Gilles Street Primary School vs St Aloysius College
A head-to-head comparison of two schools in South Australia, 663 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Gilles Street Primary School
Adelaide · Government primary · U, R-6
275 students · ICSEA 1107
St Aloysius College
Adelaide · Catholic combined · R-12
1,091 students · ICSEA 1081
| Measure | Gilles Street Primary School Adelaide SA | St Aloysius College Adelaide SA |
|---|---|---|
| Success Index | 73 Top 25% | 60 Top 50% |
| State rank (type) | #44 of 348 | #30 of 145 |
| National rank (type) | #760 of 4,908 | #471 of 1,259 |
| Sector | Government | Catholic |
| Type | Primary | Combined |
| Year range | U, R-6 | R-12 |
| Students | 275 | 1,091 |
| Girls / boys | 132 / 143 | 1,091 / 0 |
| Foundation intake | 33 | 32 |
| Year 7 cohort | – | 141 |
| Year 12 cohort | – | 114 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -26% | -11% |
| ICSEA Average 1000 | 1107 | 1081 |
| ICSEA percentile | 86th | 79th |
| Top SEA quarter | 43% | 37% |
| Bottom SEA quarter | 5% | 13% |
| Students per teacher | 12.7 | 11.6 |
| Teaching staff (FTE) | 21.6 | 94.3 |
| Non-teaching staff (FTE) | 12.9 | 36.8 |
| Language background other than English | 57% | 31% |
| Indigenous students | 1% | 3% |
| Suburb | Adelaide 5000 | Adelaide 5000 |
| Council area | Adelaide | Adelaide |
| Remoteness | Major Cities | Major Cities |
| Website | www.gillesstps.sa.edu.au | www.sac.sa.edu.au |
The verdict
- •Gilles Street Primary School scores higher on the Success Index (72.8 vs 59.5).
- •Gilles Street Primary School has the higher ICSEA (1107 vs 1081), indicating a more advantaged community.
- •St Aloysius College has fewer students per teacher (11.6 vs 12.7).
- •St Aloysius College is the larger school with 1,091 students compared with 275.
- •St Aloysius College has grown faster over five years (-11% vs -26%).
- •Gilles Street Primary School is a government school while St Aloysius 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 Gilles Street Primary School better than St Aloysius College?
On the Success Index, Gilles Street Primary School ranks higher (72.8 vs 59.5 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 Gilles Street Primary School and St Aloysius College?
About 663 m in a straight line, between Adelaide and Adelaide in South Australia.
Which has the better student-to-teacher ratio?
Gilles Street Primary School has 12.7 students per full-time-equivalent teacher and St Aloysius College has 11.6.
How do Gilles Street Primary School and St Aloysius College rank in SA?
Gilles Street Primary School is 44th of 348 and St Aloysius College is 30th of 145 among primary schools in South Australia on the 2025 Success Index.