This report lists the winners of Subject Certificate of Excellence awards (formerly Certificate of Distinction awards) in 2019, along with the school that they attended.
These awards are granted by the School Curriculum and Standards Authority to the top 0.5% of students in each tertiary entrance subject based on their examination marks.
Special Subject Certificates of Excellence may be awarded to a student who is ineligible for a Subject Certificate of Excellence but who has otherwise satisfied all other requirements for the award.
| 1 | Accounting and Finance | Subject Cert of Excellence | ANNADURAI, AAKASH | Perth Modern School | Subiaco |
| 2 | Accounting and Finance | Subject Cert of Excellence | BECKWITH, WILLIAM | Hale School | Wembley Downs |
| 3 | Accounting and Finance | Subject Cert of Excellence | BYL, KATELYN | John Calvin Christian College | Armadale |
| 4 | Accounting and Finance | Subject Cert of Excellence | PAGANIN, RICHARD | Christ Church Grammar School | Claremont |
| 5 | Accounting and Finance | Subject Cert of Excellence | SNG, ALEX YI LOONG | Rossmoyne Senior High School | Rossmoyne |
| 6 | Accounting and Finance | Subject Cert of Excellence | TEH, CRYSTAL YU CHEN | Willetton Senior High School | Willetton |
| 7 | Ancient History | Subject Cert of Excellence | LAW, CHRISTOPHER | Christ Church Grammar School | Claremont |
| 8 | Ancient History | Subject Cert of Excellence | ROBERTSON, KATE ELISE | Perth Modern School | Subiaco |
| 9 | Applied Information Technology | Subject Cert of Excellence | HUYNH, JACQUELINE | Como Secondary College | Como |
| 10 | Applied Information Technology | Subject Cert of Excellence | LONG, RHEANNE | St Marys Anglican Girls School | Karrinyup |
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| 11 | Biology | Subject Cert of Excellence | CONNOLLY, SIOBHAN | Methodist Ladies College | Claremont |
| 12 | Biology | Subject Cert of Excellence | HOOPER, KATRINA MEGAN | Perth Modern School | Subiaco |
| 13 | Biology | Subject Cert of Excellence | JUREC, OSKAR MAREK | Perth Modern School | Subiaco |
| 14 | Biology | Subject Cert of Excellence | MICHALEK, DOMINIKA | Perth College | Mount Lawley |
| 15 | Biology | Subject Cert of Excellence | MURALI, ADITI | Perth Modern School | Subiaco |
| 16 | Biology | Subject Cert of Excellence | PASTORINO, ELLA | St Hildas Anglican School for Girls | Mosman Park |
| 17 | Biology | Subject Cert of Excellence | SETTERFIELD, ASHLEY DOUGLAS | Shenton College | Shenton Park |
| 18 | Biology | Subject Cert of Excellence | TEBBIT, RACHEL | Kennedy Baptist College | Murdoch |
| 19 | Business Management and Enterprise | Special Subject Cert of Excellence | LEONG JIA YUN, JESSICA | Sunway College | Malaysia |
| 20 | Business Management and Enterprise | Subject Cert of Excellence | HATTERSLEY, CHILLI | St Marys Anglican Girls School | Karrinyup |
| 21 | Business Management and Enterprise | Subject Cert of Excellence | SMITH, STUART | Wesley College | South Perth |
| 22 | Business Management and Enterprise | Subject Cert of Excellence | VANDERZWAN, BRADLEY MICHAEL | Thornlie Senior High School | Thornlie |
| 23 | Career and Enterprise | Subject Cert of Excellence | ABDULLATIF, MARIAM ELMOHANNED | Rossmoyne Senior High School | Rossmoyne |
| 24 | Career and Enterprise | Subject Cert of Excellence | MAHABADI, KASRA | Rossmoyne Senior High School | Rossmoyne |
| 25 | Chemistry | Special Subject Cert of Excellence | LER, LEE YONG | Sunway College | Malaysia |
| 26 | Chemistry | Special Subject Cert of Excellence | WANG, HONGSHU | Shenton College | Shenton Park |
| 27 | Chemistry | Subject Cert of Excellence | DAVISON-PETCH, BENJAMIN | Christ Church Grammar School | Claremont |
| 28 | Chemistry | Subject Cert of Excellence | DIAS ABEYAGUNAWARDENE, SHEVANKA | All Saints College | Bull Creek |
| 29 | Chemistry | Subject Cert of Excellence | GHANTALA, HITA NILESH | Rossmoyne Senior High School | Rossmoyne |
| 30 | Chemistry | Subject Cert of Excellence | HOBAN-FAIRFIELD, INDIGO | St Marys Anglican Girls School | Karrinyup |
| 31 | Chemistry | Subject Cert of Excellence | JARRETT, LUCY | Presbyterian Ladies College | Peppermint Grove |
| 32 | Chemistry | Subject Cert of Excellence | JEYARAJAN, DEEPAK RAJAN | Perth Modern School | Subiaco |
| 33 | Chemistry | Subject Cert of Excellence | JIANG, SINENG | All Saints College | Bull Creek |
| 34 | Chemistry | Subject Cert of Excellence | LI, IRIS MOHAN | Rossmoyne Senior High School | Rossmoyne |
| 35 | Chemistry | Subject Cert of Excellence | MARLOW, TYLER | Thornlie Christian College | Southern River |
| 36 | Chemistry | Subject Cert of Excellence | MCDONALD, LACHLAN JOHN | Perth Modern School | Subiaco |
| 37 | Chemistry | Subject Cert of Excellence | MURALI, ADITI | Perth Modern School | Subiaco |
| 38 | Chemistry | Subject Cert of Excellence | NHEU, BERTRAND LUCIAN | Perth Modern School | Subiaco |
| 39 | Chemistry | Subject Cert of Excellence | RANASINGHE, HASINDI CHITARA | Perth Modern School | Subiaco |
| 40 | Chemistry | Subject Cert of Excellence | RASTEGAR LARI, PARSA | Perth Modern School | Subiaco |
| 41 | Chemistry | Subject Cert of Excellence | SCHULZ, GEORGE | Christ Church Grammar School | Claremont |
| 42 | Chemistry | Subject Cert of Excellence | SHANNON, MAX | Christ Church Grammar School | Claremont |
| 43 | Chemistry | Subject Cert of Excellence | SINGLETON, CHARLOTTE | Methodist Ladies College | Claremont |
| 44 | Chemistry | Subject Cert of Excellence | TRAN, DATHAN | Servite College | Tuart Hill |
| 45 | Chemistry | Subject Cert of Excellence | TRIGLAVCANIN, LUCAS | Scotch College | Swanbourne |
| 46 | Chemistry | Subject Cert of Excellence | WIMALARATHNE, NETHMA SAVINDI | Perth Modern School | Subiaco |
| 47 | Children, Family and the Community | Subject Cert of Excellence | BENSUSAN, TALIA | Sacred Heart College | Sorrento |
| 48 | Children, Family and the Community | Subject Cert of Excellence | MCKAY, FAITH | Mater Dei College | Edgewater |
| 49 | Computer Science | Subject Cert of Excellence | DOWLEY, ETHAN QUINN | Perth Modern School | Subiaco |
| 50 | Computer Science | Subject Cert of Excellence | GREEN, JOSH | Christ Church Grammar School | Claremont |