This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 775 | PAPAGNI, Olivia | SA | Merit | Research Project B | |
| 776 | PAPANDREA, Alessandro | SA | Merit | Biology | |
| 777 | PARK, Mir | SA | Merit | Japanese (Continuers) | |
| 778 | PARK, Seoan (Stephanie) | SA | Merit | Biology | |
| 779 | PARK, Seoan (Stephanie) | SA | Merit | Mathematical Methods | |
| 780 | PARK, Seoan (Stephanie) | SA | Merit | Specialist Mathematics | |
| 781 | PARK, Yunmi | SA | Merit | Korean (Continuers) | |
| 782 | PARK, Yunmi | SA | Merit | Research Project B | |
| 783 | PARKER, Clayton James | SA | Merit | Mathematical Methods | |
| 784 | PARKER, Clayton James | SA | Merit | Physics | |
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| 785 | PARKER, Taylah | SA | Merit | General Mathematics | |
| 786 | PARTINGTON, Shae-Lea | SA | Merit | Workplace Practices | |
| 787 | PASFIELD, Annaliese Rose | SA | Merit | Communication and the Community | |
| 788 | PATE, Lauren Hannah | SA | Merit | Integrated Learning B | |
| 789 | PATI, Anuradha | SA | Merit | Chemistry | |
| 790 | PATI, Anuradha | SA | Merit | English Literary Studies | |
| 791 | PATSOURIS, Anastasia Catherine | SA | Merit | Visual Arts - Design | |
| 792 | PAUL, Jackson | SA | Merit | Business and Enterprise | |
| 793 | PEARSONS, Mitchell Luke | SA | Merit | Research Project B | |
| 794 | PEDICINI, Ruby Simona | SA | Merit | Research Project B | |
| 795 | PEDLAR, Isabelle | SA | Merit | Research Project B | |
| 796 | PENG, Mei Chong (Chloe) | SA | Merit | Chemistry | |
| 797 | PENHALL, Kirsty Ann | SA | Merit | Workplace Practices | |
| 798 | PERERA, Nirodh Nawagamuwage | SA | Merit | General Mathematics | |
| 799 | PERERA, Seran Dulkith | SA | Merit | Mathematical Methods | |
| 800 | PERERA, Seran Dulkith | SA | Merit | Research Project B | |
| 801 | PERROTTA, Domenico | SA | Merit | Accounting | |
| 802 | PERROTTA, Domenico | SA | Merit | Chemistry | |
| 803 | PERROTTA, Domenico | SA | Merit | English | |
| 804 | PERROTTA, Domenico | SA | Merit | Mathematical Methods | |
| 805 | PERRY, Nicholas | SA | Merit | English | |
| 806 | PETNEY, Sarah Morgan | SA | Merit | Child Studies | |
| 807 | PHAM, Jennifer | SA | Merit | Biology | |
| 808 | PHAM, Jennifer | SA | Merit | Mathematical Methods | |
| 809 | PHAM, Jennifer | SA | Merit | Physics | |
| 810 | PHAM, Khoa Anh | SA | Merit | Systems and Control Products I | |
| 811 | PHAM, Nhat Anh Thu | SA | Merit | English as an Additional Language | |
| 812 | PHAN, Ty | SA | Merit | Information Processing and Publishing | |
| 813 | PIANTADOSI, Cara Alyssa | SA | Merit | Child Studies | |
| 814 | PIECK, Olivia Josephine | SA | Merit | English | |
| 815 | PIECK, Olivia Josephine | SA | Merit | Outdoor Education | |
| 816 | PILMORE, Angus Hamilton | SA | Merit | Research Project B | |
| 817 | PISCIONERI, Nicola | SA | Merit | Research Project B | |
| 818 | POEL, Caitlyn Ann | SA | Merit | English | |
| 819 | POLIGERINOS, Emily Jane | SA | Merit | Society and Culture | |
| 820 | POLVERINO, Anthony | SA | Merit | English | |
| 821 | PORTER, Ross Jonathon | SA | Merit | Mathematical Methods | |
| 822 | PORTMANN, Laura | SA | Merit | English | |
| 823 | PORTMANN, Laura | SA | Merit | Psychology | |
| 824 | PORTON, Isabel | SA | Merit | English | |