St Mary Star of the Sea College
Updated Oct 2026 · ACARA 2025Carnarvon, Western Australia 6701 · Carnarvon LGA
#144 of 172 combined schools in WA
#1107 of 1,259 nationally
About St Mary Star of the Sea College
St Mary Star of the Sea College is a catholic combined (K–12) school located in Carnarvon, Western Australia (6701), within the Carnarvon local government area. It caters for students from PP to 12 and in 2025 enrolled 321 students (147 girls and 174 boys). The school is affiliated with Catholic Education Western Australia.
St Mary Star of the Sea College has an ICSEA value of 951, indicating a socio-educational profile close to the national average of 1000. That places it in the 25th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 38% from the bottom quarter.
The school employs 27 teachers (22.5 full-time equivalent) and 18 non-teaching staff, giving a student-to-teacher ratio of about 14.3 to 1. Enrolments have grown by 12% over the past five years.
On the Success Index, St Mary Star of the Sea College scores 28.5 out of 100, placing it in the lower 50% of combined schools nationally and 144th of 172 combined schools in WA (2nd of 2 in the Carnarvon area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 951
- Students in the top advantage quarter (15%)11% of students
- Teacher resourcing (students per teacher) (15%)14.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+12% enrolments since 2020
- ICSEA trend (5 years) (10%)-45 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 Mary Star of the Sea College's 321 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary Star of the Sea College have changed over the past decade.
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Schools near St Mary Star of the Sea College
Closest schools by straight-line distance, with their Success Index.
Carnarvon School Of The Air
Carnarvon · Government primary · K-6
42 students · ICSEA 1047 · 408 m away
Carnarvon Christian School
Carnarvon · Independent primary · PP-6
71 students · ICSEA 967 · 1.1 km away
Carnarvon Community College
East Carnarvon · Government combined · K-12
447 students · ICSEA 769 · 2.9 km away
Similar schools
Catholic combined schools in WA with a comparable ICSEA.
Mercy College
Koondoola · Catholic combined · PP-12
1,574 students · ICSEA 988
St Joseph's School
Northam · Catholic combined · PP-12
721 students · ICSEA 1013
Kearnan College
Manjimup · Catholic combined · PP-12
338 students · ICSEA 1017
St Joseph's College
Albany · Catholic combined · PP-12
675 students · ICSEA 1023
Mandurah Catholic College
Mandurah · Catholic combined · PP-12
1,604 students · ICSEA 1030
Mother Teresa Catholic College
Baldivis · Catholic combined · PP-12
1,526 students · ICSEA 1034
Frequently asked questions
Is St Mary Star of the Sea College a public or private school?
St Mary Star of the Sea College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Education Western Australia.
What year levels does St Mary Star of the Sea College offer?
St Mary Star of the Sea College offers PP to 12. It is classified by ACARA as a combined school.
How many students attend St Mary Star of the Sea College?
In 2025, St Mary Star of the Sea College had 321 enrolled students (147 girls, 174 boys), a change of 12% over five years.
What is the ICSEA of St Mary Star of the Sea College?
St Mary Star of the Sea College has an ICSEA (Index of Community Socio-Educational Advantage) of 951. 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 Mary Star of the Sea College rank in WA?
St Mary Star of the Sea College ranks 144th of 172 combined schools in Western Australia on the Success Index (28.5/100), and 1107th of 1,259 nationally.
What is the student-to-teacher ratio at St Mary Star of the Sea College?
St Mary Star of the Sea College has about 14.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Mary Star of the Sea College?
In 2025, St Mary Star of the Sea College had 32 students in Year 7 and 12 in Year 12.
Is St Mary Star of the Sea College co-ed?
Yes. St Mary Star of the Sea College is a co-educational school enrolling both girls and boys.
What other schools are near St Mary Star of the Sea College?
There are 3 other schools within 15 km of St Mary Star of the Sea 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 Mary Star of the Sea College?
The closest Success Tutoring centre is Success Tutoring Joondalup, about 789 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.