Keilor Downs Secondary College vs St Mary MacKillop Primary School
A head-to-head comparison of two schools in Victoria, 661 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Keilor Downs Secondary College
Keilor Downs · Government high school · 7-12
1,223 students · ICSEA 1004
St Mary MacKillop Primary School
Keilor Downs · Catholic primary · Prep-6
502 students · ICSEA 1059
| Measure | Keilor Downs Secondary College Keilor Downs VIC | St Mary MacKillop Primary School Keilor Downs VIC |
|---|---|---|
| Success Index | 46 Lower 50% | 63 Top 50% |
| State rank (type) | #240 of 348 | #582 of 1,290 |
| National rank (type) | #833 of 1,472 | #1638 of 4,908 |
| Sector | Government | Catholic |
| Type | Secondary | Primary |
| Year range | 7-12 | Prep-6 |
| Students | 1,223 | 502 |
| Girls / boys | 617 / 606 | 257 / 245 |
| Foundation intake | – | 56 |
| Year 7 cohort | 235 | – |
| Year 12 cohort | 198 | – |
| VCE median study score VCAA, latest year | 30 | – |
| VCE study scores 40+ | 5% | – |
| 5-year enrolment growth | -12% | -13% |
| ICSEA Average 1000 | 1004 | 1059 |
| ICSEA percentile | 49th | 72th |
| Top SEA quarter | 10% | 22% |
| Bottom SEA quarter | 34% | 14% |
| Students per teacher | 12.2 | 15.4 |
| Teaching staff (FTE) | 100.4 | 32.6 |
| Non-teaching staff (FTE) | 46.5 | 14.3 |
| Language background other than English | 61% | 27% |
| Indigenous students | 1% | 0% |
| Suburb | Keilor Downs 3038 | Keilor Downs 3038 |
| Council area | Brimbank | Brimbank |
| Remoteness | Major Cities | Major Cities |
| Website | www.kdc.vic.edu.au | www.mmkeilordowns.catholic.edu.au |
The verdict
- •St Mary MacKillop Primary School scores higher on the Success Index (63.1 vs 45.6).
- •St Mary MacKillop Primary School has the higher ICSEA (1059 vs 1004), indicating a more advantaged community.
- •Keilor Downs Secondary College has fewer students per teacher (12.2 vs 15.4).
- •Keilor Downs Secondary College is the larger school with 1,223 students compared with 502.
- •Keilor Downs Secondary College is a government school while St Mary MacKillop Primary School is a catholic school, so fees and enrolment rules differ.
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Caroline Springs
Frequently asked questions
Is Keilor Downs Secondary College better than St Mary MacKillop Primary School?
On the Success Index, St Mary MacKillop Primary School ranks higher (63.1 vs 45.6 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 Keilor Downs Secondary College and St Mary MacKillop Primary School?
About 661 m in a straight line, between Keilor Downs and Keilor Downs in Victoria.
Which has the better student-to-teacher ratio?
Keilor Downs Secondary College has 12.2 students per full-time-equivalent teacher and St Mary MacKillop Primary School has 15.4.
How do Keilor Downs Secondary College and St Mary MacKillop Primary School rank in VIC?
Keilor Downs Secondary College is 240th of 348 and St Mary MacKillop Primary School is 582nd of 1,290 among secondary schools in Victoria on the 2025 Success Index.