Casey Grammar School vs Marnebek School
A head-to-head comparison of two schools in Victoria, 315 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Casey Grammar School
Cranbourne East · Independent combined · Prep-12
1,127 students · ICSEA 1099
Marnebek School
Cranbourne East · Government special · U
482 students · ICSEA 984
| Measure | Casey Grammar School Cranbourne East VIC | Marnebek School Cranbourne East VIC |
|---|---|---|
| Success Index | 65 Top 50% | – Not rated |
| State rank (type) | #108 of 239 | – |
| National rank (type) | #379 of 1,259 | – |
| Sector | Independent | Government |
| Type | Combined | Special |
| Year range | Prep-12 | U |
| Students | 1,127 | 482 |
| Girls / boys | 589 / 538 | 141 / 341 |
| Foundation intake | 75 | – |
| Year 7 cohort | 104 | – |
| Year 12 cohort | 90 | – |
| VCE median study score VCAA, latest year | 30 | – |
| VCE study scores 40+ | 4.8% | – |
| 5-year enrolment growth | +16% | +38% |
| ICSEA Average 1000 | 1099 | 984 |
| ICSEA percentile | 84th | 39th |
| Top SEA quarter | 37% | 9% |
| Bottom SEA quarter | 7% | 44% |
| Students per teacher | 13.0 | 7.9 |
| Teaching staff (FTE) | 86.8 | 60.8 |
| Non-teaching staff (FTE) | 40.3 | 108.9 |
| Language background other than English | 61% | 55% |
| Indigenous students | 0% | 2% |
| Suburb | Cranbourne East 3977 | Cranbourne East 3977 |
| Council area | Casey | Casey |
| Remoteness | Major Cities | Major Cities |
| Website | www.caseygrammar.vic.edu.au | www.marnebek.vic.edu.au |
The verdict
- •Casey Grammar School has the higher ICSEA (1099 vs 984), indicating a more advantaged community.
- •Marnebek School has fewer students per teacher (7.9 vs 13.0).
- •Casey Grammar School is the larger school with 1,127 students compared with 482.
- •Marnebek School has grown faster over five years (38% vs 16%).
- •Casey Grammar School is a independent school while Marnebek School is a government 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 Casey Grammar School better than Marnebek 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 Casey Grammar School and Marnebek School?
About 315 m in a straight line, between Cranbourne East and Cranbourne East in Victoria.
Which has the better student-to-teacher ratio?
Casey Grammar School has 13.0 students per full-time-equivalent teacher and Marnebek School has 7.9.
How do Casey Grammar School and Marnebek School rank in VIC?
Casey Grammar School is 108th of 239 and Marnebek School is unranked among combined schools in Victoria on the 2025 Success Index.