2023 GBC Swimming Carnival – Lane Allocation:
Each school will be allocated a lane for the duration of the event. The 2023 Lane Allocation is below:
| School Name | Abbr. | |
| Lane 1: | Faith Lutheran College Plainland | FLCP |
| Lane 2: | Rivermount College | RMC |
| Lane 3: | Redeemer Lutheran College | RLC |
| Lane 4: | Sheldon College | SHEL |
| Lane 5: | Ambrose Treacy / Brigidine College | ATC/BRIG |
| Lane 6: | The Springfield Anglican College | TSAC |
| Lane 7: | Staines Memorial College | SMC |
| Lane 8: | All Hallows School | AHS |