Here are the results of round 4 of the Senior Certificate Grade. Winners in bold.
Round 4: Limited Preparation
Wellington Pool
| Scots College 1 | St Patrick’s College 1 |
| Wellington East Girls’ College | Samuel Marsden Collegiate 3 |
| St Mary’s College 1 | St Patrick’s College 3 |
| Onslow College 2 | Queen Margaret College |
| St Mary’s College 3 | Samuel Marsden Collegiate 2 |
| Samuel Marsden Collegiate 1 | St Mary’s College 2 |
| Onslow College 1 | Wellington College 2 |
| Scots College 3 | Wellington Girls’ College 3 |
| Scots College 2 | Wellington Girls’ College 2 |
| Wellington College 1 | Onslow College 3 |
| – bye – | St Patrick’s College 2 |
| Wellington College 3 | Wellington Girls’ College 1 |
Valley Pool
| Chilton Saint James School 2 | Viard College |
| Aotea College | Hutt Valley High School |
| Taita College 3 | St Oran’s College 1 |
| St Oran’s College 2 | Porirua College |
| Heretaunga College 1 | Tawa College 1 |
| HIBS 1 | Taita College 1 |
| Heretaunga College 3 | Newlands College 2 |
| Tawa College 2 | Kapiti College |
| St Pats Silverstream | St Bernard’s College |
| Sacred Heart College | Chilton Saint James School 1 |
| Taita College 2 | Heretaunga College 2 |
| Newlands College 1 | HIBS 2 |