Concordia College vs Westminster School
A head-to-head comparison of two combined schools in South Australia, 7.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Concordia College
Highgate · Independent combined · R-12
1,312 students · ICSEA 1140
Westminster School
Marion · Independent combined · R-12
1,401 students · ICSEA 1139
| Measure | Concordia College Highgate SA | Westminster School Marion SA |
|---|---|---|
| Success Index | 74 Top 25% | 78 Top 10% |
| State rank (type) | #14 of 145 | #10 of 145 |
| National rank (type) | #195 of 1,259 | #139 of 1,259 |
| Sector | Independent | Independent |
| Type | Combined | Combined |
| Year range | R-12 | R-12 |
| Students | 1,312 | 1,401 |
| Girls / boys | 646 / 666 | 698 / 703 |
| Foundation intake | 49 | 67 |
| Year 7 cohort | 151 | 139 |
| Year 12 cohort | 142 | 159 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +6% | +29% |
| ICSEA Average 1000 | 1140 | 1139 |
| ICSEA percentile | 93th | 93th |
| Top SEA quarter | 56% | 56% |
| Bottom SEA quarter | 2% | 3% |
| Students per teacher | 12.2 | 10.5 |
| Teaching staff (FTE) | 107.2 | 133.7 |
| Non-teaching staff (FTE) | 56.9 | 93.9 |
| Language background other than English | 17% | 21% |
| Indigenous students | 1% | 1% |
| Suburb | Highgate 5063 | Marion 5043 |
| Council area | Unley | Marion |
| Remoteness | Major Cities | Major Cities |
| Website | www.concordia.sa.edu.au | www.westminster.sa.edu.au |
The verdict
- •Westminster School scores higher on the Success Index (77.8 vs 73.9).
- •Concordia College has the higher ICSEA (1140 vs 1139), indicating a more advantaged community.
- •Westminster School has fewer students per teacher (10.5 vs 12.2).
- •Westminster School is the larger school with 1,401 students compared with 1,312.
- •Westminster School has grown faster over five years (29% vs 6%).
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 Concordia College better than Westminster School?
On the Success Index, Westminster School ranks higher (77.8 vs 73.9 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 Concordia College and Westminster School?
About 7.6 km in a straight line, between Highgate and Marion in South Australia.
Which has the better student-to-teacher ratio?
Concordia College has 12.2 students per full-time-equivalent teacher and Westminster School has 10.5.
How do Concordia College and Westminster School rank in SA?
Concordia College is 14th of 145 and Westminster School is 10th of 145 among combined schools in South Australia on the 2025 Success Index.