Ipswich Grammar School vs St Mary's College
A head-to-head comparison of two schools in Queensland, 476 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Ipswich Grammar School
Ipswich · Independent combined · Prep-12
1,336 students · ICSEA 1114
St Mary's College
Ipswich · Catholic high school · 7-12
730 students · ICSEA 1033
| Measure | Ipswich Grammar School Ipswich QLD | St Mary's College Ipswich QLD |
|---|---|---|
| Success Index | 75 Top 25% | 57 Top 50% |
| State rank (type) | #18 of 275 | #80 of 269 |
| National rank (type) | #187 of 1,259 | #582 of 1,472 |
| Sector | Independent | Catholic |
| Type | Combined | Secondary |
| Year range | Prep-12 | 7-12 |
| Students | 1,336 | 730 |
| Girls / boys | 0 / 1,336 | 730 / 0 |
| Foundation intake | 59 | – |
| Year 7 cohort | 150 | 157 |
| Year 12 cohort | 136 | 101 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +31% | +13% |
| ICSEA Average 1000 | 1114 | 1033 |
| ICSEA percentile | 88th | 61th |
| Top SEA quarter | 47% | 14% |
| Bottom SEA quarter | 5% | 16% |
| Students per teacher | 12.7 | 12.9 |
| Teaching staff (FTE) | 105.4 | 56.5 |
| Non-teaching staff (FTE) | 50.2 | 28.1 |
| Language background other than English | 32% | 7% |
| Indigenous students | 5% | 5% |
| Suburb | Ipswich 4305 | Ipswich 4305 |
| Council area | Ipswich | Ipswich |
| Remoteness | Major Cities | Major Cities |
| Website | www.ipswichgrammar.com | www.stmarys.qld.edu.au |
The verdict
- •Ipswich Grammar School scores higher on the Success Index (74.6 vs 57.1).
- •Ipswich Grammar School has the higher ICSEA (1114 vs 1033), indicating a more advantaged community.
- •Ipswich Grammar School is the larger school with 1,336 students compared with 730.
- •Ipswich Grammar School has grown faster over five years (31% vs 13%).
- •Ipswich Grammar School is a independent school while St Mary's College is a catholic school, so fees and enrolment rules differ.
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 Ipswich Grammar School better than St Mary's College?
On the Success Index, Ipswich Grammar School ranks higher (74.6 vs 57.1 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 Ipswich Grammar School and St Mary's College?
About 476 m in a straight line, between Ipswich and Ipswich in Queensland.
Which has the better student-to-teacher ratio?
Ipswich Grammar School has 12.7 students per full-time-equivalent teacher and St Mary's College has 12.9.
How do Ipswich Grammar School and St Mary's College rank in QLD?
Ipswich Grammar School is 18th of 275 and St Mary's College is 80th of 269 among combined schools in Queensland on the 2025 Success Index.