This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 101 | BOORA, Somil | SA | Merit | Research Project B | |
| 102 | BOOTS, Sophie Annelise | SA | Merit | Research Project B | |
| 103 | BORRELLO, Daniela | SA | Merit | Research Project B | |
| 104 | BORRELLO, Nicholas Francesco | SA | Merit | Research Project B | |
| 105 | BOURKE, Susan | SA | Merit | Health, Recreation and the Community | |
| 106 | BOWDITCH, Heidi Louise | SA | Merit | Health | |
| 107 | BOWDITCH, Heidi Louise | SA | Merit | Research Project B | |
| 108 | BOWELL, Emilia Ljubica | SA | Merit | Physical Education | |
| 109 | BOWEN, Claire Adelaide | SA | Merit | Women's Studies | |
| 110 | BRADBURY, Jessica | SA | Merit | Research Project B | |
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| 111 | Bradford, Bella | Wilderness School | Medindie | Gov of SA SACE Award | |
| 112 | BRADFORD, Isabella Frances | SA | Merit | Drama | |
| 113 | BRADFORD, Isabella Frances | SA | Merit | English | |
| 114 | BRADFORD, Isabella Frances | SA | Merit | Society and Culture | |
| 115 | BRAZIL, Phoebe Charis Heather | SA | Merit | English | |
| 116 | BRENNAN, Gemma Rose | SA | Merit | Research Project B | |
| 117 | BRICE, Febe Sage | SA | Merit | Psychology | |
| 118 | BRICE-MARWOOD, Lily Jean | SA | Merit | Outdoor Education | |
| 119 | BRKIC, Emma | SA | Merit | English | |
| 120 | BRODERICK, William | SA | Merit | English Literary Studies | |
| 121 | BROOKS, Natalie Rose | SA | Merit | Research Project B | |
| 122 | BROWN, Evan | SA | Merit | Research Project A | |
| 123 | BROWN, Hannah | SA | Merit | Solo Performance | |
| 124 | BRUCKMANN, Jacob Alexander | SA | Merit | Essential Mathematics | |
| 125 | BRUNO, Luke Iacocca | SA | Merit | Italian (Continuers) | |
| 126 | BUGEJA, Caitlyn | SA | Merit | English | |
| 127 | BUGEJA, Caitlyn | SA | Merit | General Mathematics | |
| 128 | BULLOCK, Abbey Charlotte | SA | Merit | Health | |
| 129 | BULLOCK, Abbey Charlotte | SA | Merit | Research Project B | |
| 130 | BUNNIK, Amie Josephine | SA | Merit | Tourism | |
| 131 | BURGES, Liliana | SA | Merit | Research Project B | |
| 132 | BURNETT, Isaac | SA | Merit | English | |
| 133 | BURNETT, Isaac | SA | Merit | Geography | |
| 134 | BURNS, Alicia Eileen | SA | Merit | Communication and the Community | |
| 135 | BURNS, Darcy Thomas | SA | Merit | Research Project B | |
| 136 | BUSSETTI, Aarushi Srinath | SA | Merit | General Mathematics | |
| 137 | BUTTON, Samuel Keith Goold | SA | Merit | Research Project B | |
| 138 | BYRNE, Gabriella Marie Charlotte | SA | Merit | Workplace Practices | |
| 139 | CAMERON, Olivia Georgia | SA | Merit | Biology | |
| 140 | Camilleri, Tristan | Sacred Heart College | Somerton Park | Gov of SA SACE Award | |
| 141 | CAMILLERI, Tristan Anthony | SA | Merit | Chemistry | |
| 142 | CAMILLERI, Tristan Anthony | SA | Merit | Mathematical Methods | |
| 143 | CAMILLERI, Tristan Anthony | SA | Merit | Research Project B | |
| 144 | CANDELORO, Isabella | SA | Merit | Research Project B | |
| 145 | CANDELORO, Isabella | SA | Merit | Society and Culture | |
| 146 | CANNELL, Teisha | SA | Merit | Essential English | |
| 147 | CAPOCCIA, Sophie | SA | Merit | General Mathematics | |
| 148 | CARTER, Hannah Ruby | SA | Merit | Research Project B | |
| 149 | CARUSO, Nathan | SA | Merit | Material Products I | |
| 150 | CASANOVA CLARKE, Sophia Reine | SA | Merit | Biology | |