Christian Brothers College vs Gilles Street Primary School
A head-to-head comparison of two schools in South Australia, 784 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Christian Brothers College
Adelaide · Catholic combined · R-12
990 students · ICSEA 1074
Gilles Street Primary School
Adelaide · Government primary · U, R-6
275 students · ICSEA 1107
| Measure | Christian Brothers College Adelaide SA | Gilles Street Primary School Adelaide SA |
|---|---|---|
| Success Index | 61 Top 50% | 73 Top 25% |
| State rank (type) | #28 of 145 | #44 of 348 |
| National rank (type) | #441 of 1,259 | #760 of 4,908 |
| Sector | Catholic | Government |
| Type | Combined | Primary |
| Year range | R-12 | U, R-6 |
| Students | 990 | 275 |
| Girls / boys | 0 / 990 | 132 / 143 |
| Foundation intake | 26 | 33 |
| Year 7 cohort | 129 | – |
| Year 12 cohort | 109 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +5% | -26% |
| ICSEA Average 1000 | 1074 | 1107 |
| ICSEA percentile | 77th | 86th |
| Top SEA quarter | 31% | 43% |
| Bottom SEA quarter | 13% | 5% |
| Students per teacher | 12.3 | 12.7 |
| Teaching staff (FTE) | 80.3 | 21.6 |
| Non-teaching staff (FTE) | 54.8 | 12.9 |
| Language background other than English | 26% | 57% |
| Indigenous students | 1% | 1% |
| Suburb | Adelaide 5000 | Adelaide 5000 |
| Council area | Adelaide | Adelaide |
| Remoteness | Major Cities | Major Cities |
| Website | www.cbc.sa.edu.au | www.gillesstps.sa.edu.au |
The verdict
- •Gilles Street Primary School scores higher on the Success Index (72.8 vs 61.2).
- •Gilles Street Primary School has the higher ICSEA (1107 vs 1074), indicating a more advantaged community.
- •Christian Brothers College is the larger school with 990 students compared with 275.
- •Christian Brothers College has grown faster over five years (5% vs -26%).
- •Christian Brothers College is a catholic school while Gilles Street Primary School is a government 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 Christian Brothers College better than Gilles Street Primary School?
On the Success Index, Gilles Street Primary School ranks higher (72.8 vs 61.2 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 Christian Brothers College and Gilles Street Primary School?
About 784 m in a straight line, between Adelaide and Adelaide in South Australia.
Which has the better student-to-teacher ratio?
Christian Brothers College has 12.3 students per full-time-equivalent teacher and Gilles Street Primary School has 12.7.
How do Christian Brothers College and Gilles Street Primary School rank in SA?
Christian Brothers College is 28th of 145 and Gilles Street Primary School is 44th of 348 among combined schools in South Australia on the 2025 Success Index.