WA · Independent Combined
Great Southern Grammar School
Kalgan 6330 · PP-12
Great Southern Grammar School is an independent combined school in Kalgan, WA offering PP-12. With an ICSEA score of 1080, it sits in the 78th percentile nationally and is above the Australian average of 1,000. The school has 611 enrolled students, with approximately 10 students per teacher. 3% of students identify as Aboriginal or Torres Strait Islander, and 6% have a language background other than English.
How Great Southern Grammar School compares
By ICSEA, Great Southern Grammar School ranks 40th of the 210 combined schools in WA that report one, counting from the highest. There is no other combined school within 5 km. The nearest school is Flinders Park Primary School, a government primary school 5.1 km away.
Ranks are calculated by GDP.com.au from ACARA 2025 school profile data. Distances are straight-line from the school's ACARA location. ICSEA describes students' family backgrounds; ACARA notes it is not a rating of the school or its teaching.
ICSEA Context
ICSEA (Index of Community Socio-Educational Advantage) measures the socio-educational background of a school's student community. The Australian average is 1,000. Great Southern Grammar School scores 1080 — above average.
Enrolment and location
Great Southern Grammar School is a Independent school. Catholic and independent schools set their own enrolment policies rather than using government school zones, so contact the school about enrolment.
About Kalgan
Great Southern Grammar School is located in Kalgan, WA — a suburb with a median household income of $1,771/wk and median rent of $300/wk. Population: 840.
View full Kalgan suburb profile →Schools near Great Southern Grammar School
| School | Distance | ICSEA | vs Great Southern Grammar School | Students |
|---|---|---|---|---|
| Flinders Park Primary SchoolGovernment Primary · Albany | 5.1 km | 973 | 107 lower | 325 |
| Australian Christian College - SouthlandsIndependent Combined · Albany | 6.9 km | 1036 | 44 lower | 987 |
Frequently Asked Questions
Is Great Southern Grammar School a government school?
No, Great Southern Grammar School is a Independent school, not a government school.
What year levels does Great Southern Grammar School offer?
Great Southern Grammar School offers PP-12.
What is Great Southern Grammar School's ICSEA score?
Great Southern Grammar School has an ICSEA score of 1080, placing it in the 78th percentile nationally. The Australian average is 1,000.
How many students attend Great Southern Grammar School?
Great Southern Grammar School has 611 enrolled students, with approximately 10 students per teacher.
What schools are near Great Southern Grammar School?
The nearest schools to Great Southern Grammar School are Flinders Park Primary School (5.1 km), Australian Christian College - Southlands (6.9 km).
Where is Great Southern Grammar School located?
Great Southern Grammar School is located in Kalgan, WA 6330. Visit the school website at http://www.gsg.wa.edu.au.