Mount Erin Secondary College vs Somerville Secondary College
A head-to-head comparison of two secondary schools in Victoria, 6.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Mount Erin Secondary College
Frankston South · Government high school · 7-12
490 students · ICSEA 985
Somerville Secondary College
Somerville · Government high school · 7-12
582 students · ICSEA 983
| Measure | Mount Erin Secondary College Frankston South VIC | Somerville Secondary College Somerville VIC |
|---|---|---|
| Success Index | 39 Lower 50% | 53 Top 50% |
| State rank (type) | #286 of 348 | #198 of 348 |
| National rank (type) | #980 of 1,472 | #673 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 490 | 582 |
| Girls / boys | 227 / 263 | 283 / 299 |
| Foundation intake | – | – |
| Year 7 cohort | 44 | 121 |
| Year 12 cohort | 84 | 35 |
| VCE median study score VCAA, latest year | 25 | 24 |
| VCE study scores 40+ | 0.5% | 1% |
| 5-year enrolment growth | -45% | +144% |
| ICSEA Average 1000 | 985 | 983 |
| ICSEA percentile | 40th | 39th |
| Top SEA quarter | 6% | 6% |
| Bottom SEA quarter | 40% | 41% |
| Students per teacher | 11.0 | 10.8 |
| Teaching staff (FTE) | 44.5 | 53.9 |
| Non-teaching staff (FTE) | 26.0 | 19.5 |
| Language background other than English | 8% | 2% |
| Indigenous students | 4% | 4% |
| Suburb | Frankston South 3199 | Somerville 3912 |
| Council area | Frankston | Mornington Peninsula |
| Remoteness | Major Cities | Major Cities |
| Website | www.mounterin.vic.edu.au | www.somervillesc.vic.edu.au |
The verdict
- •Somerville Secondary College scores higher on the Success Index (53.3 vs 39.0).
- •Mount Erin Secondary College has the higher ICSEA (985 vs 983), indicating a more advantaged community.
- •Somerville Secondary College is the larger school with 582 students compared with 490.
- •Somerville Secondary College has grown faster over five years (144% vs -45%).
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 Erin Secondary College better than Somerville Secondary College?
On the Success Index, Somerville Secondary College ranks higher (53.3 vs 39.0 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 Mount Erin Secondary College and Somerville Secondary College?
About 6.2 km in a straight line, between Frankston South and Somerville in Victoria.
Which has the better student-to-teacher ratio?
Mount Erin Secondary College has 11.0 students per full-time-equivalent teacher and Somerville Secondary College has 10.8.
How do Mount Erin Secondary College and Somerville Secondary College rank in VIC?
Mount Erin Secondary College is 286th of 348 and Somerville Secondary College is 198th of 348 among secondary schools in Victoria on the 2025 Success Index.