Galston High School vs Marian Catholic College
A head-to-head comparison of two secondary schools in New South Wales, 4.4 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Galston High School
Galston · Government high school · 7-12
570 students · ICSEA 1044
Marian Catholic College
Kenthurst · Catholic high school · 7-12
1,035 students · ICSEA 1073
| Measure | Galston High School Galston NSW | Marian Catholic College Kenthurst NSW |
|---|---|---|
| Success Index | 63 Top 50% | 67 Top 25% |
| State rank (type) | #170 of 539 | #146 of 539 |
| National rank (type) | #435 of 1,472 | #356 of 1,472 |
| Sector | Government | Catholic |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 570 | 1,035 |
| Girls / boys | 282 / 288 | 569 / 466 |
| Foundation intake | – | – |
| Year 7 cohort | 113 | 219 |
| Year 12 cohort | 76 | 118 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -7% | +1% |
| ICSEA Average 1000 | 1044 | 1073 |
| ICSEA percentile | 66th | 76th |
| Top SEA quarter | 19% | 27% |
| Bottom SEA quarter | 20% | 11% |
| Students per teacher | 11.0 | 13.9 |
| Teaching staff (FTE) | 52.0 | 74.6 |
| Non-teaching staff (FTE) | 14.1 | 19.5 |
| Language background other than English | 20% | 21% |
| Indigenous students | 2% | 2% |
| Suburb | Galston 2159 | Kenthurst 2156 |
| Council area | Hornsby | The Hills |
| Remoteness | Major Cities | Major Cities |
| Website | galston-h.schools.nsw.gov.au | mariankenthurst.catholic.edu.au/ |
The verdict
- •Marian Catholic College scores higher on the Success Index (67.1 vs 63.3).
- •Marian Catholic College has the higher ICSEA (1073 vs 1044), indicating a more advantaged community.
- •Galston High School has fewer students per teacher (11.0 vs 13.9).
- •Marian Catholic College is the larger school with 1,035 students compared with 570.
- •Marian Catholic College has grown faster over five years (1% vs -7%).
- •Galston High School is a government school while Marian Catholic College 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 Galston High School better than Marian Catholic College?
On the Success Index, Marian Catholic College ranks higher (67.1 vs 63.3 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 Galston High School and Marian Catholic College?
About 4.4 km in a straight line, between Galston and Kenthurst in New South Wales.
Which has the better student-to-teacher ratio?
Galston High School has 11.0 students per full-time-equivalent teacher and Marian Catholic College has 13.9.
How do Galston High School and Marian Catholic College rank in NSW?
Galston High School is 170th of 539 and Marian Catholic College is 146th of 539 among secondary schools in New South Wales on the 2025 Success Index.