Ipswich Girls' Grammar School vs St Mary's Primary School
A head-to-head comparison of two schools in Queensland, 1.4 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Ipswich Girls' Grammar School
East Ipswich · Independent combined · Prep-12
1,047 students · ICSEA 1122
St Mary's Primary School
Woodend · Catholic primary · Prep-6
556 students · ICSEA 1041
| Measure | Ipswich Girls' Grammar School East Ipswich QLD | St Mary's Primary School Woodend QLD |
|---|---|---|
| Success Index | 71 Top 25% | 51 Top 50% |
| State rank (type) | #29 of 275 | #316 of 804 |
| National rank (type) | #246 of 1,259 | #2626 of 4,908 |
| Sector | Independent | Catholic |
| Type | Combined | Primary |
| Year range | Prep-12 | Prep-6 |
| Students | 1,047 | 556 |
| Girls / boys | 913 / 134 | 341 / 215 |
| Foundation intake | 85 | 74 |
| Year 7 cohort | 99 | – |
| Year 12 cohort | 87 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +18% | -2% |
| ICSEA Average 1000 | 1122 | 1041 |
| ICSEA percentile | 90th | 65th |
| Top SEA quarter | 48% | 17% |
| Bottom SEA quarter | 3% | 14% |
| Students per teacher | 13.3 | 17.7 |
| Teaching staff (FTE) | 78.9 | 31.4 |
| Non-teaching staff (FTE) | 63.7 | 20.2 |
| Language background other than English | 29% | 7% |
| Indigenous students | 4% | 6% |
| Suburb | East Ipswich 4305 | Woodend 4305 |
| Council area | Ipswich | Ipswich |
| Remoteness | Major Cities | Major Cities |
| Website | www.iggs.qld.edu.au | www.stmarysipswich.qld.edu.au |
The verdict
- •Ipswich Girls' Grammar School scores higher on the Success Index (70.8 vs 51.0).
- •Ipswich Girls' Grammar School has the higher ICSEA (1122 vs 1041), indicating a more advantaged community.
- •Ipswich Girls' Grammar School has fewer students per teacher (13.3 vs 17.7).
- •Ipswich Girls' Grammar School is the larger school with 1,047 students compared with 556.
- •Ipswich Girls' Grammar School has grown faster over five years (18% vs -2%).
- •Ipswich Girls' Grammar School is a independent school while St Mary's Primary School 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 Girls' Grammar School better than St Mary's Primary School?
On the Success Index, Ipswich Girls' Grammar School ranks higher (70.8 vs 51.0 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 Girls' Grammar School and St Mary's Primary School?
About 1.4 km in a straight line, between East Ipswich and Woodend in Queensland.
Which has the better student-to-teacher ratio?
Ipswich Girls' Grammar School has 13.3 students per full-time-equivalent teacher and St Mary's Primary School has 17.7.
How do Ipswich Girls' Grammar School and St Mary's Primary School rank in QLD?
Ipswich Girls' Grammar School is 29th of 275 and St Mary's Primary School is 316th of 804 among combined schools in Queensland on the 2025 Success Index.