| Place | School | Result | |
|---|---|---|---|
| 1 | URRBRAE AGRICULTURAL HIGH SCHO A | 1:03.39 | |
| 2 | VICTOR HARBOR HIGH SCHOOL A | 1:03.75 | |
| 3 | PORTSIDE CHRISTIAN COLLEGE A | 1:03.77 | |
| 4 | OCEAN VIEW COLLEGE A | 1:07.01 | |
| 5 | ABERFOYLE PARK HIGH SCHOOL A | 1:09.36 | |
| 6 | THE HILLS CHRISTIAN COLLEGE A | 1:09.74 | |
| ALDINGA PAYINTHI COLLEGE A | DQ | ||
| FINDON HIGH SCHOOL A | DNS |