Catholic · Combined · Sydney
St Mary's Cathedral College
St Mary's Cathedral College is a Catholic combined school in Sydney, New South Wales, teaching year levels K-12 to 937 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 90% of Australian schools.
St Mary's Cathedral College had 937 students in 2025, compared with 739 in 2016 (up 27%).
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 → Sydney Get a one-page family report for Sydney (North) - Millers Point →Catchment zone shown where matched to official NSW government data.
Map: © OpenStreetMap contributors. School pin is approximate (ACARA geocoded location).
View all New South Wales schools on the map →The suburb: Sydney (North) - Millers Point
Figures are for the Sydney (North) - Millers Point 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 Sydney (North) - Millers Point profile →
Nearest schools to St Mary's Cathedral College
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 Cathedral College sits among other suburbs, open the map of New South Wales suburbs.
Questions about St Mary's Cathedral College
How many students go to St Mary's Cathedral College?
St Mary's Cathedral College has 937 students enrolled (810 boys and 127 girls), according to the ACARA School Profile 2025.
What year levels does St Mary's Cathedral College teach?
St Mary's Cathedral College teaches year levels K-12. ACARA lists it as a combined school.
Is St Mary's Cathedral College a government or non-government school?
St Mary's Cathedral College is a Catholic school in Sydney, New South Wales.
What does the ICSEA of 1125 at St Mary's Cathedral College 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 Cathedral College has an ICSEA of 1125, which places it above 90% of Australian schools. It measures student intake, not teaching quality or results.
How many childcare services are near St Mary's Cathedral College?
15 childcare services are listed on the ACECQA national register for Sydney (North) - Millers Point, 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 →