Balaklava High School vs Mount Gambier High School
A head-to-head comparison of two secondary schools in South Australia, 460 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Balaklava High School
Balaklava · Government high school · U, 7-12
425 students · ICSEA 948
Mount Gambier High School
Mount Gambier · Government high school · U, 7-12
778 students · ICSEA 946
| Measure | Balaklava High School Balaklava SA | Mount Gambier High School Mount Gambier SA |
|---|---|---|
| Success Index | 32 Lower 50% | 26 Lower 50% |
| State rank (type) | #64 of 84 | #72 of 84 |
| National rank (type) | #1137 of 1,472 | #1293 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | U, 7-12 | U, 7-12 |
| Students | 425 | 778 |
| Girls / boys | 205 / 220 | 390 / 388 |
| Foundation intake | – | – |
| Year 7 cohort | 57 | 142 |
| Year 12 cohort | 64 | 119 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +28% | +6% |
| ICSEA Average 1000 | 948 | 946 |
| ICSEA percentile | 24th | 23th |
| Top SEA quarter | 4% | 4% |
| Bottom SEA quarter | 57% | 54% |
| Students per teacher | 12.7 | 13.9 |
| Teaching staff (FTE) | 33.5 | 55.9 |
| Non-teaching staff (FTE) | 17.9 | 34.1 |
| Language background other than English | 6% | 10% |
| Indigenous students | 5% | 7% |
| Suburb | Balaklava 5461 | Mount Gambier 5290 |
| Council area | Wakefield | Mount Gambier |
| Remoteness | Inner Regional | Outer Regional |
| Website | www.balakhs.sa.edu.au | www.mghs.sa.edu.au |
The verdict
- •Balaklava High School scores higher on the Success Index (31.8 vs 25.6).
- •Balaklava High School has the higher ICSEA (948 vs 946), indicating a more advantaged community.
- •Balaklava High School has fewer students per teacher (12.7 vs 13.9).
- •Mount Gambier High School is the larger school with 778 students compared with 425.
- •Balaklava High School has grown faster over five years (28% vs 6%).
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 Balaklava High School better than Mount Gambier High School?
On the Success Index, Balaklava High School ranks higher (31.8 vs 25.6 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 Balaklava High School and Mount Gambier High School?
About 460 km in a straight line, between Balaklava and Mount Gambier in South Australia.
Which has the better student-to-teacher ratio?
Balaklava High School has 12.7 students per full-time-equivalent teacher and Mount Gambier High School has 13.9.
How do Balaklava High School and Mount Gambier High School rank in SA?
Balaklava High School is 64th of 84 and Mount Gambier High School is 72nd of 84 among secondary schools in South Australia on the 2025 Success Index.