| 201 | Cheltenham Girls High School | Beecroft | Lim, Ann Nee |
| 202 | Cheltenham Girls High School | Beecroft | Nadaradjane, Anjali Amandia |
| 203 | Cherrybrook Technology High School | Cherrybrook | Collins, Sarah Kate |
| 204 | Cherrybrook Technology High School | Cherrybrook | Giang, Veronica |
| 205 | Cherrybrook Technology High School | Cherrybrook | Gunn, Michael Montagu |
| 206 | Cherrybrook Technology High School | Cherrybrook | Hendrawan, Stasia |
| 207 | Cherrybrook Technology High School | Cherrybrook | Hendrawan, Stella |
| 208 | Cherrybrook Technology High School | Cherrybrook | Hutchings, Alyssa Marie |
| 209 | Cherrybrook Technology High School | Cherrybrook | Italiano, Michael Lewis |
| 210 | Cherrybrook Technology High School | Cherrybrook | Johnson, Madeleine Rose |
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| 211 | Cherrybrook Technology High School | Cherrybrook | Le Roux, Tyler Reece |
| 212 | Cherrybrook Technology High School | Cherrybrook | Lim, Miao Yunn |
| 213 | Cherrybrook Technology High School | Cherrybrook | Nanda, Vidhi |
| 214 | Cherrybrook Technology High School | Cherrybrook | Naveed, Hassan |
| 215 | Cherrybrook Technology High School | Cherrybrook | Philip, Matthew Loyala |
| 216 | Cherrybrook Technology High School | Cherrybrook | Runde, Merle |
| 217 | Cherrybrook Technology High School | Cherrybrook | Singhal, Pragya |
| 218 | Cherrybrook Technology High School | Cherrybrook | Tam, Stanton Sui Yin |
| 219 | Cherrybrook Technology High School | Cherrybrook | Xie, Vanessa |
| 220 | Christian Brothers High School Lewisham | Lewisham | Amato, Benjamin |
| 221 | Christian Brothers High School Lewisham | Lewisham | Bezzina, Stephen |
| 222 | Christian Brothers High School Lewisham | Lewisham | Czapski, Daniel |
| 223 | Christian Brothers High School Lewisham | Lewisham | Santoro, Gabriele |
| 224 | Christian Brothers High School Lewisham | Lewisham | Touma, Louie |
| 225 | Coffs Harbour Senior College | Coffs Harbour | Lugg, Lachlan Bryant |
| 226 | Colo High School | North Richmond | Plew, Emma Britanny |
| 227 | Concord High School | Concord | Bartlett, Gillian Reid |
| 228 | Concord High School | Concord | Gi, Jeong Do |
| 229 | Concord High School | Concord | Koziollek, Matthew |
| 230 | Concord High School | Concord | Spoa, Milena |
| 231 | Concord High School | Concord | Taylor, Colin Stuart |
| 232 | Conservatorium High School | Sydney | Rasmussen, Jasper |
| 233 | Covenant Christian School | Belrose | Lawrance, Fraser |
| 234 | Covenant Christian School | Belrose | O'Callaghan, Aidan |
| 235 | Cranbrook School | Bellevue Hill | Adler, Oliver Felix |
| 236 | Cranbrook School | Bellevue Hill | Bi, Ruofan |
| 237 | Cranbrook School | Bellevue Hill | Billingham, Harvey James |
| 238 | Cranbrook School | Bellevue Hill | Corah, Marcus Jonathan |
| 239 | Cranbrook School | Bellevue Hill | Crichton-Standish, Hal William |
| 240 | Cranbrook School | Bellevue Hill | Cunio, Christopher Benjamin |
| 241 | Cranbrook School | Bellevue Hill | Fagan, Jack Edward |
| 242 | Cranbrook School | Bellevue Hill | Fang, Derrick Siyuan |
| 243 | Cranbrook School | Bellevue Hill | Hill, Thomas Kar-Chung |
| 244 | Cranbrook School | Bellevue Hill | Hugh, Eamon Dominic |
| 245 | Cranbrook School | Bellevue Hill | Liu, Ziyu |
| 246 | Cranbrook School | Bellevue Hill | Mowbray, Jack Constantine |
| 247 | Cranbrook School | Bellevue Hill | Rossi, Joseph |
| 248 | Cranbrook School | Bellevue Hill | Yang, Buqing |
| 249 | Cronulla High School | Cronulla | Ten Hoedt, Madeleine |
| 250 | Cronulla High School | Cronulla | Wylie, Alexander |