GovernmentSecondaryYears U, 7-12· Outer Regional

Mount Gambier High School

Mount Gambier, SA 5290 · Department for Education South Australia

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ICSEA

946

23th percentile nationally

Below average

Total enrolments

778

Secondary

Student–teacher ratio

14:1

55.9 FTE teachers

Gender mix

50% / 50%

girls / boys

Language background

10%

non-English at home

Socio-educational advantage

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

Bottom: 54%

Lower-mid: 30%

Upper-mid: 13%

Top: 4%

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Other schools in Mount Gambier

Tenison Woods College

Catholic · Combined

1031

St Martins Lutheran College

Independent · Combined

1028

Reidy Park Primary School

Government · Primary

990

Grant High School

Government · Secondary

954

Gordon Education Centre

Government · Special

951

McDonald Park School

Government · Primary

948

Mulga Street Primary School

Government · Primary

943

Mount Gambier North Primary School

Government · Primary

888

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.