Karratha Senior High School
Updated Oct 2026 · ACARA 2025Karratha, Western Australia 6714 · Karratha LGA
#129 of 140 high schools in WA
#1348 of 1,472 nationally
About Karratha Senior High School
Karratha Senior High School is a public 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 1,253 students (557 girls and 696 boys).
Karratha Senior High School has an ICSEA value of 918, indicating below-average socio-educational advantage. That places it in the 14th percentile of Australian schools. 6% of students come from the top socio-educational quarter and 42% from the bottom quarter.
The school employs 101 teachers (99.1 full-time equivalent) and 61 non-teaching staff, giving a student-to-teacher ratio of about 12.6 to 1. Enrolments have grown by 4% over the past five years.
On the Success Index, Karratha Senior High School scores 23.3 out of 100, placing it in the lower 50% of secondary schools nationally and 129th of 140 secondary schools in WA (2nd of 2 in the Karratha area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 918
- Students in the top advantage quarter (15%)6% of students
- Teacher resourcing (students per teacher) (15%)12.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+4% enrolments since 2020
- ICSEA trend (5 years) (10%)-23 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 Karratha Senior High School's 1,253 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Karratha Senior High School have changed over the past decade.
Free academic assessment
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Schools near Karratha Senior High School
Closest schools by straight-line distance, with their Success Index.
Millars Well Primary School
Karratha · Government primary · K-6
301 students · ICSEA 925 · 920 m away
St Luke's College
Karratha · Catholic high school · 7-12
594 students · ICSEA 1010 · 958 m away
Pegs Creek Primary School
Karratha · Government primary · K-6
234 students · ICSEA 899 · 1.1 km away
Tambrey Primary School
Karratha · Government primary · K-6
683 students · ICSEA 930 · 2.6 km away
Baynton West Primary School
Baynton · Government primary · K-6
830 students · ICSEA 992 · 2.8 km away
St Paul's Primary School
Karratha · Catholic primary · PP-6
339 students · ICSEA 1019 · 3.0 km away
Karratha Primary School
Karratha · Government primary · K-6
268 students · ICSEA 912 · 4.1 km away
Similar schools
Government secondary schools in WA with a comparable ICSEA.
Swan View Senior High School
Swan View · Government high school · 7-12
706 students · ICSEA 919
Armadale Senior High School
Armadale · Government high school · 7-12
762 students · ICSEA 920
Collie Senior High School
Collie · Government high school · 7-12
537 students · ICSEA 920
Champion Bay Senior High School
Geraldton · Government high school · 7-12
847 students · ICSEA 914
Clarkson Community High School
Clarkson · Government high school · 7-12
325 students · ICSEA 923
Gilmore College
Orelia · Government high school · 7-12
1,251 students · ICSEA 924
Frequently asked questions
Is Karratha Senior High School a public or private school?
Karratha Senior High School is a public (government) school run by the Western Australia education department.
What year levels does Karratha Senior High School offer?
Karratha Senior High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Karratha Senior High School?
In 2025, Karratha Senior High School had 1,253 enrolled students (557 girls, 696 boys), a change of 4% over five years.
What is the ICSEA of Karratha Senior High School?
Karratha Senior High School has an ICSEA (Index of Community Socio-Educational Advantage) of 918. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Karratha Senior High School rank in WA?
Karratha Senior High School ranks 129th of 140 secondary schools in Western Australia on the Success Index (23.3/100), and 1348th of 1,472 nationally.
What is the student-to-teacher ratio at Karratha Senior High School?
Karratha Senior High School has about 12.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Karratha Senior High School?
In 2025, Karratha Senior High School had 223 students in Year 7 and 174 in Year 12.
Is Karratha Senior High School co-ed?
Yes. Karratha Senior High School is a co-educational school enrolling both girls and boys.
What other schools are near Karratha Senior High School?
There are 7 other schools within 15 km of Karratha Senior High School 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 Karratha Senior High School?
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.