IndependentCombinedYears PP-12· Outer Regional

Great Southern Grammar School

Kalgan, WA 6330 · Association of Independent Schools of WA

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ICSEA

1080

78th percentile nationally

Top tier

Total enrolments

611

Combined

Student–teacher ratio

11:1

54.7 FTE teachers

Gender mix

56% / 44%

girls / boys

Language background

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 10%

Lower-mid: 25%

Upper-mid: 30%

Top: 35%

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Other schools in Kalgan

Parklands School

Independent · Primary

1063

Australian Christian College - Southlands

Independent · Combined

1036

Little Grove Primary School

Government · Primary

1027

Albany Primary School

Government · Primary

1024

St Joseph's College

Catholic · Combined

1023

Woodbury Boston Primary School

Independent · Primary

1021

Bethel Christian School

Independent · Combined

1019

John Calvin School (Albany)

Independent · Combined

1000

Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.