| ACC SWIMMING CARNIVALS 2023 - confirmed | # | ||
| A DIV Wed 22/03/23 | HBF Stadium (Indoor 8 lane) | 9 | |
| Sacred Heart | |||
| CBC Fremantle | |||
| All Saints | |||
| Chisholm | |||
| Mandurah CC | |||
| Mercedes | |||
| John XXIII | |||
| Newman | |||
| St Mark's | ↑ | Elevated from B Div | |
| B DIV Thurs 23/3/23 | HBF Stadium (Indoor 8 lane) | 9 | |
| St Stephen's (Duncraig) | ↓ | Relegated from A Div | |
| Corpus Christi | |||
| Mazenod | |||
| St Brigid's | |||
| Kolbe | |||
| Ursula Frayne | |||
| Prendiville | |||
| Peter Moyes | |||
| Lake Joondalup | ↑ | Elevated from C Div | |
| C DIV Tues 21/03/23 | HBF Stadium (Indoor 8 lane) | 8 | |
| Nagle | ↓ | Relegated from B Div | |
| St Mary MacKillop | |||
| Kennedy BC | |||
| Frederick Irwin AS | |||
| John Septimus Roe | |||
| Georgiana Molloy | |||
| Mandurah Baptist | |||
| Guildford Grammar | ↑ | Elevated from D Div | |
| D DIV Fri 24/3/23 | HBF Stadium (Indoor 8 lane) | 8 | |
| Kingsway CC | ↓ | Relegated from C Div | |
| La Salle | |||
| Lumen Christi | |||
| Swan Christian | |||
| John Paul | |||
| St Norbert | |||
| Emmanuel CC | |||
| Bunbury Cathedral Grammar | ↑ | Elevated from E Div | |
| E DIV Mon 20/3/23 | HBF Stadium (Indoor 8 lane) | 8 | |
| Servite | ↓ | Relegated from D Div | |
| Carey | |||
| Mater Dei | |||
| Irene McCormack | |||
| Seton | |||
| Swan Valley | |||
| St Stephen’s (Carramar) | |||
| St George's AS | ↑ | Elevated from F Div | |
| F DIV Fri 17/03/23 | HBF Outdoor 10 lane | 8 | |
| Living Waters | ↓ | Relegated from E Div | |
| Helena | |||
| Tranby | |||
| Peter Carnley ACS | |||
| Geraldton Grammar | |||
| Providence CC | |||
| Quinns | |||
| Mercy | ↑ | Elevated from G Div | |
| G DIV Thurs 16/03/23 | HBF Outdoor 10 lane | 8 | |
| Austin Cove Baptist | ↓ | Relegated from F Div | |
| St Joseph's Albany | |||
| St Joseph's Northam | |||
| John Wollaston | |||
| Holy Cross | |||
| Aranmore | |||
| Rehoboth CC | |||
| St James' Anglican School | ↑ | Elevated from H Div | |
| H DIV Wed 15/03/23 | HBF Outdoor 10 lane | 8 | |
| South Coast Baptist | ↓ | Relegated from G Div | |
| Carmel | |||
| Geraldton CC | |||
| Court Grammar | |||
| Mundaring CC | |||
| Grace Christian | |||
| St Andrew's | |||
| Mother Teresa Catholic College | ↑ | Elevated from I Div | |
| I DIV Tues 14/03/23 | HBF Outdoor 10 lane | 7 | |
| Cornerstone | ↓ withdrawn X | Relegated from H Div | |
| Alkimos Baptist | |||
| The King's College | |||
| Ellenbrook CC | |||
| Fremantle Christian College | |||
| Foundation Christian | |||
| Esperance Anglican Community School | New member | ||
| St John Bosco College | ↑ | Moved up from J Div | |
| J DIV Mon 13/3/23 | HBF Outdoor 10 lane | 6 | |
| Southern Hills CC | ↓ | Relegated from I Div | |
| Heritage College | Remaining in J Div | ||
| Carey Baptist - Forrestdale | |||
| International School | |||
| Edmund Rice | |||
| Immaculate Heart Catholic College | Moved to J Div | ||
| Salvado Catholic College | |||
| NB: Geraldton GS only swimming. Emmanuel CCS, Dale CC, Al Ameen, St Mary only in Aths.St Luke's, Kearnan & Cornerstone out for both 2023. | |||