Laburnum Primary School vs Our Lady of Sion College
A head-to-head comparison of two schools in Victoria, 1.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Laburnum Primary School
Blackburn · Government primary · Prep-6
619 students · ICSEA 1159
Our Lady of Sion College
Box Hill · Catholic high school · 7-12
930 students · ICSEA 1111
| Measure | Laburnum Primary School Blackburn VIC | Our Lady of Sion College Box Hill VIC |
|---|---|---|
| Success Index | 76 Top 10% | 76 Top 10% |
| State rank (type) | #232 of 1,290 | #63 of 348 |
| National rank (type) | #476 of 4,908 | #136 of 1,472 |
| Sector | Government | Catholic |
| Type | Primary | Secondary |
| Year range | Prep-6 | 7-12 |
| Students | 619 | 930 |
| Girls / boys | 290 / 329 | 930 / 0 |
| Foundation intake | 68 | – |
| Year 7 cohort | – | 183 |
| Year 12 cohort | – | 140 |
| VCE median study score VCAA, latest year | – | 32 |
| VCE study scores 40+ | – | 13.6% |
| 5-year enrolment growth | -15% | -5% |
| ICSEA Average 1000 | 1159 | 1111 |
| ICSEA percentile | 96th | 87th |
| Top SEA quarter | 63% | 42% |
| Bottom SEA quarter | 4% | 4% |
| Students per teacher | 16.0 | 11.6 |
| Teaching staff (FTE) | 38.8 | 80.2 |
| Non-teaching staff (FTE) | 7.7 | 38.9 |
| Language background other than English | 74% | 8% |
| Indigenous students | 0% | 0% |
| Suburb | Blackburn 3130 | Box Hill 3128 |
| Council area | Whitehorse | Whitehorse |
| Remoteness | Major Cities | Major Cities |
| Website | www.laburnumps.vic.edu.au | www.sion.catholic.edu.au |
The verdict
- •Both schools have almost identical Success Index scores (75.8 vs 76.0).
- •Laburnum Primary School has the higher ICSEA (1159 vs 1111), indicating a more advantaged community.
- •Our Lady of Sion College has fewer students per teacher (11.6 vs 16.0).
- •Our Lady of Sion College is the larger school with 930 students compared with 619.
- •Our Lady of Sion College has grown faster over five years (-5% vs -15%).
- •Laburnum Primary School is a government school while Our Lady of Sion 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 Laburnum Primary School better than Our Lady of Sion College?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Laburnum Primary School and Our Lady of Sion College?
About 1.2 km in a straight line, between Blackburn and Box Hill in Victoria.
Which has the better student-to-teacher ratio?
Laburnum Primary School has 16.0 students per full-time-equivalent teacher and Our Lady of Sion College has 11.6.
How do Laburnum Primary School and Our Lady of Sion College rank in VIC?
Laburnum Primary School is 232nd of 1,290 and Our Lady of Sion College is 63rd of 348 among primary schools in Victoria on the 2025 Success Index.