Castle Hill High School vs St Gabriel's School for students with special needs
A head-to-head comparison of two schools in New South Wales, 1.9 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Castle Hill High School
Castle Hill · Government high school · 7-12
1,845 students · ICSEA 1121
St Gabriel's School for students with special needs
Castle Hill · Independent special · U
207 students · ICSEA 1069
| Measure | Castle Hill High School Castle Hill NSW | St Gabriel's School for students with special needs Castle Hill NSW |
|---|---|---|
| Success Index | 72 Top 25% | – Not rated |
| State rank (type) | #88 of 539 | – |
| National rank (type) | #243 of 1,472 | – |
| Sector | Government | Independent |
| Type | Secondary | Special |
| Year range | 7-12 | U |
| Students | 1,845 | 207 |
| Girls / boys | 867 / 978 | 86 / 121 |
| Foundation intake | – | – |
| Year 7 cohort | 292 | – |
| Year 12 cohort | 305 | – |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -6% | +105% |
| ICSEA Average 1000 | 1121 | 1069 |
| ICSEA percentile | 89th | 75th |
| Top SEA quarter | 48% | 28% |
| Bottom SEA quarter | 5% | 10% |
| Students per teacher | 14.8 | 5.7 |
| Teaching staff (FTE) | 124.1 | 36.4 |
| Non-teaching staff (FTE) | 19.6 | 46.5 |
| Language background other than English | 68% | 39% |
| Indigenous students | 0% | 3% |
| Suburb | Castle Hill 2154 | Castle Hill 2154 |
| Council area | The Hills | The Hills |
| Remoteness | Major Cities | Major Cities |
| Website | castlehill-h.schools.nsw.gov.au | www.stgabriels.nsw.edu.au/ |
The verdict
- •Castle Hill High School has the higher ICSEA (1121 vs 1069), indicating a more advantaged community.
- •St Gabriel's School for students with special needs has fewer students per teacher (5.7 vs 14.8).
- •Castle Hill High School is the larger school with 1,845 students compared with 207.
- •St Gabriel's School for students with special needs has grown faster over five years (105% vs -6%).
- •Castle Hill High School is a government school while St Gabriel's School for students with special needs is an independent 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 Baulkham Hills
Frequently asked questions
Is Castle Hill High School better than St Gabriel's School for students with special needs?
The two schools are very close on the Success Index. Differences in sector, size, year range and distance from home will matter more than the score.
How far apart are Castle Hill High School and St Gabriel's School for students with special needs?
About 1.9 km in a straight line, between Castle Hill and Castle Hill in New South Wales.
Which has the better student-to-teacher ratio?
Castle Hill High School has 14.8 students per full-time-equivalent teacher and St Gabriel's School for students with special needs has 5.7.
How do Castle Hill High School and St Gabriel's School for students with special needs rank in NSW?
Castle Hill High School is 88th of 539 and St Gabriel's School for students with special needs is unranked among secondary schools in New South Wales on the 2025 Success Index.