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.
| 6658 | Correia, Alison Ann | Sydney Girls High School | Surry Hills | Mathematics Extension 1 | DA | |
| 6659 | Correia, Alison Ann | Sydney Girls High School | Surry Hills | Mathematics Extension 2 | DA | |
| 6660 | Correia, Alison Ann | Sydney Girls High School | Surry Hills | Physics | DA | |
| 6661 | Correia, Mariah Spinola | Mitchell High School | Blacktown | Senior Science | DA | |
| 6662 | Corrigan, Kurt | St Pauls Catholic College Greystanes | Greystanes | Ancient History | DA | |
| 6663 | Corrigan, Kurt | St Pauls Catholic College Greystanes | Greystanes | English (Advanced) | DA | |
| 6664 | Corrigan, Kurt | St Pauls Catholic College Greystanes | Greystanes | English Extension 1 | DA | |
| 6665 | Corrigan, Kurt | St Pauls Catholic College Greystanes | Greystanes | Studies of Religion I | DA | |
| 6666 | Corry, Blake | Cranbrook School | Bellevue Hill | Biology | DA | |
| 6667 | Corry, Blake | Cranbrook School | Bellevue Hill | Drama | DA | |
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| 6668 | Corry, Blake | Cranbrook School | Bellevue Hill | English (Advanced) | DA | |
| 6669 | Corry, Blake | Cranbrook School | Bellevue Hill | Visual Arts | DA | |
| 6670 | Corser-Assmann, Florinda | Newcastle Waldorf School | Glendale | Music 1 | DA | |
| 6671 | Cosgayon, Cody | St Josephs Regional College | Port Macquarie | Community and Family Studies | DA | |
| 6672 | Cosgayon, Cody | St Josephs Regional College | Port Macquarie | English (Advanced) | DA | |
| 6673 | Cosgayon, Cody | St Josephs Regional College | Port Macquarie | Visual Arts | DA | |
| 6674 | Cosgrove, Jhelisa Topaz | Randwick Girls High School | Randwick | Music 1 | DA | |
| 6675 | Cosgrove, Lauren Elizabeth | Merewether High School | Broadmeadow | Food Technology | DA | |
| 6676 | Cosgrove, Lauren Elizabeth | Merewether High School | Broadmeadow | Mathematics General 2 | DA | |
| 6677 | Cosgrove, Louie | Waverley College | Waverley | Business Studies | DA | |
| 6678 | Cosgrove, Louie | Waverley College | Waverley | Personal Development, Health and Physical Education | DA | |
| 6679 | Costa, Brooke | Clancy Catholic College | West Hoxton | English (Advanced) | DA | |
| 6680 | Costa, Brooke | Clancy Catholic College | West Hoxton | Modern History | DA | |
| 6681 | Costa, Sebastian Francis | St Ignatius College | Lane Cove | Economics | DA | |
| 6682 | Costa, Sebastian Francis | St Ignatius College | Lane Cove | English (Advanced) | DA | |
| 6683 | Costa, Sebastian Francis | St Ignatius College | Lane Cove | Mathematics | DA | |
| 6684 | Costa, Sebastian Francis | St Ignatius College | Lane Cove | Modern History | DA | |
| 6685 | Costas, Ariana | Canterbury Girls High School | Canterbury | Biology | DA | |
| 6686 | Costas, Ariana | Canterbury Girls High School | Canterbury | English (Advanced) | DA | |
| 6687 | Costas, Ariana | Canterbury Girls High School | Canterbury | English Extension 1 | DA | |
| 6688 | Costas, Ariana | Canterbury Girls High School | Canterbury | French Beginners | DA | |
| 6689 | Costello, Lauren | Stella Maris College | Manly | Textiles and Design | DA | |
| 6690 | Cotie, Spencer | Killarney Heights High School | Killarney Heights | Mathematics General 2 | DA | |
| 6691 | Cotronea, Elise | Cecil Hills High School | Cecil Hills | Mathematics General 2 | DA | |
| 6692 | Cottam, Joshua Seth | Castle Hill High School | Castle Hill | Business Studies | DA | |
| 6693 | Cottam, Joshua Seth | Castle Hill High School | Castle Hill | Mathematics General 2 | DA | |
| 6694 | Cottee-Warner, Lauren | Roseville College | Roseville | Ancient History | DA | |
| 6695 | Cottee-Warner, Lauren | Roseville College | Roseville | English (Advanced) | DA | |
| 6696 | Cottee-Warner, Lauren | Roseville College | Roseville | Modern History | DA | |
| 6697 | Cottee-Warner, Lauren | Roseville College | Roseville | Visual Arts | DA | |
| 6698 | Cottle, Georgia | SCEGGS Darlinghurst | Darlinghurst | Design and Technology | DA | |
| 6699 | Cottle, Georgia | SCEGGS Darlinghurst | Darlinghurst | Personal Development, Health and Physical Education | DA | |
| 6700 | Cotton, Joshua | Northern Beaches Secondary College Manly Campus | North Curl Curl | Economics | DA | |
| 6701 | Cotton, Joshua | Northern Beaches Secondary College Manly Campus | North Curl Curl | Legal Studies | DA | |
| 6702 | Cotton, Joshua | Northern Beaches Secondary College Manly Campus | North Curl Curl | Mathematics | DA | |
| 6703 | Cotton, Maximus | The Scots College | Bellevue Hill | Mathematics General 2 | DA | |
| 6704 | Cottrell-Dormer, Stella | Our Lady of Mercy College Parramatta | Parramatta | Studies of Religion I | DA | |
| 6705 | Coughlan, Aidan | Caringbah High School | Caringbah | Mathematics Extension 1 | DA | |
| 6706 | Coughlan, Aidan | Caringbah High School | Caringbah | Mathematics Extension 2 | DA | |
| 6707 | Coughlan, Aidan | Caringbah High School | Caringbah | Mathematics Extension 1 | Subject rank | 9 |