30th August, 1990
| Group Name | Suburb | State | Points | Placing |
|---|---|---|---|---|
| Woodlands GCEGGS | Adelaide | South Australia | 89.00 | 1st |
| Presbyterian Ladies' College | Burwood | Victoria | 88.00 | 2nd |
| Siena College | Camberwell | Victoria | 87.00 | 3rd |
| Sacred Heart College Choir | Newtown | Victoria | 86.00 | Honourable Mention |
| Matthew Flinders Girls' Secondary College Madrigal Singers | Geelong | Victoria | 86.00 | Honourable Mention |
| Kildara College | Malvern | Victoria | None | |
| Hamilton High & Secondary College | Hamilton | Victoria | None |
