Catholic · Primary · Sunbury
Holy Trinity Catholic Primary School
Holy Trinity Catholic Primary School is a Catholic primary school in Sunbury, Victoria, teaching year levels Prep-6 to 431 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 74% of Australian schools.
Holy Trinity Catholic Primary School had 431 students in 2025, compared with 63 in 2019 (up 584%).
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 → Sunbury Get a one-page family report for Sunbury - South →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: Sunbury - South
Figures are for the Sunbury - South 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 Sunbury - South profile →
Nearest schools to Holy Trinity Catholic Primary 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 Holy Trinity Catholic Primary School sits among other suburbs, open the map of Victoria suburbs.
Questions about Holy Trinity Catholic Primary School
How many students go to Holy Trinity Catholic Primary School?
Holy Trinity Catholic Primary School has 431 students enrolled (217 boys and 214 girls), according to the ACARA School Profile 2025.
What year levels does Holy Trinity Catholic Primary School teach?
Holy Trinity Catholic Primary School teaches year levels Prep-6. ACARA lists it as a primary school.
Is Holy Trinity Catholic Primary School a government or non-government school?
Holy Trinity Catholic Primary School is a Catholic school in Sunbury, Victoria.
What does the ICSEA of 1065 at Holy Trinity Catholic Primary 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. Holy Trinity Catholic Primary School has an ICSEA of 1065, which places it above 74% of Australian schools. It measures student intake, not teaching quality or results.
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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 →