| 151 | St Johns College | ? | Economics | 1 |
| 152 | St Josephs College | ? | Economics | 3 |
| 153 | St Leos Catholic College | Wahroonga | Economics | 4 |
| 154 | St Lukes Grammar School | Dee Why | Economics | 3 |
| 155 | St Mary Star of the Sea College | Wollongong | Economics | 5 |
| 156 | St Marys Senior High School | St Marys | Economics | 3 |
| 157 | St Patricks College Strathfield | Strathfield | Economics | 3 |
| 158 | St Pauls International College | Moss Vale | Economics | 3 |
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| 159 | St Philips Christian College Port Stephens | Salamander Bay | Economics | 2 |
| 160 | St Pius X College | Chatswood | Economics | 1 |
| 161 | St Scholasticas College Glebe Point | Glebe Point | Economics | 1 |
| 162 | St Spyridon College Senior School | Maroubra | Economics | 3 |
| 163 | St Stanislaus College | Bathurst | Economics | 1 |
| 164 | St Ursulas College | Kingsgrove | Economics | 1 |
| 165 | St Vincents College | Potts Point | Economics | 3 |
| 166 | Stella Maris College | Manly | Economics | 1 |
| 167 | Strathfield Girls High School | Strathfield | Economics | 6 |
| 168 | Sule College Prestons | Prestons | Economics | 3 |
| 169 | Sydney Boys High School | Moore Park | Economics | 13 |
| 170 | Sydney Girls High School | Surry Hills | Economics | 21 |
| 171 | Sydney Grammar School | Darlinghurst | Economics | 24 |
| 172 | Sydney Institute Ultimo Campus | Ultimo | Economics | 1 |
| 173 | Sydney Secondary College Blackwattle Bay Campus | Glebe | Economics | 3 |
| 174 | Sydney Technical High School | Bexley | Economics | 7 |
| 175 | Tara Anglican School for Girls | North Parramatta | Economics | 1 |
| 176 | Taylors College | Waterloo | Economics | 1 |
| 177 | The Illawarra Grammar School | Wollongong | Economics | 4 |
| 178 | The Kings School | North Parramatta | Economics | 9 |
| 179 | The Scots College | Bellevue Hill | Economics | 9 |
| 180 | Trinity Catholic College Auburn Campus | Auburn | Economics | 1 |
| 181 | Trinity Grammar School | Summer Hill | Economics | 10 |
| 182 | Turramurra High School | South Turramurra | Economics | 1 |
| 183 | Wade High School | Griffith | Economics | 2 |
| 184 | Warners Bay High School | Warners Bay | Economics | 2 |
| 185 | Waverley College | Waverley | Economics | 1 |
| 186 | Wenona School | North Sydney | Economics | 3 |
| 187 | Westfields Sports High School | Fairfield West | Economics | 4 |
| 188 | Willoughby Girls High School | Willoughby | Economics | 1 |
| 189 | Woolooware High School | Woolooware | Economics | 1 |
| 190 | Wyndham College | Quakers Hill | Economics | 2 |