Haileybury College vs St Mark's School
A head-to-head comparison of two schools in Victoria, 1.8 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Haileybury College
Keysborough · Independent combined · Prep-12
4,880 students · ICSEA 1191
St Mark's School
Dingley Village · Catholic primary · Prep-6
421 students · ICSEA 1083
| Measure | Haileybury College Keysborough VIC | St Mark's School Dingley Village VIC |
|---|---|---|
| Success Index | 84 Top 5% | 68 Top 25% |
| State rank (type) | #29 of 239 | #454 of 1,290 |
| National rank (type) | #55 of 1,259 | #1168 of 4,908 |
| Sector | Independent | Catholic |
| Type | Combined | Primary |
| Year range | Prep-12 | Prep-6 |
| Students | 4,880 | 421 |
| Girls / boys | 2,300 / 2,580 | 198 / 223 |
| Foundation intake | 197 | 65 |
| Year 7 cohort | 526 | – |
| Year 12 cohort | 558 | – |
| VCE median study score VCAA, latest year | 35 | – |
| VCE study scores 40+ | 26.5% | – |
| 5-year enrolment growth | +16% | -6% |
| ICSEA Average 1000 | 1191 | 1083 |
| ICSEA percentile | 99th | 79th |
| Top SEA quarter | 73% | 30% |
| Bottom SEA quarter | 1% | 9% |
| Students per teacher | 9.9 | 14.3 |
| Teaching staff (FTE) | 490.5 | 29.4 |
| Non-teaching staff (FTE) | 307.3 | 9.7 |
| Language background other than English | 49% | 55% |
| Indigenous students | 0% | 0% |
| Suburb | Keysborough 3173 | Dingley Village 3172 |
| Council area | Greater Dandenong | Kingston (Vic.) |
| Remoteness | Major Cities | Major Cities |
| Website | www.haileybury.com.au/ | www.smdingley.catholic.edu.au |
The verdict
- •Haileybury College scores higher on the Success Index (83.7 vs 68.4).
- •Haileybury College has the higher ICSEA (1191 vs 1083), indicating a more advantaged community.
- •Haileybury College has fewer students per teacher (9.9 vs 14.3).
- •Haileybury College is the larger school with 4,880 students compared with 421.
- •Haileybury College has grown faster over five years (16% vs -6%).
- •Haileybury College is a independent school while St Mark's 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.
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Frequently asked questions
Is Haileybury College better than St Mark's School?
On the Success Index, Haileybury College ranks higher (83.7 vs 68.4 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 Haileybury College and St Mark's School?
About 1.8 km in a straight line, between Keysborough and Dingley Village in Victoria.
Which has the better student-to-teacher ratio?
Haileybury College has 9.9 students per full-time-equivalent teacher and St Mark's School has 14.3.
How do Haileybury College and St Mark's School rank in VIC?
Haileybury College is 29th of 239 and St Mark's School is 454th of 1,290 among combined schools in Victoria on the 2025 Success Index.