Kellyville High School vs William Clarke College
A head-to-head comparison of two schools in New South Wales, 708 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Kellyville High School
Kellyville · Government high school · 7-12
869 students · ICSEA 1086
William Clarke College
Kellyville · Independent combined · K-12
1,951 students · ICSEA 1162
| Measure | Kellyville High School Kellyville NSW | William Clarke College Kellyville NSW |
|---|---|---|
| Success Index | 71 Top 25% | 78 Top 10% |
| State rank (type) | #94 of 539 | #52 of 314 |
| National rank (type) | #256 of 1,472 | #141 of 1,259 |
| Sector | Government | Independent |
| Type | Secondary | Combined |
| Year range | 7-12 | K-12 |
| Students | 869 | 1,951 |
| Girls / boys | 412 / 457 | 990 / 961 |
| Foundation intake | – | 96 |
| Year 7 cohort | 159 | 207 |
| Year 12 cohort | 140 | 201 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | -11% | +19% |
| ICSEA Average 1000 | 1086 | 1162 |
| ICSEA percentile | 80th | 97th |
| Top SEA quarter | 34% | 65% |
| Bottom SEA quarter | 10% | 1% |
| Students per teacher | 13.0 | 12.5 |
| Teaching staff (FTE) | 66.8 | 156.4 |
| Non-teaching staff (FTE) | 16.9 | 84.4 |
| Language background other than English | 56% | 31% |
| Indigenous students | 1% | 0% |
| Suburb | Kellyville 2155 | Kellyville 2155 |
| Council area | The Hills | The Hills |
| Remoteness | Major Cities | Major Cities |
| Website | kellyville-h.schools.nsw.gov.au | www.wcc.nsw.edu.au |
The verdict
- •William Clarke College scores higher on the Success Index (77.7 vs 71.4).
- •William Clarke College has the higher ICSEA (1162 vs 1086), indicating a more advantaged community.
- •William Clarke College has fewer students per teacher (12.5 vs 13.0).
- •William Clarke College is the larger school with 1,951 students compared with 869.
- •William Clarke College has grown faster over five years (19% vs -11%).
- •Kellyville High School is a government school while William Clarke College 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.
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Frequently asked questions
Is Kellyville High School better than William Clarke College?
On the Success Index, William Clarke College ranks higher (77.7 vs 71.4 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 Kellyville High School and William Clarke College?
About 708 m in a straight line, between Kellyville and Kellyville in New South Wales.
Which has the better student-to-teacher ratio?
Kellyville High School has 13.0 students per full-time-equivalent teacher and William Clarke College has 12.5.
How do Kellyville High School and William Clarke College rank in NSW?
Kellyville High School is 94th of 539 and William Clarke College is 52nd of 314 among secondary schools in New South Wales on the 2025 Success Index.