Mount Martha Primary School vs Osborne Primary School
A head-to-head comparison of two primary schools in Victoria, 3.1 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Mount Martha Primary School
Mount Martha · Government primary · Prep-6
544 students · ICSEA 1090
Osborne Primary School
Mount Martha · Government primary · Prep-6
638 students · ICSEA 1071
| Measure | Mount Martha Primary School Mount Martha VIC | Osborne Primary School Mount Martha VIC |
|---|---|---|
| Success Index | 68 Top 25% | 67 Top 25% |
| State rank (type) | #466 of 1,290 | #487 of 1,290 |
| National rank (type) | #1250 of 4,908 | #1327 of 4,908 |
| Sector | Government | Government |
| Type | Primary | Primary |
| Year range | Prep-6 | Prep-6 |
| Students | 544 | 638 |
| Girls / boys | 277 / 267 | 300 / 338 |
| Foundation intake | 60 | 95 |
| Year 7 cohort | – | – |
| Year 12 cohort | – | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -20% | -3% |
| ICSEA Average 1000 | 1090 | 1071 |
| ICSEA percentile | 81th | 76th |
| Top SEA quarter | 33% | 27% |
| Bottom SEA quarter | 7% | 12% |
| Students per teacher | 14.4 | 15.6 |
| Teaching staff (FTE) | 37.9 | 40.8 |
| Non-teaching staff (FTE) | 12.7 | 12.8 |
| Language background other than English | 5% | 6% |
| Indigenous students | 1% | 1% |
| Suburb | Mount Martha 3934 | Mount Martha 3934 |
| Council area | Mornington Peninsula | Mornington Peninsula |
| Remoteness | Major Cities | Major Cities |
| Website | www.mtmarthaps.vic.edu.au | www.osborneps.vic.edu.au |
The verdict
- •Both schools have almost identical Success Index scores (67.5 vs 66.6).
- •Mount Martha Primary School has the higher ICSEA (1090 vs 1071), indicating a more advantaged community.
- •Mount Martha Primary School has fewer students per teacher (14.4 vs 15.6).
- •Osborne Primary School is the larger school with 638 students compared with 544.
- •Osborne Primary School has grown faster over five years (-3% vs -20%).
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 Mount Martha Primary School better than Osborne Primary School?
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 Mount Martha Primary School and Osborne Primary School?
About 3.1 km in a straight line, between Mount Martha and Mount Martha in Victoria.
Which has the better student-to-teacher ratio?
Mount Martha Primary School has 14.4 students per full-time-equivalent teacher and Osborne Primary School has 15.6.
How do Mount Martha Primary School and Osborne Primary School rank in VIC?
Mount Martha Primary School is 466th of 1,290 and Osborne Primary School is 487th of 1,290 among primary schools in Victoria on the 2025 Success Index.