Greythorn Primary School vs Koonung Secondary College
A head-to-head comparison of two schools in Victoria, 1.7 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Greythorn Primary School
Balwyn North · Government primary · Prep-6
434 students · ICSEA 1152
Koonung Secondary College
Mont Albert North · Government high school · 7-12
1,232 students · ICSEA 1108
| Measure | Greythorn Primary School Balwyn North VIC | Koonung Secondary College Mont Albert North VIC |
|---|---|---|
| Success Index | 77 Top 10% | 78 Top 10% |
| State rank (type) | #193 of 1,290 | #40 of 348 |
| National rank (type) | #373 of 4,908 | #90 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | Prep-6 | 7-12 |
| Students | 434 | 1,232 |
| Girls / boys | 202 / 232 | 495 / 737 |
| Foundation intake | 66 | – |
| Year 7 cohort | – | 227 |
| Year 12 cohort | – | 188 |
| VCE median study score VCAA, latest year | – | 32 |
| VCE study scores 40+ | – | 8.8% |
| 5-year enrolment growth | -16% | +18% |
| ICSEA Average 1000 | 1152 | 1108 |
| ICSEA percentile | 95th | 86th |
| Top SEA quarter | 61% | 44% |
| Bottom SEA quarter | 1% | 7% |
| Students per teacher | 16.1 | 13.4 |
| Teaching staff (FTE) | 26.9 | 91.7 |
| Non-teaching staff (FTE) | 10.7 | 34.1 |
| Language background other than English | 66% | 59% |
| Indigenous students | 0% | 0% |
| Suburb | Balwyn North 3104 | Mont Albert North 3129 |
| Council area | Boroondara | Whitehorse |
| Remoteness | Major Cities | Major Cities |
| Website | www.greythornps.vic.edu.au | www.koonung.vic.edu.au/ |
The verdict
- •Koonung Secondary College scores higher on the Success Index (78.4 vs 77.4).
- •Greythorn Primary School has the higher ICSEA (1152 vs 1108), indicating a more advantaged community.
- •Koonung Secondary College has fewer students per teacher (13.4 vs 16.1).
- •Koonung Secondary College is the larger school with 1,232 students compared with 434.
- •Koonung Secondary College has grown faster over five years (18% vs -16%).
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 Greythorn Primary School better than Koonung Secondary College?
On the Success Index, Koonung Secondary College ranks higher (78.4 vs 77.4 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 Greythorn Primary School and Koonung Secondary College?
About 1.7 km in a straight line, between Balwyn North and Mont Albert North in Victoria.
Which has the better student-to-teacher ratio?
Greythorn Primary School has 16.1 students per full-time-equivalent teacher and Koonung Secondary College has 13.4.
How do Greythorn Primary School and Koonung Secondary College rank in VIC?
Greythorn Primary School is 193rd of 1,290 and Koonung Secondary College is 40th of 348 among primary schools in Victoria on the 2025 Success Index.