Sacred Heart College vs St Mary's Memorial School
A head-to-head comparison of two schools in South Australia, 1.8 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Sacred Heart College
Somerton Park · Catholic combined · 7-12
2,033 students · ICSEA 1083
St Mary's Memorial School
Glenelg · Catholic primary · R-6
405 students · ICSEA 1113
| Measure | Sacred Heart College Somerton Park SA | St Mary's Memorial School Glenelg SA |
|---|---|---|
| Success Index | 64 Top 50% | 75 Top 10% |
| State rank (type) | #24 of 145 | #22 of 348 |
| National rank (type) | #384 of 1,259 | #513 of 4,908 |
| Sector | Catholic | Catholic |
| Type | Combined | Primary |
| Year range | 7-12 | R-6 |
| Students | 2,033 | 405 |
| Girls / boys | 940 / 1,093 | 221 / 184 |
| Foundation intake | – | 48 |
| Year 7 cohort | 360 | – |
| Year 12 cohort | 325 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +9% | +7% |
| ICSEA Average 1000 | 1083 | 1113 |
| ICSEA percentile | 80th | 87th |
| Top SEA quarter | 32% | 43% |
| Bottom SEA quarter | 9% | 4% |
| Students per teacher | 13.1 | 16.2 |
| Teaching staff (FTE) | 155.3 | 25.0 |
| Non-teaching staff (FTE) | 83.9 | 14.7 |
| Language background other than English | 4% | 10% |
| Indigenous students | 2% | 0% |
| Suburb | Somerton Park 5044 | Glenelg 5045 |
| Council area | Holdfast Bay | Holdfast Bay |
| Remoteness | Major Cities | Major Cities |
| Website | www.shc.sa.edu.au | www.stmarmem.catholic.edu.au |
The verdict
- •St Mary's Memorial School scores higher on the Success Index (75.3 vs 64.4).
- •St Mary's Memorial School has the higher ICSEA (1113 vs 1083), indicating a more advantaged community.
- •Sacred Heart College has fewer students per teacher (13.1 vs 16.2).
- •Sacred Heart College is the larger school with 2,033 students compared with 405.
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 Sacred Heart College better than St Mary's Memorial School?
On the Success Index, St Mary's Memorial School ranks higher (75.3 vs 64.4 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 Sacred Heart College and St Mary's Memorial School?
About 1.8 km in a straight line, between Somerton Park and Glenelg in South Australia.
Which has the better student-to-teacher ratio?
Sacred Heart College has 13.1 students per full-time-equivalent teacher and St Mary's Memorial School has 16.2.
How do Sacred Heart College and St Mary's Memorial School rank in SA?
Sacred Heart College is 24th of 145 and St Mary's Memorial School is 22nd of 348 among combined schools in South Australia on the 2025 Success Index.