Heidelberg Primary School vs Our Lady of Mercy College
A head-to-head comparison of two schools in Victoria, 359 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Heidelberg Primary School
Heidelberg · Government primary · Prep-6
498 students · ICSEA 1141
Our Lady of Mercy College
Heidelberg · Catholic high school · 7-12
1,175 students · ICSEA 1111
| Measure | Heidelberg Primary School Heidelberg VIC | Our Lady of Mercy College Heidelberg VIC |
|---|---|---|
| Success Index | 81 Top 5% | 77 Top 10% |
| State rank (type) | #99 of 1,290 | #50 of 348 |
| National rank (type) | #167 of 4,908 | #118 of 1,472 |
| Sector | Government | Catholic |
| Type | Primary | Secondary |
| Year range | Prep-6 | 7-12 |
| Students | 498 | 1,175 |
| Girls / boys | 250 / 248 | 1,175 / 0 |
| Foundation intake | 50 | – |
| Year 7 cohort | – | 203 |
| Year 12 cohort | – | 193 |
| VCE median study score VCAA, latest year | – | 33 |
| VCE study scores 40+ | – | 10.3% |
| 5-year enrolment growth | -17% | -2% |
| ICSEA Average 1000 | 1141 | 1111 |
| ICSEA percentile | 93th | 87th |
| Top SEA quarter | 57% | 42% |
| Bottom SEA quarter | 5% | 5% |
| Students per teacher | 12.7 | 12.2 |
| Teaching staff (FTE) | 39.3 | 96.4 |
| Non-teaching staff (FTE) | 13.2 | 43.5 |
| Language background other than English | 43% | 27% |
| Indigenous students | 1% | 0% |
| Suburb | Heidelberg 3084 | Heidelberg 3084 |
| Council area | Banyule | Banyule |
| Remoteness | Major Cities | Major Cities |
| Website | heidelbergps.vic.edu.au | www.olmcheidelberg.catholic.edu.au |
The verdict
- •Heidelberg Primary School scores higher on the Success Index (80.5 vs 76.8).
- •Heidelberg Primary School has the higher ICSEA (1141 vs 1111), indicating a more advantaged community.
- •Our Lady of Mercy College is the larger school with 1,175 students compared with 498.
- •Our Lady of Mercy College has grown faster over five years (-2% vs -17%).
- •Heidelberg Primary School is a government school while Our Lady of Mercy 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 Heidelberg Primary School better than Our Lady of Mercy College?
On the Success Index, Heidelberg Primary School ranks higher (80.5 vs 76.8 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 Heidelberg Primary School and Our Lady of Mercy College?
About 359 m in a straight line, between Heidelberg and Heidelberg in Victoria.
Which has the better student-to-teacher ratio?
Heidelberg Primary School has 12.7 students per full-time-equivalent teacher and Our Lady of Mercy College has 12.2.
How do Heidelberg Primary School and Our Lady of Mercy College rank in VIC?
Heidelberg Primary School is 99th of 1,290 and Our Lady of Mercy College is 50th of 348 among primary schools in Victoria on the 2025 Success Index.