Canberra Grammar School vs St Edmund's College Canberra
A head-to-head comparison of two combined schools in Australian Capital Territory, 1.6 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Canberra Grammar School
Red Hill · Independent combined · K-12
2,116 students · ICSEA 1187
St Edmund's College Canberra
Griffith · Independent combined · 4-12
935 students · ICSEA 1080
| Measure | Canberra Grammar School Red Hill ACT | St Edmund's College Canberra Griffith ACT |
|---|---|---|
| Success Index | 78 Top 25% | 66 Top 25% |
| State rank (type) | #5 of 23 | #14 of 23 |
| National rank (type) | #143 of 1,259 | #348 of 1,259 |
| Sector | Independent | Independent |
| Type | Combined | Combined |
| Year range | K-12 | 4-12 |
| Students | 2,116 | 935 |
| Girls / boys | 904 / 1,212 | 0 / 935 |
| Foundation intake | 88 | – |
| Year 7 cohort | 212 | 166 |
| Year 12 cohort | 217 | 78 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +5% | +26% |
| ICSEA Average 1000 | 1187 | 1080 |
| ICSEA percentile | 99th | 79th |
| Top SEA quarter | 77% | 32% |
| Bottom SEA quarter | 1% | 7% |
| Students per teacher | 12.0 | 13.1 |
| Teaching staff (FTE) | 176.1 | 71.3 |
| Non-teaching staff (FTE) | 154.6 | 31.5 |
| Language background other than English | 19% | 6% |
| Indigenous students | 1% | 5% |
| Suburb | Red Hill 2603 | Griffith 2603 |
| Council area | Unincorporated ACT | Unincorporated ACT |
| Remoteness | Major Cities | Major Cities |
| Website | www.cgs.act.edu.au/ | sec.act.edu.au/ |
The verdict
- •Canberra Grammar School scores higher on the Success Index (77.5 vs 65.8).
- •Canberra Grammar School has the higher ICSEA (1187 vs 1080), indicating a more advantaged community.
- •Canberra Grammar School has fewer students per teacher (12.0 vs 13.1).
- •Canberra Grammar School is the larger school with 2,116 students compared with 935.
- •St Edmund's College Canberra has grown faster over five years (26% vs 5%).
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 Canberra Grammar School better than St Edmund's College Canberra?
On the Success Index, Canberra Grammar School ranks higher (77.5 vs 65.8 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 Canberra Grammar School and St Edmund's College Canberra?
About 1.6 km in a straight line, between Red Hill and Griffith in Australian Capital Territory.
Which has the better student-to-teacher ratio?
Canberra Grammar School has 12.0 students per full-time-equivalent teacher and St Edmund's College Canberra has 13.1.
How do Canberra Grammar School and St Edmund's College Canberra rank in ACT?
Canberra Grammar School is 5th of 23 and St Edmund's College Canberra is 14th of 23 among combined schools in Australian Capital Territory on the 2025 Success Index.