| Smith, Zoe Margaret | Woolgoolga High School | 15240 | 
| Smithers, Patrick James | Holy Spirit College | 15170 | 
| Smits, Rochelle | Great Lakes College, Tuncurry Senior Campus | 15030 | 
| Smydzuk, Fiona | Georges River College, Oatley Senior Campus | 15060, 15210 | 
| Smyth, Amy | Cherrybrook Technology High School | 15040, 15060, 15230, 16995 | 
| Smyth, Andrew | St Joseph's College | 15230 | 
| Smyth, Daniel Clifford | Killarney Heights High School | 15120, 15240, 15250, 15330 | 
| Smyth, Gerard Timothy | St Ignatius' College | 15110, 15140, 15160, 15170, 15190, 15380 | 
| Smyth, Paul Aaron | Blaxland High School | 15200 | 
| Smyth, Stephanie Louise | Ardlethan Central School | 15320 | 
| Smythe, Edwina Renee | Inaburra School | 15180 | 
| Snedden, Blake Amanda | Gosford High School | 15030, 15050, 15250 | 
| Snell, Krystin Lorene | Mulwaree High School | 15230, 15340 | 
| Snellenburg, Joel Keith | Sutherland Shire Christian School | 15230 | 
| Sniekers, Felicity | PLC Armidale | 15400 | 
| Snir, Gil Yosef | Killara High School | 15220 | 
| Snodgrass, Jessie | The Illawarra Grammar School | 15140, 15170, 15280, 15680, 15690 | 
| Snow, Daniel | Moriah College | 15090, 15320 | 
| Snowden, David | St Gregory's College | 15230, 15290, 15400 | 
| So, Ellissa | St Ursula's College | 15040, 15220, 15370 | 
| So, Eric | Cherrybrook Technology High School | 15400 | 
| So, Gary Ho Hin | Sydney Boys High School | 15240 | 
| So, Leah | Penrith High School | 15250 | 
| So, Lillian Emmy | James Ruse Agricultural High School | 15300, 15310 | 
| So, Nathan | Sydney Grammar School | 15030, 15140, 15160, 15170, 15250, 15330 | 
| So, Regina | Pymble Ladies' College | 15140, 15250 | 
| So, Sarah | Baulkham Hills High School | 15030, 15140, 15160, 15170, 15250 | 
| So, Stephen | Newington College | 15240, 15250 | 
| So, Tracy Yook Ting | Prairiewood Languages High School | 15250 | 
| So, Yandy Chi-Yan | Hornsby Girls High School | 15140, 15240, 15250, 15270, 15320 | 
| Sobkowski, Daniel | Freeman Catholic College | 15200 | 
| Soesanto, Claresta | Our Lady of The Sacred Heart College | 15110, 15140, 15250, 15260, 15370, 15830 | 
| Soesanto, Clarissa | Our Lady of The Sacred Heart College | 15110, 15250, 15370 | 
| Soetanto, Arwin Soenaryo | St Ignatius' College | 15240 | 
| Sofaer, Joseph | Moriah College | 15240 | 
| Sofatzis, Thomas | All Saints Greek Orthodox Grammar School | 15050, 15580 | 
| Soh, Jeremy Jun Jie | Normanhurst Boys High School | 15250, 15260, 15330 | 
| Sohier, Chanel Lyndall Marie | Lisarow High School | 15400 | 
| Sohn, Young-Jae Jeff | Canberra Grammar School | 15240, 15250 | 
| Solar-March, Sascha | Reddam House (Bondi Campus) | 15090, 15170, 15400 | 
| Soliman, Mina | The Hills Grammar School | 15250, 15260 | 
| Solomon, Caroline Jane | Kincoppal - Rose Bay School of the Sacred Heart | 15090 | 
| Solomon, Deborah | Rose Bay Secondary College | 15030, 15040, 15250, 15270 |