| Age | Event | Time | Name | School | Year |
|---|---|---|---|---|---|
| All age | 100m freestyle | 59:27 | Emerson Hoo | St Bernards, Botany | 2026 |
| 8 years | 50m freestyle | 33.46 | Emerson Hoo | Botany PS | 2022 |
| 9 years | 50m freestyle | 31.46 | Emerson Hoo | Botany PS | 2023 |
| 10 years | 50m freestyle | 29.16 | Emerson Hoo | Botany PS | 2024 |
| 11 years | 50m freestyle | 28.05 | Emerson Hoo | St Bernards, Botany | 2025 |
| 12 years | 50m freestyle | 27.12 | Emerson Hoo | St Bernards, Botany | 2026 |
| 13 years | 50m freestyle | 30.06 | Chloe Gaudry | Balgowlah North PS | 2022 |
| Junior | 50m breaststroke | 38.49 | Emerson Hoo | Botany PS | 2024 |
| 11 years | 50m breaststroke | 35.65 | Emerson Hoo | St Bernards, Botany | 2025 |
| 12/13 years | 50m breaststroke | 34.66 | Emerson Hoo | St Bernards, Botany | 2026 |
| Junior | 50m backstroke | 35.02 | Milla Lawrence | Mona Vale PS | 2018 |
| 11 years | 50m backstroke | 32.92 | Milla Lawrence | Mona Vale PS | 2019 |
| 12/13 years | 50m backstroke | 31.52 | Emerson Hoo | St Bernards, Botany | 2026 |
| Junior | 50m butterfly | 31.45 | Emerson Hoo | Botany PS | 2024 |
| 11 years | 50m butterfly | 30.17 | Emerson Hoo | St Bernards, Botany | 2025 |
| 12/13 years | 50m butterfly | 29.25 | Emerson Hoo | St Bernard's, Botany | 2026 |
| Senior | 200m ind. medley | 2:30.34 | Anna Lee | St Joseph Enfield | 2016 |
| Junior | 200m ind. medley | 2:37.27 | Emerson Hoo | St Bernards, Botany | 2024 |
| Junior | 4 x 50m relay | 2:15.23 | (8/9/10 years) | Meriden School | 2026 |
| Senior | 4 x 50m relay | 2:01.31 | (11/12/13 years) | PLC Sydney | 2022 |
| Juvenile | 4 x 50m relay | 2:34.40 | (8/9 years) | Gymea North PS | 1975 |
| Junior | 4 x 50m relay | 2:20.60 | (10/11 years) | Ringrose PS | 1975 |
| All age | Medley relay | 2:27.40 | - | North Sydney | 1978 |
| All age | 5 x 50m relay | 2:43.02 | - | CIS | 2003 |