Chester Hill High School vs Sefton High School
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.
Chester Hill High School
Chester Hill · Government high school · 7-12
1,056 students · ICSEA 912
Sefton High School
Sefton · Government high school · 7-12
1,121 students · ICSEA 1033
| Measure | Chester Hill High School Chester Hill NSW | Sefton High School Sefton NSW |
|---|---|---|
| Success Index | 20 Lower 50% | 57 Top 50% |
| State rank (type) | #521 of 539 | #226 of 539 |
| National rank (type) | #1412 of 1,472 | #579 of 1,472 |
| Sector | Government | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,056 | 1,121 |
| Girls / boys | 514 / 542 | 541 / 580 |
| Foundation intake | – | – |
| Year 7 cohort | 157 | 183 |
| Year 12 cohort | 146 | 180 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -21% | +5% |
| ICSEA Average 1000 | 912 | 1033 |
| ICSEA percentile | 13th | 61th |
| Top SEA quarter | 2% | 21% |
| Bottom SEA quarter | 68% | 29% |
| Students per teacher | 10.7 | 14.8 |
| Teaching staff (FTE) | 98.5 | 76.0 |
| Non-teaching staff (FTE) | 22.4 | 14.0 |
| Language background other than English | 94% | 94% |
| Indigenous students | 0% | 0% |
| Suburb | Chester Hill 2162 | Sefton 2162 |
| Council area | Canterbury-Bankstown | Canterbury-Bankstown |
| Remoteness | Major Cities | Major Cities |
| Website | chesterhil-h.schools.nsw.gov.au | sefton-h.schools.nsw.gov.au |
The verdict
- •Sefton High School scores higher on the Success Index (57.2 vs 19.7).
- •Sefton High School has the higher ICSEA (1033 vs 912), indicating a more advantaged community.
- •Chester Hill High School has fewer students per teacher (10.7 vs 14.8).
- •Sefton High School is the larger school with 1,121 students compared with 1,056.
- •Sefton High School has grown faster over five years (5% vs -21%).
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 Chester Hill High School better than Sefton High School?
On the Success Index, Sefton High School ranks higher (57.2 vs 19.7 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 Chester Hill High School and Sefton High School?
About 1.2 km in a straight line, between Chester Hill and Sefton in New South Wales.
Which has the better student-to-teacher ratio?
Chester Hill High School has 10.7 students per full-time-equivalent teacher and Sefton High School has 14.8.
How do Chester Hill High School and Sefton High School rank in NSW?
Chester Hill High School is 521st of 539 and Sefton High School is 226th of 539 among secondary schools in New South Wales on the 2025 Success Index.