Heathfield High School vs Unley High School
A head-to-head comparison of two secondary schools in South Australia, 10 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Heathfield High School
Heathfield · Government high school · 7-12
970 students · ICSEA 1086
Unley High School
Netherby · Government high school · 7-12
1,547 students · ICSEA 1084
| Measure | Heathfield High School Heathfield SA | Unley High School Netherby SA |
|---|---|---|
| Success Index | 73 Top 25% | 68 Top 25% |
| State rank (type) | #10 of 84 | #18 of 84 |
| National rank (type) | #208 of 1,472 | #324 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 970 | 1,547 |
| Girls / boys | 460 / 510 | 665 / 882 |
| Foundation intake | – | – |
| Year 7 cohort | 167 | 249 |
| Year 12 cohort | 158 | 239 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +19% | +25% |
| ICSEA Average 1000 | 1086 | 1084 |
| ICSEA percentile | 81th | 80th |
| Top SEA quarter | 33% | 34% |
| Bottom SEA quarter | 10% | 11% |
| Students per teacher | 15.4 | 14.4 |
| Teaching staff (FTE) | 63.0 | 106.7 |
| Non-teaching staff (FTE) | 25.6 | 35.6 |
| Language background other than English | 3% | 30% |
| Indigenous students | 1% | 1% |
| Suburb | Heathfield 5153 | Netherby 5062 |
| Council area | Adelaide Hills | Mitcham |
| Remoteness | Major Cities | Major Cities |
| Website | www.hhs.sa.edu.au | www.uhs.sa.edu.au |
The verdict
- •Heathfield High School scores higher on the Success Index (73.0 vs 68.2).
- •Heathfield High School has the higher ICSEA (1086 vs 1084), indicating a more advantaged community.
- •Unley High School has fewer students per teacher (14.4 vs 15.4).
- •Unley High School is the larger school with 1,547 students compared with 970.
- •Unley High School has grown faster over five years (25% vs 19%).
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 Heathfield High School better than Unley High School?
On the Success Index, Heathfield High School ranks higher (73.0 vs 68.2 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 Heathfield High School and Unley High School?
About 10 km in a straight line, between Heathfield and Netherby in South Australia.
Which has the better student-to-teacher ratio?
Heathfield High School has 15.4 students per full-time-equivalent teacher and Unley High School has 14.4.
How do Heathfield High School and Unley High School rank in SA?
Heathfield High School is 10th of 84 and Unley High School is 18th of 84 among secondary schools in South Australia on the 2025 Success Index.