Catholic · Primary · Altona
St Mary's School
St Mary's School is a Catholic primary school in Altona, Victoria, teaching year levels Prep-6 to 259 students.
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ICSEA reflects the socio-educational background of students at this school - it is an intake measure, not a teaching quality or outcomes ranking. National average is 1000. Range is roughly 500–1300. This school's ICSEA places it above 72% of Australian schools.
St Mary's School had 259 students in 2025, compared with 287 in 2016 (down 10%).
Total enrolments as reported to ACARA each August. A year marked "-" was not published for this school. Enrolment counts how many students attend, not how good a school is. Source: ACARA School Profile 2008-2025 (Data Access Program).
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Open Move Planner → Altona Get a one-page family report for Altona →Catchment zone shown where matched to official VIC government data.
Map: © OpenStreetMap contributors. School pin is approximate (ACARA geocoded location).
View all Victoria schools on the map →The suburb: Altona
Figures are for the Altona statistical area (SA2), which contains the school. SA2 boundaries do not always equal suburb boundaries, and childcare services are matched by suburb name. See the full Altona profile →
Nearest schools to St Mary's School
Listed nearest first. Distance is a straight line between ACARA school locations, not travel distance, and the order is not a ranking.
To see where St Mary's School sits among other suburbs, open the map of Victoria suburbs.
Questions about St Mary's School
How many students go to St Mary's School?
St Mary's School has 259 students enrolled (121 boys and 138 girls), according to the ACARA School Profile 2025.
What year levels does St Mary's School teach?
St Mary's School teaches year levels Prep-6. ACARA lists it as a primary school.
Is St Mary's School a government or non-government school?
St Mary's School is a Catholic school in Altona, Victoria.
What does the ICSEA of 1060 at St Mary's School mean?
ICSEA, the Index of Community Socio-Educational Advantage, describes the family background of the students enrolled at a school, such as parents' education and occupation. The national average is 1000. St Mary's School has an ICSEA of 1060, which places it above 72% of Australian schools. It measures student intake, not teaching quality or results.
How many childcare services are near St Mary's School?
11 childcare services are listed on the ACECQA national register for Altona, the statistical area around the school. Services are matched by suburb name.
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Source: ACARA School Profile & School Location 2025 (Data Access Program). VIC, NSW and QLD government catchment zones from DET School Zones 2027, NSW DoE School Intake Zones 2026 and Queensland Department of Education state school catchments 2026 (CC BY 4.0). ICSEA is a socio-educational intake index - it measures student background, not teaching quality or outcomes. Methodology →