International Grammar School vs St James Catholic Primary School
A head-to-head comparison of two schools in New South Wales, 969 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
International Grammar School
Ultimo · Independent combined · K-12
1,224 students · ICSEA 1170
St James Catholic Primary School
Glebe · Catholic primary · K-6
152 students · ICSEA 1125
| Measure | International Grammar School Ultimo NSW | St James Catholic Primary School Glebe NSW |
|---|---|---|
| Success Index | 82 Top 10% | 77 Top 10% |
| State rank (type) | #32 of 314 | #98 of 1,619 |
| National rank (type) | #77 of 1,259 | #375 of 4,908 |
| Sector | Independent | Catholic |
| Type | Combined | Primary |
| Year range | K-12 | K-6 |
| Students | 1,224 | 152 |
| Girls / boys | 527 / 697 | 76 / 76 |
| Foundation intake | 60 | 26 |
| Year 7 cohort | 103 | – |
| Year 12 cohort | 106 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +4% | -6% |
| ICSEA Average 1000 | 1170 | 1125 |
| ICSEA percentile | 98th | 90th |
| Top SEA quarter | 71% | 49% |
| Bottom SEA quarter | 2% | 4% |
| Students per teacher | 9.7 | 14.1 |
| Teaching staff (FTE) | 126.5 | 10.8 |
| Non-teaching staff (FTE) | 55.2 | 2.7 |
| Language background other than English | 26% | 77% |
| Indigenous students | 2% | 0% |
| Suburb | Ultimo 2007 | Glebe 2037 |
| Council area | Sydney | Sydney |
| Remoteness | Major Cities | Major Cities |
| Website | www.igssyd.nsw.edu.au | stjglebe.syd.catholic.edu.au |
The verdict
- •International Grammar School scores higher on the Success Index (81.9 vs 77.4).
- •International Grammar School has the higher ICSEA (1170 vs 1125), indicating a more advantaged community.
- •International Grammar School has fewer students per teacher (9.7 vs 14.1).
- •International Grammar School is the larger school with 1,224 students compared with 152.
- •International Grammar School has grown faster over five years (4% vs -6%).
- •International Grammar School is a independent school while St James Catholic 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 International Grammar School better than St James Catholic Primary School?
On the Success Index, International Grammar School ranks higher (81.9 vs 77.4 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 International Grammar School and St James Catholic Primary School?
About 969 m in a straight line, between Ultimo and Glebe in New South Wales.
Which has the better student-to-teacher ratio?
International Grammar School has 9.7 students per full-time-equivalent teacher and St James Catholic Primary School has 14.1.
How do International Grammar School and St James Catholic Primary School rank in NSW?
International Grammar School is 32nd of 314 and St James Catholic Primary School is 98th of 1,619 among combined schools in New South Wales on the 2025 Success Index.