Chatswood High School vs Sydney Technical High School
A head-to-head comparison of two secondary schools in New South Wales, 19 km apart, using official ACARA 2025 data. Best value in each row is highlighted.
Chatswood High School
Chatswood · Government high school · 7-12
2,147 students · ICSEA 1137
Sydney Technical High School
Bexley · Government high school · 7-12
907 students · ICSEA 1136
| Measure | Chatswood High School Chatswood NSW | Sydney Technical High School Bexley NSW |
|---|---|---|
| Success Index | 81 Top 5% | 76 Top 10% |
| State rank (type) | #17 of 539 | #49 of 539 |
| National rank (type) | #57 of 1,472 | #140 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 2,147 | 907 |
| Girls / boys | 766 / 1,381 | 0 / 907 |
| Foundation intake | – | – |
| Year 7 cohort | 381 | 150 |
| Year 12 cohort | 302 | 150 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +37% | -1% |
| ICSEA Average 1000 | 1137 | 1136 |
| ICSEA percentile | 93th | 92th |
| Top SEA quarter | 54% | 53% |
| Bottom SEA quarter | 3% | 5% |
| Students per teacher | 15.6 | 14.1 |
| Teaching staff (FTE) | 137.4 | 64.1 |
| Non-teaching staff (FTE) | 26.0 | 12.4 |
| Language background other than English | 81% | 95% |
| Indigenous students | 0% | 0% |
| Suburb | Chatswood 2067 | Bexley 2207 |
| Council area | Willoughby | Bayside (NSW) |
| Remoteness | Major Cities | Major Cities |
| Website | chatswood-h.schools.nsw.gov.au | sydneytech-h.schools.nsw.gov.au |
The verdict
- •Chatswood High School scores higher on the Success Index (80.8 vs 75.9).
- •Chatswood High School has the higher ICSEA (1137 vs 1136), indicating a more advantaged community.
- •Sydney Technical High School has fewer students per teacher (14.1 vs 15.6).
- •Chatswood High School is the larger school with 2,147 students compared with 907.
- •Chatswood High School has grown faster over five years (37% vs -1%).
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 Chatswood High School better than Sydney Technical High School?
On the Success Index, Chatswood High School ranks higher (80.8 vs 75.9 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 Chatswood High School and Sydney Technical High School?
About 19 km in a straight line, between Chatswood and Bexley in New South Wales.
Which has the better student-to-teacher ratio?
Chatswood High School has 15.6 students per full-time-equivalent teacher and Sydney Technical High School has 14.1.
How do Chatswood High School and Sydney Technical High School rank in NSW?
Chatswood High School is 17th of 539 and Sydney Technical High School is 49th of 539 among secondary schools in New South Wales on the 2025 Success Index.