This report lists the winners of Subject Certificate of Excellence awards (formerly Certificate of Distinction awards) in 2012, 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 Distinction | DAPLIN, MARIANNE ABENDAN | Morley Senior High School | Noranda |
| 2 | Accounting and Finance | Subject Cert of Distinction | MOK, VING | Rossmoyne Senior High School | Rossmoyne |
| 3 | Accounting and Finance | Subject Cert of Distinction | OLMA, BRODIE ALEXANDER | Hale School | Wembley Downs |
| 4 | Accounting and Finance | Subject Cert of Distinction | SULLIVAN, LILY DANA | Frederick Irwin Anglican School | Mandurah |
| 5 | Accounting and Finance | Subject Cert of Distinction | TING, JODDY SU | Leeming Senior High School | Leeming |
| 6 | Ancient History | Subject Cert of Distinction | CARTER, MAXIMILIAN EDWARD | Perth Modern School | Subiaco |
| 7 | Ancient History | Subject Cert of Distinction | SCHRAUTH, MADELEINE EMILY | Methodist Ladies College | Claremont |
| 8 | Applied Information Technology | Subject Cert of Distinction | COVENTRY, DANIEL ALEXANDER | Kingsway Christian College | Darch |
| 9 | Applied Information Technology | Subject Cert of Distinction | JEYARAJ, REUBEN SUNIL | Kingsway Christian College | Darch |
| 10 | Applied Information Technology | Subject Cert of Distinction | LOE, ALEX RAYMOND | Perth Modern School | Subiaco |
| 11 | Applied Information Technology | Subject Cert of Distinction | STRAUSS, DARREN | Peter Moyes Anglican Community School | Quinns Rocks |
| 12 | Biological Sciences | Special Subject Cert of Distinction | ALSOP, SAMUEL JACOB | Frederick Irwin Anglican School | Mandurah |
| 13 | Biological Sciences | Special Subject Cert of Distinction | TEO, JIA TIAN | Winthrop Baptist College | Booragoon |
| 14 | Biological Sciences | Subject Cert of Distinction | BOUGHER, HANNAH BRANDENBURG | Presbyterian Ladies College | Peppermint Grove |
| 15 | Biological Sciences | Subject Cert of Distinction | DE VRIES, MONIQUE TINEKE | All Saints College | Willetton |
| 16 | Biological Sciences | Subject Cert of Distinction | ELLIS, MEGAN SU-YIN | Methodist Ladies College | Claremont |
| 17 | Biological Sciences | Subject Cert of Distinction | HOFFMANN, NATALIE JANETTE | Methodist Ladies College | Claremont |
| 18 | Biological Sciences | Subject Cert of Distinction | KELLY, ANNA KATE | Penrhos College | Como |
| 19 | Biological Sciences | Subject Cert of Distinction | MCDOWELL, ROSE ISABELLA | Methodist Ladies College | Claremont |
| 20 | Business Management and Enterprise | Subject Cert of Distinction | BLOTT, MITCHELL ROSS | Guildford Grammar School | Guildford |
| 21 | Business Management and Enterprise | Subject Cert of Distinction | WOOD, JACKSON JOHN | Guildford Grammar School | Guildford |
| 22 | Career and Enterprise | Subject Cert of Distinction | TOMLIN, GEORGIA ANNE | Lake Joondalup Baptist College | Joondalup |
| 23 | Career and Enterprise | Subject Cert of Distinction | YOUSSEF, DOHA KHALID | Rossmoyne Senior High School | Rossmoyne |
| 24 | Chemistry | Subject Cert of Distinction | ARCHER, AIDAN JAMES | Scotch College | Claremont |
| 25 | Chemistry | Subject Cert of Distinction | BANERJEE, SHILADITYA | Perth Modern School | Subiaco |