This report lists the winners of Certificates of Distinction and Certificates of Merit for 2015, 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.
| 1 | Cert of Commendation | ABRAHAMS, LAUREN | Penrhos College | Como |
| 2 | Cert of Commendation | ADESANYA, OLUWATOMISIN | St Hildas Anglican School for Girls | Mosman Park |
| 3 | Cert of Commendation | AKELLA, NAINA | St Hildas Anglican School for Girls | Mosman Park |
| 4 | Cert of Commendation | ALBANY, MICHAEL | Scotch College | Claremont |
| 5 | Cert of Commendation | ALBERGHINI, ANABELLE | Methodist Ladies College | Claremont |
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| 6 | Cert of Commendation | ALBERTSEN, KIERA | Bunbury Catholic College | Bunbury |
| 7 | Cert of Commendation | ALECSA, RADU TEODOR | Shenton College | Shenton Park |
| 8 | Cert of Commendation | ALEXANDER, MATTHEW | Mazenod College | Lesmurdie |
| 9 | Cert of Commendation | ALEXANDER, SHANAE | Churchlands Senior High School | Churchlands |
| 10 | Cert of Commendation | ALI, SHADAB SYED | Leeming Senior High School | Leeming |
| 11 | Cert of Commendation | ALLAN, ALEXANDRA MARY | Shenton College | Shenton Park |
| 12 | Cert of Commendation | ALLAN, GEORGINA ANNE | Shenton College | Shenton Park |
| 13 | Cert of Commendation | AMAT, FARAH | Dianella Secondary College | Dianella |
| 14 | Cert of Commendation | AMOS BENTON, BIANCA SHENAE | Collie Senior High School | Collie |
| 15 | Cert of Commendation | ANDERLE, EDOARDO | Bunbury Cathedral Grammar School | Bunbury |
| 16 | Cert of Commendation | ANDERSON, EMILY | Santa Maria College | Melville |
| 17 | Cert of Commendation | ANDERSON, MICHAEL | Emmanuel Catholic College | Success |
| 18 | Cert of Commendation | ANDERSON, VANESSA | St Hildas Anglican School for Girls | Mosman Park |
| 19 | Cert of Commendation | ANG, DEWI OPFILIA | Christmas Is District High School | Christmas Island |
| 20 | Cert of Commendation | ANTENUCCI, SKYE MOLLIE | John Tonkin College | Mandurah |
| 21 | Cert of Commendation | ARAI, HANA | John Curtin College of the Arts | Fremantle |
| 22 | Cert of Commendation | ARCUS, JAMES WILLIAM | Perth Modern School | Subiaco |
| 23 | Cert of Commendation | ARMSTRONG, TANIKA | Bunbury Cathedral Grammar School | Bunbury |
| 24 | Cert of Commendation | ARRANTASH, MICHAEL JOHN | Lesmurdie Senior High School | Lesmurdie |
| 25 | Cert of Commendation | ASHISH, ANSHULA | St Lukes College | Karratha |