Killara Primary School vs Sunbury Downs Secondary College
A head-to-head comparison of two schools in Victoria, 2.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Killara Primary School
Sunbury · Government primary · Prep-6
317 students · ICSEA 1017
Sunbury Downs Secondary College
Sunbury · Government high school · 7-12
789 students · ICSEA 1005
| Measure | Killara Primary School Sunbury VIC | Sunbury Downs Secondary College Sunbury VIC |
|---|---|---|
| Success Index | 51 Top 50% | 54 Top 50% |
| State rank (type) | #843 of 1,290 | #193 of 348 |
| National rank (type) | #2590 of 4,908 | #656 of 1,472 |
| Sector | Government | Government |
| Type | Primary | Secondary |
| Year range | Prep-6 | 7-12 |
| Students | 317 | 789 |
| Girls / boys | 153 / 164 | 372 / 417 |
| Foundation intake | 67 | – |
| Year 7 cohort | – | 178 |
| Year 12 cohort | – | 77 |
| VCE median study score VCAA, latest year | – | 27 |
| VCE study scores 40+ | – | 1.9% |
| 5-year enrolment growth | -22% | +20% |
| ICSEA Average 1000 | 1017 | 1005 |
| ICSEA percentile | 55th | 49th |
| Top SEA quarter | 15% | 12% |
| Bottom SEA quarter | 26% | 33% |
| Students per teacher | 11.9 | 12.6 |
| Teaching staff (FTE) | 26.6 | 62.5 |
| Non-teaching staff (FTE) | 4.9 | 29.9 |
| Language background other than English | 12% | 22% |
| Indigenous students | 6% | 3% |
| Suburb | Sunbury 3429 | Sunbury 3429 |
| Council area | Hume | Hume |
| Remoteness | Major Cities | Major Cities |
| Website | www.killaraps.vic.edu.au | www.sunburydowns.vic.edu.au |
The verdict
- •Sunbury Downs Secondary College scores higher on the Success Index (54.0 vs 51.4).
- •Killara Primary School has the higher ICSEA (1017 vs 1005), indicating a more advantaged community.
- •Killara Primary School has fewer students per teacher (11.9 vs 12.6).
- •Sunbury Downs Secondary College is the larger school with 789 students compared with 317.
- •Sunbury Downs Secondary College has grown faster over five years (20% vs -22%).
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 Killara Primary School better than Sunbury Downs Secondary College?
On the Success Index, Sunbury Downs Secondary College ranks higher (54.0 vs 51.4 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 Killara Primary School and Sunbury Downs Secondary College?
About 2.2 km in a straight line, between Sunbury and Sunbury in Victoria.
Which has the better student-to-teacher ratio?
Killara Primary School has 11.9 students per full-time-equivalent teacher and Sunbury Downs Secondary College has 12.6.
How do Killara Primary School and Sunbury Downs Secondary College rank in VIC?
Killara Primary School is 843rd of 1,290 and Sunbury Downs Secondary College is 193rd of 348 among primary schools in Victoria on the 2025 Success Index.