Below are the winners of the OzCLO 2020 National Round. Congratulations to all!
| WINNERS & GOLD | |||
| NSW-032 | Senior | Sydney Girls High School | Senior 1 |
| NSW-280 | Senior | Sydney Boys High School | Senior 2 |
| VIC-238 | Junior | Melbourne Grammar | Junior 1 |
| QLD-102 | Senior | Brisbane State High School | Senior 3 |
| NSW-343 | Senior | Sydney Grammar School | Senior 3 |
| QLD-113 | Junior | Brisbane State High School | Junior 2 |
| VIC-244 | Senior | Melbourne Grammar School | |
| NSW-308 | Junior | Sydney Grammar School | Junior 3 |
| QLD-157 | Junior | Anglican Church Grammar School | Junior 3 |
| VIC-066 | Senior | Penleigh and Essendon Grammar School | |
| VIC-255 | Senior | Scotch College | |
| QLD-315 | Senior | Centenary SHS | |
| SILVER | |||
| SA-294 | Senior | Pembroke School | |
| VIC-399 | Senior | Camberwell Grammar School | |
| NT-213 | Junior | Darwin High School | |
| QLD-246 | Senior | QASMT | |
| ACT-288 | Senior | Trinity Christian School | |
| QLD-252 | Senior | QASMT | |
| SA-364 | Junior | Immanuel College | |
| ACT-127 | Senior | Radford College | |
| NT-314 | Senior | Essington International Senior College | |
| SA-331 | Senior | Emmaus Christian College | |
| ACT-131 | Senior | Radford College | |
| NT-269 | Senior | Essington International Senior College | |
| BRONZE | |||
| ACT-119 | Junior | Radford College | |
| NT-380 | Junior | The Essington International School Darwin | |
| SA-320 | Junior | Prince Alfred College |