Government · Secondary · Mount Gambier
Grant High School
Grant High School is a government secondary school in Mount Gambier, South Australia, teaching year levels 7-12 to 978 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 26% of Australian schools.
Grant High School had 978 students in 2025, compared with 754 in 2016 (up 30%).
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 → Mount Gambier Get a one-page family report for Mount Gambier - East →Map: © OpenStreetMap contributors. School pin is approximate (ACARA geocoded location).
View all South Australia schools on the map →The suburb: Mount Gambier - East
Figures are for the Mount Gambier - East 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 Mount Gambier - East profile →
Nearest schools to Grant High 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 Grant High School sits among other suburbs, open the map of South Australia suburbs.
Questions about Grant High School
How many students go to Grant High School?
Grant High School has 978 students enrolled (549 boys and 429 girls), according to the ACARA School Profile 2025.
What year levels does Grant High School teach?
Grant High School teaches year levels 7-12. ACARA lists it as a secondary school.
Is Grant High School a government or non-government school?
Grant High School is a government school in Mount Gambier, South Australia.
What does the ICSEA of 954 at Grant High 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. Grant High School has an ICSEA of 954, which places it above 26% of Australian schools. It measures student intake, not teaching quality or results.
How many childcare services are near Grant High School?
18 childcare services are listed on the ACECQA national register for Mount Gambier - East, 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 →