Baulkham Hills High School vs Gilroy Catholic College
A head-to-head comparison of two secondary schools in New South Wales, 1.2 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Baulkham Hills High School
Baulkham Hills · Government high school · 7-12
1,223 students · ICSEA 1203
Gilroy Catholic College
Castle Hill · Catholic high school · 7-12
1,307 students · ICSEA 1096
| Measure | Baulkham Hills High School Baulkham Hills NSW | Gilroy Catholic College Castle Hill NSW |
|---|---|---|
| Success Index | 76 Top 10% | 73 Top 25% |
| State rank (type) | #50 of 539 | #68 of 539 |
| National rank (type) | #142 of 1,472 | #196 of 1,472 |
| Sector | Government | Catholic |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,223 | 1,307 |
| Girls / boys | 500 / 723 | 666 / 641 |
| Foundation intake | – | – |
| Year 7 cohort | 192 | 239 |
| Year 12 cohort | 213 | 192 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -1% | +2% |
| ICSEA Average 1000 | 1203 | 1096 |
| ICSEA percentile | 99th | 83th |
| Top SEA quarter | 74% | 35% |
| Bottom SEA quarter | 1% | 6% |
| Students per teacher | 13.8 | 14.2 |
| Teaching staff (FTE) | 88.8 | 92.0 |
| Non-teaching staff (FTE) | 21.8 | 20.6 |
| Language background other than English | 94% | 39% |
| Indigenous students | 0% | 1% |
| Suburb | Baulkham Hills 2153 | Castle Hill 2154 |
| Council area | The Hills | The Hills |
| Remoteness | Major Cities | Major Cities |
| Website | baulkham-h.schools.nsw.gov.au | www.gilroy.catholic.edu.au |
The verdict
- •Baulkham Hills High School scores higher on the Success Index (75.8 vs 73.4).
- •Baulkham Hills High School has the higher ICSEA (1203 vs 1096), indicating a more advantaged community.
- •Gilroy Catholic College is the larger school with 1,307 students compared with 1,223.
- •Baulkham Hills High School is a government school while Gilroy 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 Baulkham Hills High School better than Gilroy Catholic College?
On the Success Index, Baulkham Hills High School ranks higher (75.8 vs 73.4 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 Baulkham Hills High School and Gilroy Catholic College?
About 1.2 km in a straight line, between Baulkham Hills and Castle Hill in New South Wales.
Which has the better student-to-teacher ratio?
Baulkham Hills High School has 13.8 students per full-time-equivalent teacher and Gilroy Catholic College has 14.2.
How do Baulkham Hills High School and Gilroy Catholic College rank in NSW?
Baulkham Hills High School is 50th of 539 and Gilroy Catholic College is 68th of 539 among secondary schools in New South Wales on the 2025 Success Index.