| Placing | Team | Preliminaries |
|---|---|---|
| 1 | Shirley Boys High School - A |
47.27q |
| 2 | Marlborough Boys College - A |
48.03q |
| 3 | Otago Boys High School - A |
48.11q |
| -- | John McGlashan College - A |
DNS |
| -- | Nelson College - A |
DNS |
| -- | St Kevin's College - A |
DNS |
| Placing | Team | Preliminaries |
|---|---|---|
| 1 | Christchurch Boys High Sc - A | 46.31q |
| 2 | Timaru Boys' High School - A |
47.68q |
| 3 | Christ's College - A |
47.77q |
| 4 | Waimate High School - A |
48.52q |
| 5 | Burnside High School - A | 48.67q |
| -- | Kings High School - A |
DNS |
| -- | Southland Boys High Schoo - A |
DNS |
| Placing | Team | Finals |
|---|---|---|
| 1 | Christchurch Boys High Sc - A | 45.69 |
| 2 | Shirley Boys High School - A |
46.73 |
| 3 | Timaru Boys' High School - A |
48.12 |
| 4 | Christ's College - A |
48.36 |
| 5 | Marlborough Boys College - A |
48.37 |
| 6 | Burnside High School - A | 48.53 |
| 7 | Waimate High School - A |
52.47 |
| -- | Otago Boys High School - A |
DQ |