This report shows the 2021 top students in each HSC subject, along with their ranking as assigned by the NSW Education Standards Authority.
Rankings are calculated from student HSC marks in the subject, or, where this results in a tie, from the average of the students' examination and assessment marks.
Students must achieve a band 6 or band E4 result in the relevant subject to appear in this list.
The number of top achievers reported varies from 5 to 20, according to the number of candidates taking each subject.
| 151 | Classical Greek Extension | Mesimeris, Isander | 1 | Sydney Grammar School | Darlinghurst |
| 152 | Classical Greek Extension | Huynh, Justin | 2 | Sydney Grammar School | Darlinghurst |
| 153 | Classical Greek Extension | Reed-Stephenson, Patrick | 3 | Sydney Grammar School | Darlinghurst |
| 154 | Classical Greek Extension | Tang, Albert | 4 | Sydney Grammar School | Darlinghurst |
| 155 | Classical Greek Extension | O'Brien, Finn Michael | 5 | St Ignatius College | Lane Cove |
| 156 | Classical Hebrew Continuers | Spielman, Shoshana | 1 | Kesser Torah College | Dover Heights |
| 157 | Classical Hebrew Continuers | Groner, Schneur Chaim | 2 | Kesser Torah College | Dover Heights |
| 158 | Classical Hebrew Continuers | Joshua, Noah | 3 | Moriah College | Queens Park |
| 159 | Classical Hebrew Continuers | Feldman, Fraida | 4 | Kesser Torah College | Dover Heights |
| 160 | Classical Hebrew Continuers | Gestetner, Yakov | 5 | Kesser Torah College | Dover Heights |
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| 161 | Classical Hebrew Extension | Spielman, Shoshana | 1 | Kesser Torah College | Dover Heights |
| 162 | Classical Hebrew Extension | Groner, Schneur Chaim | 2 | Kesser Torah College | Dover Heights |
| 163 | Classical Hebrew Extension | Gestetner, Yakov | 3 | Kesser Torah College | Dover Heights |
| 164 | Classical Hebrew Extension | Eisenberg, Shira | 4 | Kesser Torah College | Dover Heights |
| 165 | Classical Hebrew Extension | Feldman, Fraida | 5 | Kesser Torah College | Dover Heights |
| 166 | Community and Family Studies | Alameddine, Daania | 1 | Fairvale High School | Fairfield West |
| 167 | Community and Family Studies | Dagger, Abbi | 2 | St John Paul College | Coffs Harbour |
| 168 | Community and Family Studies | Stewart, Charlotte | 3 | Ravenswood School for Girls | Gordon |
| 169 | Community and Family Studies | Venkatesh, Anoushka | 4 | Blacktown Girls High School | Blacktown |
| 170 | Community and Family Studies | Gidley, Ava | 5 | St Francis Xaviers College | Hamilton |
| 171 | Community and Family Studies | Syed Zaidi, Mohammad | 5 | Patrician Brothers College Blacktown | Blacktown |
| 172 | Community and Family Studies | Tran, Diane | 5 | Mary MacKillop College | Wakeley |
| 173 | Community and Family Studies | Heyse, Anouck | 8 | Stella Maris College | Manly |
| 174 | Community and Family Studies | Lenertz, Gemma | 8 | Aquinas College | Menai |
| 175 | Community and Family Studies | White, Lillian Ruth | 8 | Crestwood High School | Baulkham Hills |
| 176 | Construction Examination | Khattar, Tony | 1 | Clancy Catholic College | West Hoxton |
| 177 | Construction Examination | Wells, Oliver | 1 | Aquinas College | Menai |
| 178 | Construction Examination | Wilson, Brock | 1 | Aquinas College | Menai |
| 179 | Construction Examination | Wysman, Jordan | 1 | Northern Sydney Institute Northern Beaches Campus | Brookvale |
| 180 | Construction Examination | Filer, Harlam | 5 | Emmaus Catholic College | Kemps Creek |
| 181 | Construction Examination | Scott, Angus | 6 | Northern Sydney Institute Northern Beaches Campus | Brookvale |
| 182 | Construction Examination | Porteus, Krystal | 7 | All Saints College St Marys Campus | Maitland |
| 183 | Construction Examination | Azzi, Charbel | 8 | Clancy Catholic College | West Hoxton |
| 184 | Construction Examination | Bates, Rebekah | 9 | Bowral High School | Bowral |
| 185 | Construction Examination | Luckett, Joe | 9 | Dubbo School of Distance Education | Dubbo |
| 186 | Construction Examination | Oram, Will | 9 | St Columba Anglican School | Port Macquarie |
| 187 | Croatian Continuers | Abicic, Marta | 1 | Secondary College of Languages Liverpool Boys Campus | Liverpool |
| 188 | Dance | Kinnear, Isobel | 1 | The Illawarra Grammar School | Wollongong |
| 189 | Dance | Machet, Talia Aviva | 1 | Reddam House Bondi Campus | North Bondi |
| 190 | Dance | Greuter, Hanako | 3 | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale |
| 191 | Dance | Buson, Megan | 4 | Pymble Ladies College | Pymble |
| 192 | Dance | Monahan, Heidi | 5 | Northern Beaches Secondary College Mackellar Girls Campus | Manly Vale |
| 193 | Design and Technology | Carter, Lucrecia | 1 | St Benedicts Catholic College | Oran Park |
| 194 | Design and Technology | Lumby, Zoe | 1 | St Lukes Grammar School | Dee Why |
| 195 | Design and Technology | Cornford, Samantha | 3 | Warners Bay High School | Warners Bay |
| 196 | Design and Technology | McInerney-Wand, Jemma | 3 | Caringbah High School | Caringbah |
| 197 | Design and Technology | Dengate, Joshua | 5 | Gilroy Catholic College | Castle Hill |
| 198 | Design and Technology | Roshka, Johanna | 5 | Liverpool Girls High School | Liverpool |
| 199 | Design and Technology | Stillitano, Frank | 5 | Magdalene Catholic College | Narellan |
| 200 | Design and Technology | Walsh, Jessica | 5 | Bradfield College | St Leonards |