Flaxmill School P-6 vs Wirreanda Secondary School
A head-to-head comparison of two schools in South Australia, 1.3 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Flaxmill School P-6
Morphett Vale · Government primary · R-6
358 students · ICSEA 950
Wirreanda Secondary School
Morphett Vale · Government high school · U, 7-12
915 students · ICSEA 913
| Measure | Flaxmill School P-6 Morphett Vale SA | Wirreanda Secondary School Morphett Vale SA |
|---|---|---|
| Success Index | 36 Lower 50% | 15 Lower 50% |
| State rank (type) | #256 of 348 | #82 of 84 |
| National rank (type) | #3732 of 4,908 | #1459 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | R-6 | U, 7-12 |
| Students | 358 | 915 |
| Girls / boys | 172 / 186 | 397 / 518 |
| Foundation intake | 68 | – |
| Year 7 cohort | – | 138 |
| Year 12 cohort | – | 115 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -3% | -9% |
| ICSEA Average 1000 | 950 | 913 |
| ICSEA percentile | 25th | 14th |
| Top SEA quarter | 4% | 1% |
| Bottom SEA quarter | 52% | 66% |
| Students per teacher | 13.0 | 13.1 |
| Teaching staff (FTE) | 27.6 | 69.7 |
| Non-teaching staff (FTE) | 15.9 | 38.0 |
| Language background other than English | 13% | 5% |
| Indigenous students | 11% | 11% |
| Suburb | Morphett Vale 5162 | Morphett Vale 5162 |
| Council area | Onkaparinga | Onkaparinga |
| Remoteness | Major Cities | Major Cities |
| Website | www.flaxmillps.sa.edu.au/ | www.wirreandasecondary.sa.edu.au |
The verdict
- •Flaxmill School P-6 scores higher on the Success Index (35.6 vs 15.2).
- •Flaxmill School P-6 has the higher ICSEA (950 vs 913), indicating a more advantaged community.
- •Wirreanda Secondary School is the larger school with 915 students compared with 358.
- •Flaxmill School P-6 has grown faster over five years (-3% vs -9%).
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 Flaxmill School P-6 better than Wirreanda Secondary School?
On the Success Index, Flaxmill School P-6 ranks higher (35.6 vs 15.2 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 Flaxmill School P-6 and Wirreanda Secondary School?
About 1.3 km in a straight line, between Morphett Vale and Morphett Vale in South Australia.
Which has the better student-to-teacher ratio?
Flaxmill School P-6 has 13.0 students per full-time-equivalent teacher and Wirreanda Secondary School has 13.1.
How do Flaxmill School P-6 and Wirreanda Secondary School rank in SA?
Flaxmill School P-6 is 256th of 348 and Wirreanda Secondary School is 82nd of 84 among primary schools in South Australia on the 2025 Success Index.