CatholicPrimaryYears Prep-6· Major Cities

St Mary's School

Altona, VIC 3018 · Victorian Catholic Education Authority

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ICSEA

1060

72th percentile nationally

Top tier

Total enrolments

259

Primary

Student–teacher ratio

13:1

19.8 FTE teachers

Gender mix

53% / 47%

girls / boys

Language background

15%

non-English at home

Socio-educational advantage

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

Bottom: 13%

Lower-mid: 30%

Upper-mid: 36%

Top: 21%

Explore Altona, VICLiveability 53

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Other schools in Altona

Altona Primary School

Government · Primary

1111

Seaholme Primary School

Government · Primary

1105

Mount St Joseph Girls' College

Catholic · Secondary

1100

Altona College

Government · Combined

1044

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.