| 1 | Abbotsleigh | Wahroonga | Music Extension | Kim, Erica Ha Rin |
| 2 | Abbotsleigh | Wahroonga | Music Extension | Kim, Lindsey Minkyeong |
| 3 | Abbotsleigh | Wahroonga | Music Extension | Kwok, Christina |
| 4 | Abbotsleigh | Wahroonga | Music Extension | Lal, Katya |
| 5 | Abbotsleigh | Wahroonga | Music Extension | Mak, Amelia Tze-Lam |
| 6 | Abbotsleigh | Wahroonga | Music Extension | Stone, Arwyn Elizabeth |
| 7 | Abbotsleigh | Wahroonga | Music Extension | Trevelyan-Jones, Elinor Grace Lloyd |
| 8 | Abbotsleigh | Wahroonga | Music Extension | Vellani, Zara |
| 9 | Abbotsleigh | Wahroonga | Music Extension | Woo, Audrey Man Wai |
| 10 | Arden Anglican School Epping Campus | Epping | Music Extension | Darby, Noah Fredrick Alan |
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| 11 | Armidale Secondary College | Armidale | Music Extension | Sim, Madison |
| 12 | Ascham School | Edgecliff | Music Extension | Hill, Jamilla |
| 13 | Ascham School | Edgecliff | Music Extension | Lim, Jessica |
| 14 | Ascham School | Edgecliff | Music Extension | Lin, Alison |
| 15 | Ascham School | Edgecliff | Music Extension | Lo, Rhiannon |
| 16 | Ascham School | Edgecliff | Music Extension | Yoon, Angelina |
| 17 | Barker College | Hornsby | Music Extension | Hunt, William |
| 18 | Barker College | Hornsby | Music Extension | James, Harry |
| 19 | Barker College | Hornsby | Music Extension | Ku, Sophie |
| 20 | Barker College | Hornsby | Music Extension | Lin, Christine |
| 21 | Barker College | Hornsby | Music Extension | Pang, Louisa |
| 22 | Barker College | Hornsby | Music Extension | Smith, Aiden |
| 23 | Barker College | Hornsby | Music Extension | Yoo, David |
| 24 | Baulkham Hills High School | Baulkham Hills | Music Extension | Ahn, David |
| 25 | Baulkham Hills High School | Baulkham Hills | Music Extension | Li, Kaicheng |
| 26 | Baulkham Hills High School | Baulkham Hills | Music Extension | Lim, Emily |
| 27 | Baulkham Hills High School | Baulkham Hills | Music Extension | Moy, Elliot |
| 28 | Baulkham Hills High School | Baulkham Hills | Music Extension | Ou, Jasmine |
| 29 | Baulkham Hills High School | Baulkham Hills | Music Extension | Samarasinghe, Tarini |
| 30 | Baulkham Hills High School | Baulkham Hills | Music Extension | Seo, Elizabeth |
| 31 | Baulkham Hills High School | Baulkham Hills | Music Extension | Wei, Elin |
| 32 | Bellingen High School | Bellingen | Music Extension | Livingstone, Byron |
| 33 | Blaxland High School | Blaxland | Music Extension | Foreman, Jessica |
| 34 | Blaxland High School | Blaxland | Music Extension | Hart, Dominic |
| 35 | Brigidine College St Ives | St Ives | Music Extension | Curry, Gemma-Anne |
| 36 | Brigidine College St Ives | St Ives | Music Extension | Tran, Stephanie |
| 37 | Burwood Girls High School | Croydon | Music Extension | Hilder, Evelyn Welbourn |
| 38 | Cammeraygal High School | Crows Nest | Music Extension | Dodd, Thomas |
| 39 | Cammeraygal High School | Crows Nest | Music Extension | Tazawa-Lim, Chloe |
| 40 | Canberra Grammar School | Red Hill, ACT | Music Extension | Crafter, Matthew James |
| 41 | Canterbury Girls High School | Canterbury | Music Extension | Epps, Isabelle |
| 42 | Canterbury Girls High School | Canterbury | Music Extension | Walker, Samantha |
| 43 | Caringbah High School | Caringbah | Music Extension | Eivers, James |
| 44 | Caringbah High School | Caringbah | Music Extension | Liang, Michelle |
| 45 | Caringbah High School | Caringbah | Music Extension | Liu, Jonathan |
| 46 | Caringbah High School | Caringbah | Music Extension | Yasintus, Antonius |
| 47 | Carlingford High School | Carlingford | Music Extension | Chan, Kin Lok |
| 48 | Carlingford High School | Carlingford | Music Extension | Lam, Alvin Yiu-Huen |
| 49 | Castle Hill High School | Castle Hill | Music Extension | Lee, Hannah |
| 50 | Central Coast Grammar School | Erina Heights | Music Extension | Chen, Luyou |