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.
| 2901 | Cert of Merit | NOT FOR PUBLICATION | Willetton Senior High School | Willetton |
| 2902 | Cert of Merit | NUHA, NABILA NASHED | Rossmoyne Senior High School | Rossmoyne |
| 2903 | Cert of Merit | O'BRIEN, CHLOE | Nagle Catholic College | Geraldton |
| 2904 | Cert of Merit | O'BRIEN, COOPER | Irene Mccormack Catholic College | Butler |
| 2905 | Cert of Merit | O'BRIEN, HOLLY FRANCES | Churchlands Senior High School | Churchlands |
| 2906 | Cert of Merit | O'BRIEN, JOSHUA | Christ Church Grammar School | Claremont |
| 2907 | Cert of Merit | O'BRIEN, PRESLEY | Corpus Christi College | Bateman |
| 2908 | Cert of Merit | O'CALLAGHAN, FINN | Christ Church Grammar School | Claremont |
| 2909 | Cert of Merit | O'CONNOR, BRYCE CHARLES | Rossmoyne Senior High School | Rossmoyne |
| 2910 | Cert of Merit | O'CONNOR, DANIEL | Newman College | Churchlands |
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| 2911 | Cert of Merit | O'DEA, JOSHUA | Scotch College | Swanbourne |
| 2912 | Cert of Merit | O'GRADY, MADDISYN | Santa Maria College | Attadale |
| 2913 | Cert of Merit | O'HALLORAN, KELI | Guildford Grammar School | Guildford |
| 2914 | Cert of Merit | O'HARA, KATE | Mercedes College | Perth |
| 2915 | Cert of Merit | O'LEARY, DOMINIC | Churchlands Senior High School | Churchlands |
| 2916 | Cert of Merit | O'LEARY, LUCAS | Hale School | Wembley Downs |
| 2917 | Cert of Merit | O'MAHONY, ERIN | Mindarie Senior College | Mindarie |
| 2918 | Cert of Merit | O'MALLEY, BRENDAN HAFIDZ | Joseph Banks Secondary College | Banksia Grove |
| 2919 | Cert of Merit | O'MEARA, AMELIA | Iona Presentation College | Mosman Park |
| 2920 | Cert of Merit | O'NEILL, LIAM JOSEPH | Joseph Banks Secondary College | Banksia Grove |
| 2921 | Cert of Merit | O'REILLY, HOLLY | Lake Joondalup Baptist College | Joondalup |
| 2922 | Cert of Merit | OAKES, EMILY OLIVIA | Manea Senior College | Bunbury |
| 2923 | Cert of Merit | OAKES, MATTHEW | Como Secondary College | Como |
| 2924 | Cert of Merit | OATES, HARRISON | John XXIII College | Mount Claremont |
| 2925 | Cert of Merit | OATES-LUNN, JOSHUA | Lake Joondalup Baptist College | Joondalup |
| 2926 | Cert of Merit | OCAMPO, ROSHIELLE RAE NAYVE | Sevenoaks Senior College | Cannington |
| 2927 | Cert of Merit | OFFER, CLANCY | Presbyterian Ladies College | Peppermint Grove |
| 2928 | Cert of Merit | OGWU, ISIOMA | Santa Maria College | Attadale |
| 2929 | Cert of Merit | OHASHI UCHINO, MAX MUSASHI | Applecross Senior High School | Ardross |
| 2930 | Cert of Merit | OKILL, CONNOR | Hale School | Wembley Downs |
| 2931 | Cert of Merit | OKON, AGATHA | Ashdale Secondary College | Darch |
| 2932 | Cert of Merit | OLDENBURGER, SEAN | John Calvin Christian College | Armadale |
| 2933 | Cert of Merit | OLDFIELD, EMILY | John Septimus Roe Anglican Community School | Mirrabooka |
| 2934 | Cert of Merit | OLIVER, DANIEL IAN | Duncraig Senior High School | Duncraig |
| 2935 | Cert of Merit | OLNEY, ISABELLE | Seton Catholic College | Samson |
| 2936 | Cert of Merit | ONG, CHRISTINA SIEW TENG | Rossmoyne Senior High School | Rossmoyne |
| 2937 | Cert of Merit | ONG, EVELYN NHU | Applecross Senior High School | Ardross |
| 2938 | Cert of Merit | ONG, NATASHA SZE YING | Kent Street Senior High School | Kensington |
| 2939 | Cert of Merit | ONG, ZHAO XIN | Perth Modern School | Subiaco |
| 2940 | Cert of Merit | OPIE, KYE | Hale School | Wembley Downs |
| 2941 | Cert of Merit | ORANGE, REUBEN | Mercy College | Koondoola |
| 2942 | Cert of Merit | ORD, TALIAH | Ashdale Secondary College | Darch |
| 2943 | Cert of Merit | OSBOURNE, DARCY JAMES | Shenton College | Shenton Park |
| 2944 | Cert of Merit | OSWALD, ALI | St Marys Anglican Girls School | Karrinyup |
| 2945 | Cert of Merit | OTTLEY, SOPHIE | Iona Presentation College | Mosman Park |
| 2946 | Cert of Merit | OTTOBRINO, LUKE | Trinity College | East Perth |
| 2947 | Cert of Merit | OU YANG, ELI | Mount Lawley Senior High School | Mount Lawley |
| 2948 | Cert of Merit | OUDIN, MARCUS | Kennedy Baptist College | Murdoch |
| 2949 | Cert of Merit | OUTRAM, MARCUS | Guildford Grammar School | Guildford |
| 2950 | Cert of Merit | OVERINGTON, FALLON | St Marys Anglican Girls School | Karrinyup |