Karratha Senior High School vs St Luke's College
A head-to-head comparison of two secondary schools in Western Australia, 958 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Karratha Senior High School
Karratha · Government high school · 7-12
1,253 students · ICSEA 918
St Luke's College
Karratha · Catholic high school · 7-12
594 students · ICSEA 1010
| Measure | Karratha Senior High School Karratha WA | St Luke's College Karratha WA |
|---|---|---|
| Success Index | 23 Lower 50% | 48 Lower 50% |
| State rank (type) | #129 of 140 | #63 of 140 |
| National rank (type) | #1348 of 1,472 | #785 of 1,472 |
| Sector | Government | Catholic |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 1,253 | 594 |
| Girls / boys | 557 / 696 | 316 / 278 |
| Foundation intake | – | – |
| Year 7 cohort | 223 | 138 |
| Year 12 cohort | 174 | 50 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +4% | +64% |
| ICSEA Average 1000 | 918 | 1010 |
| ICSEA percentile | 14th | 51th |
| Top SEA quarter | 6% | 13% |
| Bottom SEA quarter | 42% | 17% |
| Students per teacher | 12.6 | 14.1 |
| Teaching staff (FTE) | 99.1 | 42.0 |
| Non-teaching staff (FTE) | 49.3 | 16.3 |
| Language background other than English | 24% | 14% |
| Indigenous students | 30% | 7% |
| Suburb | Karratha 6714 | Karratha 6714 |
| Council area | Karratha | Karratha |
| Remoteness | Remote | Remote |
| Website | www.det.wa.edu.au/schoolsonline/overview.do?schoolID=4056 | www.stlukescollege.wa.edu.au |
The verdict
- •St Luke's College scores higher on the Success Index (47.7 vs 23.3).
- •St Luke's College has the higher ICSEA (1010 vs 918), indicating a more advantaged community.
- •Karratha Senior High School has fewer students per teacher (12.6 vs 14.1).
- •Karratha Senior High School is the larger school with 1,253 students compared with 594.
- •St Luke's College has grown faster over five years (64% vs 4%).
- •Karratha Senior High School is a government school while St Luke's 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 Karratha Senior High School better than St Luke's College?
On the Success Index, St Luke's College ranks higher (47.7 vs 23.3 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 Karratha Senior High School and St Luke's College?
About 958 m in a straight line, between Karratha and Karratha in Western Australia.
Which has the better student-to-teacher ratio?
Karratha Senior High School has 12.6 students per full-time-equivalent teacher and St Luke's College has 14.1.
How do Karratha Senior High School and St Luke's College rank in WA?
Karratha Senior High School is 129th of 140 and St Luke's College is 63rd of 140 among secondary schools in Western Australia on the 2025 Success Index.