Catholic · Secondary · Gunnedah
St Mary's College
St Mary's College is a Catholic secondary school in Gunnedah, New South Wales, teaching year levels 7-12 to 411 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 36% of Australian schools.
St Mary's College had 411 students in 2025, compared with 379 in 2016 (up 8%).
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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Map: © OpenStreetMap contributors. School pin is approximate (ACARA geocoded location).
View all New South Wales schools on the map →The suburb: Gunnedah
Figures are for the Gunnedah 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 Gunnedah profile →
© State of New South Wales (Department of Communities and Justice), licensed under CC BY 4.0 (copyright notice).
Nearest schools to St Mary's 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 College sits among other suburbs, open the map of New South Wales suburbs.
Questions about St Mary's College
How many students go to St Mary's College?
St Mary's College has 411 students enrolled (190 boys and 221 girls), according to the ACARA School Profile 2025.
What year levels does St Mary's College teach?
St Mary's College teaches year levels 7-12. ACARA lists it as a secondary school.
Is St Mary's College a government or non-government school?
St Mary's College is a Catholic school in Gunnedah, New South Wales.
What does the ICSEA of 976 at St Mary's 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 College has an ICSEA of 976, which places it above 36% of Australian schools. It measures student intake, not teaching quality or results.
How many childcare services are near St Mary's College?
10 childcare services are listed on the ACECQA national register for Gunnedah, 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 →