Cabra Dominican College vs St Thomas' School
A head-to-head comparison of two schools in South Australia, 1.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Cabra Dominican College
Cumberland Park · Catholic combined · 7-12
1,165 students · ICSEA 1065
St Thomas' School
Goodwood · Catholic primary · R-6
297 students · ICSEA 1116
| Measure | Cabra Dominican College Cumberland Park SA | St Thomas' School Goodwood SA |
|---|---|---|
| Success Index | 51 Top 50% | 72 Top 25% |
| State rank (type) | #51 of 145 | #50 of 348 |
| National rank (type) | #644 of 1,259 | #878 of 4,908 |
| Sector | Catholic | Catholic |
| Type | Combined | Primary |
| Year range | 7-12 | R-6 |
| Students | 1,165 | 297 |
| Girls / boys | 592 / 573 | 142 / 155 |
| Foundation intake | – | 44 |
| Year 7 cohort | 203 | – |
| Year 12 cohort | 186 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -4% | -22% |
| ICSEA Average 1000 | 1065 | 1116 |
| ICSEA percentile | 74th | 88th |
| Top SEA quarter | 19% | 44% |
| Bottom SEA quarter | 7% | 4% |
| Students per teacher | 14.8 | 14.7 |
| Teaching staff (FTE) | 78.8 | 20.2 |
| Non-teaching staff (FTE) | 48.1 | 13.0 |
| Language background other than English | 9% | 11% |
| Indigenous students | 1% | 0% |
| Suburb | Cumberland Park 5041 | Goodwood 5034 |
| Council area | Mitcham | Unley |
| Remoteness | Major Cities | Major Cities |
| Website | www.cabra.catholic.edu.au | www.stg.catholic.edu.au |
The verdict
- •St Thomas' School scores higher on the Success Index (71.5 vs 50.5).
- •St Thomas' School has the higher ICSEA (1116 vs 1065), indicating a more advantaged community.
- •Cabra Dominican College is the larger school with 1,165 students compared with 297.
- •Cabra Dominican College has grown faster over five years (-4% vs -22%).
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
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Frequently asked questions
Is Cabra Dominican College better than St Thomas' School?
On the Success Index, St Thomas' School ranks higher (71.5 vs 50.5 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.
How far apart are Cabra Dominican College and St Thomas' School?
About 1.6 km in a straight line, between Cumberland Park and Goodwood in South Australia.
Which has the better student-to-teacher ratio?
Cabra Dominican College has 14.8 students per full-time-equivalent teacher and St Thomas' School has 14.7.
How do Cabra Dominican College and St Thomas' School rank in SA?
Cabra Dominican College is 51st of 145 and St Thomas' School is 50th of 348 among combined schools in South Australia on the 2025 Success Index.