| 2020 Ratings | Under 18 Girls | Health 2000 National Champs, Dun | Billabong Grom #1, Mount | Billabong Grom #2, Whanga | Billabong Grom #3, Piha | Ray White Duke Festival of Surfing, Chch | Kaikoura Grom Comp, Kaikoura | TOTAL | TOTAL (Best 5 Results) |
| 1 | Estella Hungerford (Chch) | 750 | 1290 | 1095 | 1290 | 1500 | 915 | 6840 | 6090 |
| 2 | Georgia Wederell (Mnt) | 1290 | 1500 | 1290 | 1095 | 0 | 915 | 6090 | 6090 |
| 3 | Brie Bennett (Rag) | 915 | 0 | 1500 | 1500 | 0 | 0 | 3915 | 3915 |
| 4 | Leah Wilson (Chch) | 1095 | 0 | 0 | 0 | 1290 | 750 | 3135 | 3135 |
| 5 | Amilie Wink (Chch) | 675 | 0 | 0 | 0 | 1095 | 915 | 2685 | 2685 |
| 6 | Ava Henderson (Chch) | 1500 | 0 | 0 | 0 | 0 | 915 | 2415 | 2415 |
| 7 | Jaya Reardon (Dun) | 750 | 0 | 0 | 0 | 833 | 675 | 2258 | 2258 |
| 7 | Eloise Addison (Chch) | 750 | 0 | 0 | 0 | 833 | 675 | 2258 | 2258 |
| 9 | Anika Ayson (Dun) | 675 | 0 | 0 | 0 | 732 | 750 | 2157 | 2157 |
| 10 | Ariana Shewry (Tara) | 915 | 0 | 1005 | 0 | 0 | 0 | 1920 | 1920 |
| 11 | Liv Haysom (Piha) | 833 | 0 | 0 | 0 | 0 | 915 | 1748 | 1748 |
| 11 | Natasha Gouldsbury (Levin) | 833 | 0 | 0 | 0 | 0 | 915 | 1748 | 1748 |
| 13 | Tui Rudoplh (Chch) | 0 | 0 | 0 | 0 | 915 | 750 | 1665 | 1665 |
| 13 | Anna Brock (Mnt) | 750 | 0 | 0 | 0 | 0 | 915 | 1665 | 1665 |
| 15 | Taya Morrison (Dun) | 0 | 0 | 0 | 0 | 915 | 675 | 1590 | 1590 |
| 16 | Jada Morrison (Chch) | 0 | 0 | 0 | 0 | 833 | 750 | 1583 | 1583 |
| 17 | Amarnie Barber (Aus) | 1005 | 0 | 0 | 0 | 0 | 0 | 1005 | 1005 |
| 17 | Lily Robertson (Chch) | 0 | 0 | 0 | 0 | 1005 | 0 | 1005 | 1005 |
| 19 | Asia Braithwaite (Gis) | 0 | 0 | 0 | 0 | 0 | 915 | 915 | 915 |
| 20 | Lydia Hawes (WC) | 0 | 0 | 0 | 0 | 0 | 675 | 675 | 675 |
| 21 | Jessica Roache (Bul) | 0 | 0 | 0 | 0 | 0 | 600 | 600 | 600 |
