This report shows the total number of HSC Distinguished Achiever awards won by students in each subject at each school during 2023.
| 1 | Killara High School | Killara | Mathematics Advanced | 43 |
| 2 | Killara High School | Killara | Mathematics Extension 1 | 29 |
| 3 | Killara High School | Killara | English Advanced | 22 |
| 4 | Killara High School | Killara | Chemistry | 18 |
| 5 | Killara High School | Killara | Mathematics Standard 2 | 15 |
| 6 | Killara High School | Killara | Mathematics Extension 2 | 14 |
| 7 | Killara High School | Killara | Community and Family Studies | 13 |
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| 8 | Killara High School | Killara | Biology | 10 |
| 9 | Killara High School | Killara | English Extension 1 | 10 |
| 10 | Killara High School | Killara | Industrial Technology | 10 |
| 11 | Killara High School | Killara | Society and Culture | 10 |
| 12 | Killara High School | Killara | Legal Studies | 9 |
| 13 | Killara High School | Killara | Physics | 9 |
| 14 | Killara High School | Killara | Visual Arts | 8 |
| 15 | Killara High School | Killara | Modern History | 7 |
| 16 | Killara High School | Killara | Ancient History | 6 |
| 17 | Killara High School | Killara | Personal Development, Health and Physical Education | 6 |
| 18 | Killara High School | Killara | Music 2 | 4 |
| 19 | Killara High School | Killara | Aboriginal Studies | 3 |
| 20 | Killara High School | Killara | English Extension 2 | 3 |
| 21 | Killara High School | Killara | Food Technology | 3 |
| 22 | Killara High School | Killara | Music 1 | 3 |
| 23 | Killara High School | Killara | Music Extension | 3 |
| 24 | Killara High School | Killara | Business Studies | 2 |
| 25 | Killara High School | Killara | Design and Technology | 2 |
| 26 | Killara High School | Killara | Engineering Studies | 2 |
| 27 | Killara High School | Killara | Geography | 2 |
| 28 | Killara High School | Killara | History Extension | 2 |
| 29 | Killara High School | Killara | Korean and Literature | 2 |
| 30 | Killara High School | Killara | Chinese and Literature | 1 |
| 31 | Killara High School | Killara | Chinese Beginners | 1 |
| 32 | Killara High School | Killara | Chinese Extension | 1 |
| 33 | Killara High School | Killara | English Standard | 1 |
| 34 | Killara High School | Killara | Hospitality Examination | 1 |
| 35 | Killara High School | Killara | Japanese in Context | 1 |
| 36 | Killara High School | Killara | Korean in Context | 1 |
| 37 | Killara High School | Killara | Portuguese Continuers | 1 |
| 38 | Killara High School | Killara | Russian Continuers | 1 |