Ambrose Treacy College vs Marist College Ashgrove
A head-to-head comparison of two combined schools in Queensland, 7.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Ambrose Treacy College
Indooroopilly · Catholic combined · 4-12
1,273 students · ICSEA 1139
Marist College Ashgrove
Ashgrove · Catholic combined · 5-12
1,827 students · ICSEA 1139
| Measure | Ambrose Treacy College Indooroopilly QLD | Marist College Ashgrove Ashgrove QLD |
|---|---|---|
| Success Index | 71 Top 25% | 69 Top 25% |
| State rank (type) | #31 of 275 | #39 of 275 |
| National rank (type) | #250 of 1,259 | #277 of 1,259 |
| Sector | Catholic | Catholic |
| Type | Combined | Combined |
| Year range | 4-12 | 5-12 |
| Students | 1,273 | 1,827 |
| Girls / boys | 0 / 1,273 | 0 / 1,827 |
| Foundation intake | – | – |
| Year 7 cohort | 185 | 228 |
| Year 12 cohort | 164 | 237 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -2% | +9% |
| ICSEA Average 1000 | 1139 | 1139 |
| ICSEA percentile | 93th | 93th |
| Top SEA quarter | 58% | 56% |
| Bottom SEA quarter | 2% | 2% |
| Students per teacher | 13.0 | 13.7 |
| Teaching staff (FTE) | 97.9 | 133.2 |
| Non-teaching staff (FTE) | 80.7 | 110.5 |
| Language background other than English | 15% | 14% |
| Indigenous students | 3% | 3% |
| Suburb | Indooroopilly 4068 | Ashgrove 4060 |
| Council area | Brisbane | Brisbane |
| Remoteness | Major Cities | Major Cities |
| Website | www.atc.qld.edu.au/ | www.marash.qld.edu.au |
The verdict
- •Ambrose Treacy College scores higher on the Success Index (70.7 vs 69.2).
- •Ambrose Treacy College has fewer students per teacher (13.0 vs 13.7).
- •Marist College Ashgrove is the larger school with 1,827 students compared with 1,273.
- •Marist College Ashgrove has grown faster over five years (9% vs -2%).
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 Ambrose Treacy College better than Marist College Ashgrove?
On the Success Index, Ambrose Treacy College ranks higher (70.7 vs 69.2 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 Ambrose Treacy College and Marist College Ashgrove?
About 7.7 km in a straight line, between Indooroopilly and Ashgrove in Queensland.
Which has the better student-to-teacher ratio?
Ambrose Treacy College has 13.0 students per full-time-equivalent teacher and Marist College Ashgrove has 13.7.
How do Ambrose Treacy College and Marist College Ashgrove rank in QLD?
Ambrose Treacy College is 31st of 275 and Marist College Ashgrove is 39th of 275 among combined schools in Queensland on the 2025 Success Index.