This is the NSW HSC Honour Roll, listing every award or prize won by New South Wales HSC students in 2018, along with their school and subject details.
The report includes all Distinguished Achiever awards, All Rounder awards, and Subject Top Achiever awards (with rankings). First in Course awards are shown as Subject Top Achiever awards with a ranking of '1' i.e. first place.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 6708 | Couldwell-Watt, Mason | Inaburra School | Bangor | Music 1 | DA | |
| 6709 | Couley, April | Camden High School | Camden | English (Advanced) | DA | |
| 6710 | Couley, April | Camden High School | Camden | Visual Arts | DA | |
| 6711 | Coulter, Harrison Stanley | Gosford High School | Gosford | English (Advanced) | DA | |
| 6712 | Coulter, Harrison Stanley | Gosford High School | Gosford | English Extension 1 | DA | |
| 6713 | Coulter, Harrison Stanley | Gosford High School | Gosford | Modern History | DA | |
| 6714 | Couper, Isabella Catherine | Loreto Kirribilli | Kirribilli | Mathematics | DA | |
| 6715 | Coupland, Henry Harcourt | The Kings School | North Parramatta | Industrial Technology | DA | |
| 6716 | Court, Kevin | Sydney Boys High School | Moore Park | All-rounder | ||
| 6717 | Court, Kevin | Sydney Boys High School | Moore Park | Biology | DA | |
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| 6718 | Court, Kevin | Sydney Boys High School | Moore Park | Chemistry | DA | |
| 6719 | Court, Kevin | Sydney Boys High School | Moore Park | English (Advanced) | DA | |
| 6720 | Court, Kevin | Sydney Boys High School | Moore Park | Mathematics Extension 1 | DA | |
| 6721 | Court, Kevin | Sydney Boys High School | Moore Park | Mathematics Extension 2 | DA | |
| 6722 | Court, Kevin | Sydney Boys High School | Moore Park | Physics | DA | |
| 6723 | Court, Shanna | Maitland Grossmann High School | East Maitland | Music 1 | DA | |
| 6724 | Courtney, Isabella Scarlett Polanec | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Mathematics General 2 | DA | |
| 6725 | Courtney, Ivan Jose | Secondary College of Languages Chatswood Campus | Chatswood | Spanish Extension | Subject rank | 5 |
| 6726 | Courtney, Ivan Jose | St Ives High School | St Ives | Spanish Extension | DA | |
| 6727 | Courtney, Thomas Benjamin | St Pius X College | Chatswood | Biology | DA | |
| 6728 | Courtney, Thomas Benjamin | St Pius X College | Chatswood | Mathematics | DA | |
| 6729 | Courtney, Thomas Benjamin | St Pius X College | Chatswood | Mathematics Extension 1 | DA | |
| 6730 | Cousins, Courtney | Santa Sabina College | Strathfield | English (Advanced) | DA | |
| 6731 | Cousins, Courtney | Santa Sabina College | Strathfield | English Extension 2 | DA | |
| 6732 | Cousins, Courtney | Santa Sabina College | Strathfield | Music 2 | DA | |
| 6733 | Cousins, Courtney | Santa Sabina College | Strathfield | Music Extension | DA | |
| 6734 | Cousins, Courtney | Santa Sabina College | Strathfield | Studies of Religion I | DA | |
| 6735 | Cousins, Courtney | Santa Sabina College | Strathfield | Studies of Religion I | Subject rank | 2 |
| 6736 | Cousins, Lucy | SCEGGS Darlinghurst | Darlinghurst | Biology | DA | |
| 6737 | Cousins, Lucy | SCEGGS Darlinghurst | Darlinghurst | Design and Technology | DA | |
| 6738 | Cousins, Lucy | SCEGGS Darlinghurst | Darlinghurst | English (Advanced) | DA | |
| 6739 | Cousins, Lucy | SCEGGS Darlinghurst | Darlinghurst | Personal Development, Health and Physical Education | DA | |
| 6740 | Couston, Ella | Barrenjoey High School | Avalon | All-rounder | ||
| 6741 | Couston, Ella | Barrenjoey High School | Avalon | English (Advanced) | DA | |
| 6742 | Couston, Ella | Barrenjoey High School | Avalon | Geography | DA | |
| 6743 | Couston, Ella | Barrenjoey High School | Avalon | Music 1 | DA | |
| 6744 | Couston, Ella | Barrenjoey High School | Avalon | Personal Development, Health and Physical Education | DA | |
| 6745 | Couter, Gabrielle | Loreto Normanhurst | Normanhurst | Ancient History | DA | |
| 6746 | Couter, Gabrielle | Loreto Normanhurst | Normanhurst | English (Advanced) | DA | |
| 6747 | Couter, Gabrielle | Loreto Normanhurst | Normanhurst | History Extension | DA | |
| 6748 | Couter, Gabrielle | Loreto Normanhurst | Normanhurst | Modern History | DA | |
| 6749 | Coutts-Trotter, Anna Rose | Randwick Girls High School | Randwick | History Extension | DA | |
| 6750 | Coutts-Trotter, Anna Rose | Randwick Girls High School | Randwick | Modern History | DA | |
| 6751 | Covetz, Harrison | Wollongong High School of the Performing Arts | Fairy Meadow | Drama | DA | |
| 6752 | Cowan, Hamish Kemble | SHORE Sydney Church of England Grammar School | North Sydney | Business Studies | DA | |
| 6753 | Cowan, Hamish Kemble | SHORE Sydney Church of England Grammar School | North Sydney | Geography | DA | |
| 6754 | Cowan, Hamish Kemble | SHORE Sydney Church of England Grammar School | North Sydney | Mathematics General 2 | DA | |
| 6755 | Cowan, Hamish Kemble | SHORE Sydney Church of England Grammar School | North Sydney | Modern History | DA | |
| 6756 | Cowan, Jackson Ashley | SHORE Sydney Church of England Grammar School | North Sydney | Business Studies | DA | |
| 6757 | Cowan, Jackson Ashley | SHORE Sydney Church of England Grammar School | North Sydney | Geography | DA | |