St Luke's College
Updated Oct 2026 · ACARA 2025Karratha, Western Australia 6714 · Karratha LGA
About St Luke's College
St Luke's College is a catholic high school located in Karratha, Western Australia (6714), within the Karratha local government area. It caters for students from 7 to 12 and in 2025 enrolled 594 students (316 girls and 278 boys). The school is affiliated with Catholic Education Western Australia.
St Luke's College has an ICSEA value of 1010, indicating a socio-educational profile close to the national average of 1000. That places it in the 51st percentile of Australian schools. 13% of students come from the top socio-educational quarter and 17% from the bottom quarter.
The school employs 42 teachers (42.0 full-time equivalent) and 17 non-teaching staff, giving a student-to-teacher ratio of about 14.1 to 1. Enrolments have grown by 64% over the past five years.
On the Success Index, St Luke's College scores 47.7 out of 100, placing it in the lower 50% of secondary schools nationally and 63rd of 140 secondary schools in WA (1st of 2 in the Karratha area).
Year 12 ATAR results (2025)
The School Curriculum and Standards Authority lists, for every ATAR course, the schools whose students had combined scores in the top 15% of that course. St Luke's College appears for 1 course.
Courses
Religion and Life
WA does not publish median ATARs by school; this list is the official per-school measure of top-end achievement. See WA schools with the most top-performing ATAR students.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1010
- Students in the top advantage quarter (15%)13% of students
- Teacher resourcing (students per teacher) (15%)14.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)+64% enrolments since 2020
- ICSEA trend (5 years) (10%)-29 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How St Luke's College's 594 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Luke's College have changed over the past decade.
Free academic assessment
Is your child on track at St Luke's College?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
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Schools near St Luke's College
Closest schools by straight-line distance, with their Success Index.
Millars Well Primary School
Karratha · Government primary · K-6
301 students · ICSEA 925 · 854 m away
Karratha Senior High School
Karratha · Government high school · 7-12
1,253 students · ICSEA 918 · 958 m away
Tambrey Primary School
Karratha · Government primary · K-6
683 students · ICSEA 930 · 1.9 km away
Baynton West Primary School
Baynton · Government primary · K-6
830 students · ICSEA 992 · 1.9 km away
Pegs Creek Primary School
Karratha · Government primary · K-6
234 students · ICSEA 899 · 2.0 km away
St Paul's Primary School
Karratha · Catholic primary · PP-6
339 students · ICSEA 1019 · 3.9 km away
Karratha Primary School
Karratha · Government primary · K-6
268 students · ICSEA 912 · 5.1 km away
Dampier Primary School
Dampier · Government primary · K-6
193 students · ICSEA 984 · 15 km away
Similar schools
Catholic secondary schools in WA with a comparable ICSEA.
John Paul College
Kalgoorlie · Catholic high school · 7-12
699 students · ICSEA 1010
Irene McCormack Catholic College
Butler · Catholic high school · 7-12
665 students · ICSEA 1013
Lumen Christi College
Martin · Catholic high school · 7-12
1,018 students · ICSEA 1004
Nagle Catholic College
Geraldton · Catholic high school · 7-12
1,209 students · ICSEA 1017
Our Lady of Mercy College
Australind · Catholic high school · 7-12
968 students · ICSEA 1019
La Salle College
Middle Swan · Catholic high school · 7-12
1,346 students · ICSEA 1028
Frequently asked questions
Is St Luke's College a public or private school?
St Luke's College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Western Australia.
What year levels does St Luke's College offer?
St Luke's College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend St Luke's College?
In 2025, St Luke's College had 594 enrolled students (316 girls, 278 boys), a change of 64% over five years.
What is the ICSEA of St Luke's College?
St Luke's College has an ICSEA (Index of Community Socio-Educational Advantage) of 1010. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does St Luke's College rank in WA?
St Luke's College ranks 63rd of 140 secondary schools in Western Australia on the Success Index (47.7/100), and 785th of 1,472 nationally.
What is the student-to-teacher ratio at St Luke's College?
St Luke's College has about 14.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Luke's College?
In 2025, St Luke's College had 138 students in Year 7 and 50 in Year 12.
Is St Luke's College co-ed?
Yes. St Luke's College is a co-educational school enrolling both girls and boys.
What other schools are near St Luke's College?
There are 8 other schools within 15 km of St Luke's College in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near St Luke's College?
The closest Success Tutoring centre is Success Tutoring Joondalup, about 1226 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.