | Cert of Distinction | HAMMOND, ADAM HOWARD | Perth Modern School | Subiaco |
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| 411 | Cert of Distinction | HANDLEY, MARCUS | Christ Church Grammar School | Claremont |
| 412 | Cert of Distinction | HANDY, ETHAN | Lake Joondalup Baptist College | Joondalup |
| 413 | Cert of Distinction | HANSEN, ELLABY | St Brigids College | Lesmurdie |
| 414 | Cert of Distinction | HARCOURT-COOKE, CHRISTINE | Presbyterian Ladies College | Peppermint Grove |
| 415 | Cert of Distinction | HARNETT, MIDAIAH ANTONIA | Perth Modern School | Subiaco |
| 416 | Cert of Distinction | HARPER, TIARA JANE | Ashdale Secondary College | Darch |
| 417 | Cert of Distinction | HARRINGTON, STEPHANIE | St Hildas Anglican School for Girls | Mosman Park |
| 418 | Cert of Distinction | HARRIS, TAYLOR | Penrhos College | Como |
| 419 | Cert of Distinction | HARRISON, CHLOE | St Stephens School Duncraig | Duncraig |
| 420 | Cert of Distinction | HART, DARA | Prendiville Catholic College | Ocean Reef |
| 421 | Cert of Distinction | HARTONO, JONATHAN RENALDO | Rossmoyne Senior High School | Rossmoyne |
| 422 | Cert of Distinction | HARVEY, CHARIS | St Stephens School Duncraig | Duncraig |
| 423 | Cert of Distinction | HASSAN, AHMED ABRAR | Rossmoyne Senior High School | Rossmoyne |
| 424 | Cert of Distinction | HASSETT, LILY GARDINER | Shenton College | Shenton Park |
| 425 | Cert of Distinction | HATZON, MICHAEL TERRY | Mount Lawley Senior High School | Mount Lawley |
| 426 | Cert of Distinction | HAWES, KATELIN | Perth College | Mount Lawley |
| 427 | Cert of Distinction | HAWTREE, SYRAH | Kennedy Baptist College | Murdoch |
| 428 | Cert of Distinction | HAYS, JOSEPH ALEXANDER | Perth Modern School | Subiaco |
| 429 | Cert of Distinction | HAYTER OTAOLA, ULANI INGRID | Broome Senior High School | Broome |
| 430 | Cert of Distinction | HE, EMMA | Churchlands Senior High School | Churchlands |
| 431 | Cert of Distinction | HE, JESSIE | Methodist Ladies College | Claremont |
| 432 | Cert of Distinction | HEALY, ANNA | Penrhos College | Como |
| 433 | Cert of Distinction | HEARLE, SARAH | Great Southern Grammar School | Kalgan |
| 434 | Cert of Distinction | HEBITON, KEELY | Santa Maria College | Attadale |
| 435 | Cert of Distinction | HEDLEY, SOPHIE | All Saints College | Bull Creek |
| 436 | Cert of Distinction | HELLEWELL, WILLIAM | Scotch College | Swanbourne |
| 437 | Cert of Distinction | HEMERY, LEWIS | Hale School | Wembley Downs |
| 438 | Cert of Distinction | HENBURY, SARAH | Mercedes College | Perth |
| 439 | Cert of Distinction | HENDRY, CHARLOTTE | Iona Presentation College | Mosman Park |
| 440 | Cert of Distinction | HENNESSY, GENEVIEVE | Methodist Ladies College | Claremont |
| 441 | Cert of Distinction | HENSLEY, JASMINE AMBER | Mount Lawley Senior High School | Mount Lawley |
| 442 | Cert of Distinction | HENTHORN, CLAIRE | Methodist Ladies College | Claremont |
| 443 | Cert of Distinction | HEWLETT, CALEB | La Salle College | Middle Swan |
| 444 | Cert of Distinction | HEWSON, RORY | John XXIII College | Mount Claremont |
| 445 | Cert of Distinction | HEYNING, COEN | Christ Church Grammar School | Claremont |
| 446 | Cert of Distinction | HEYWARD, LANIKAI | St Hildas Anglican School for Girls | Mosman Park |
| 447 | Cert of Distinction | HICK, MATTHEW | Hale School | Wembley Downs |
| 448 | Cert of Distinction | HICKMAN, NIAMH ADELAIDE | Manjimup Senior High School | Manjimup |
| 449 | Cert of Distinction | HILL ALMEIDA, DANIEL | Churchlands Senior High School | Churchlands |
| 450 | Cert of Distinction | HILL, SARAH | Presbyterian Ladies College | Peppermint Grove |