Mount Gambier High School vs Mulga Street Primary School
A head-to-head comparison of two schools in South Australia, 1.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Mount Gambier High School
Mount Gambier · Government high school · U, 7-12
778 students · ICSEA 946
Mulga Street Primary School
Mount Gambier · Government primary · R-6
189 students · ICSEA 943
| Measure | Mount Gambier High School Mount Gambier SA | Mulga Street Primary School Mount Gambier SA |
|---|---|---|
| Success Index | 26 Lower 50% | 28 Lower 50% |
| State rank (type) | #72 of 84 | #304 of 348 |
| National rank (type) | #1293 of 1,472 | #4255 of 4,908 |
| Sector | Government | Government |
| Type | Secondary | Primary |
| Year range | U, 7-12 | R-6 |
| Students | 778 | 189 |
| Girls / boys | 390 / 388 | 103 / 86 |
| Foundation intake | – | 31 |
| Year 7 cohort | 142 | – |
| Year 12 cohort | 119 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +6% | -45% |
| ICSEA Average 1000 | 946 | 943 |
| ICSEA percentile | 23th | 22th |
| Top SEA quarter | 4% | 6% |
| Bottom SEA quarter | 54% | 52% |
| Students per teacher | 13.9 | 14.1 |
| Teaching staff (FTE) | 55.9 | 13.4 |
| Non-teaching staff (FTE) | 34.1 | 13.3 |
| Language background other than English | 10% | 7% |
| Indigenous students | 7% | 13% |
| Suburb | Mount Gambier 5290 | Mount Gambier 5290 |
| Council area | Mount Gambier | Mount Gambier |
| Remoteness | Outer Regional | Outer Regional |
| Website | www.mghs.sa.edu.au | www.mulgaps.sa.edu.au |
The verdict
- •Mulga Street Primary School scores higher on the Success Index (28.3 vs 25.6).
- •Mount Gambier High School has the higher ICSEA (946 vs 943), indicating a more advantaged community.
- •Mount Gambier High School is the larger school with 778 students compared with 189.
- •Mount Gambier High School has grown faster over five years (6% 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 Gambier High School better than Mulga Street Primary School?
On the Success Index, Mulga Street Primary School ranks higher (28.3 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 Mount Gambier High School and Mulga Street Primary School?
About 1.7 km in a straight line, between Mount Gambier and Mount Gambier in South Australia.
Which has the better student-to-teacher ratio?
Mount Gambier High School has 13.9 students per full-time-equivalent teacher and Mulga Street Primary School has 14.1.
How do Mount Gambier High School and Mulga Street Primary School rank in SA?
Mount Gambier High School is 72nd of 84 and Mulga Street Primary School is 304th of 348 among secondary schools in South Australia on the 2025 Success Index.