Derinya Primary School vs Mount Erin Secondary College
A head-to-head comparison of two schools in Victoria, 2.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Derinya Primary School
Frankston South · Government primary · Prep-6
834 students · ICSEA 1097
Mount Erin Secondary College
Frankston South · Government high school · 7-12
490 students · ICSEA 985
| Measure | Derinya Primary School Frankston South VIC | Mount Erin Secondary College Frankston South VIC |
|---|---|---|
| Success Index | 66 Top 25% | 39 Lower 50% |
| State rank (type) | #515 of 1,290 | #286 of 348 |
| National rank (type) | #1417 of 4,908 | #980 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | Prep-6 | 7-12 |
| Students | 834 | 490 |
| Girls / boys | 407 / 427 | 227 / 263 |
| Foundation intake | 97 | – |
| Year 7 cohort | – | 44 |
| Year 12 cohort | – | 84 |
| VCE median study score VCAA, latest year | – | 25 |
| VCE study scores 40+ | – | 0.5% |
| 5-year enrolment growth | -3% | -45% |
| ICSEA Average 1000 | 1097 | 985 |
| ICSEA percentile | 83th | 40th |
| Top SEA quarter | 36% | 6% |
| Bottom SEA quarter | 6% | 40% |
| Students per teacher | 16.2 | 11.0 |
| Teaching staff (FTE) | 51.4 | 44.5 |
| Non-teaching staff (FTE) | 12.0 | 26.0 |
| Language background other than English | 11% | 8% |
| Indigenous students | 1% | 4% |
| Suburb | Frankston South 3199 | Frankston South 3199 |
| Council area | Frankston | Frankston |
| Remoteness | Major Cities | Major Cities |
| Website | www.derinya.vic.edu.au | www.mounterin.vic.edu.au |
The verdict
- •Derinya Primary School scores higher on the Success Index (65.5 vs 39.0).
- •Derinya Primary School has the higher ICSEA (1097 vs 985), indicating a more advantaged community.
- •Mount Erin Secondary College has fewer students per teacher (11.0 vs 16.2).
- •Derinya Primary School is the larger school with 834 students compared with 490.
- •Derinya Primary School has grown faster over five years (-3% 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 Derinya Primary School better than Mount Erin Secondary College?
On the Success Index, Derinya Primary School ranks higher (65.5 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 Derinya Primary School and Mount Erin Secondary College?
About 2.2 km in a straight line, between Frankston South and Frankston South in Victoria.
Which has the better student-to-teacher ratio?
Derinya Primary School has 16.2 students per full-time-equivalent teacher and Mount Erin Secondary College has 11.0.
How do Derinya Primary School and Mount Erin Secondary College rank in VIC?
Derinya Primary School is 515th of 1,290 and Mount Erin Secondary College is 286th of 348 among primary schools in Victoria on the 2025 Success Index.