Great Southern Grammar School
Updated Oct 2026 · ACARA 2025Kalgan, Western Australia 6330 · Albany LGA
#39 of 172 combined schools in WA
#427 of 1,259 nationally
About Great Southern Grammar School
Great Southern Grammar School is an independent combined (K–12) school located in Kalgan, Western Australia (6330), within the Albany local government area. It caters for students from PP to 12 and in 2025 enrolled 611 students (344 girls and 267 boys). The school is affiliated with Association of Independent Schools of WA.
Great Southern Grammar School has an ICSEA value of 1080, indicating above-average socio-educational advantage. That places it in the 78th percentile of Australian schools. 35% of students come from the top socio-educational quarter and 10% from the bottom quarter.
The school employs 62 teachers (54.7 full-time equivalent) and 59 non-teaching staff, giving a student-to-teacher ratio of about 11.2 to 1. Enrolments have fallen by 9% over the past five years.
On the Success Index, Great Southern Grammar School scores 61.6 out of 100, placing it in the top 50% of combined schools nationally and 39th of 172 combined schools in WA (1st of 5 in the Albany area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1080
- Students in the top advantage quarter (15%)35% of students
- Teacher resourcing (students per teacher) (15%)11.2 students per teacher
- Enrolment growth vs local area (5 years) (10%)-9% enrolments since 2020 (area median -7%)
- ICSEA trend (5 years) (10%)-5 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 Great Southern Grammar School's 611 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Great Southern Grammar School have changed over the past decade.
Free academic assessment
Is your child on track at Great Southern Grammar School?
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.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Baldivis
Schools near Great Southern Grammar School
Closest schools by straight-line distance, with their Success Index.
Flinders Park Primary School
Albany · Government primary · K-6
325 students · ICSEA 973 · 5.1 km away
Australian Christian College - Southlands
Albany · Independent combined · PP-12
987 students · ICSEA 1036 · 6.9 km away
St Joseph's College
Albany · Catholic combined · PP-12
675 students · ICSEA 1023 · 8.5 km away
Spencer Park Education Support Centre
Spencer Park · Government special · K-6
60 students · ICSEA 930 · 9.0 km away
Spencer Park Primary School
Spencer Park · Government primary · K-6
303 students · ICSEA 938 · 9.0 km away
Bethel Christian School
Albany · Independent combined · PP-12
318 students · ICSEA 1019 · 10 km away
Albany Primary School
Albany · Government primary · K-6
396 students · ICSEA 1024 · 11 km away
Albany Senior High School
Albany · Government high school · 7-12
830 students · ICSEA 995 · 11 km away
Yakamia Primary School
Albany · Government primary · K-6
437 students · ICSEA 968 · 11 km away
Albany Secondary Education Support Centre
Albany · Government special · 7-12
60 students · ICSEA 944 · 11 km away
Similar schools
Independent combined schools in WA with a comparable ICSEA.
Carey Baptist College Forrestdale
Forrestdale · Independent combined · PP-12
760 students · ICSEA 1081
St Andrew's Grammar
Dianella · Independent combined · PP-12
796 students · ICSEA 1078
Treetops Montessori School
Darlington · Independent combined · PP-12
153 students · ICSEA 1083
Peter Moyes Anglican Community School
Mindarie · Independent combined · PP-12
1,441 students · ICSEA 1084
John Septimus Roe Anglican Community School
Mirrabooka · Independent combined · PP-12
1,702 students · ICSEA 1075
Geraldton Grammar School
Geraldton · Independent combined · PP-12
693 students · ICSEA 1073
Frequently asked questions
Is Great Southern Grammar School a public or private school?
Great Southern Grammar School is a Independent school, which makes it a non-government (private) school affiliated with Association of Independent Schools of WA.
What year levels does Great Southern Grammar School offer?
Great Southern Grammar School offers PP to 12. It is classified by ACARA as a combined school.
How many students attend Great Southern Grammar School?
In 2025, Great Southern Grammar School had 611 enrolled students (344 girls, 267 boys), a change of -9% over five years.
What is the ICSEA of Great Southern Grammar School?
Great Southern Grammar School has an ICSEA (Index of Community Socio-Educational Advantage) of 1080. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Great Southern Grammar School rank in WA?
Great Southern Grammar School ranks 39th of 172 combined schools in Western Australia on the Success Index (61.6/100), and 427th of 1,259 nationally.
What is the student-to-teacher ratio at Great Southern Grammar School?
Great Southern Grammar School has about 11.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Great Southern Grammar School?
In 2025, Great Southern Grammar School had 80 students in Year 7 and 59 in Year 12.
Is Great Southern Grammar School co-ed?
Yes. Great Southern Grammar School is a co-educational school enrolling both girls and boys.
What other schools are near Great Southern Grammar School?
There are 10 other schools within 15 km of Great Southern Grammar 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 Great Southern Grammar School?
The closest Success Tutoring centre is Success Tutoring Baldivis, about 352 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.