Independent · Combined · Ultimo
International Grammar School
International Grammar School is an independent combined school in Ultimo, New South Wales, teaching year levels K-12 to 1,224 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 98% of Australian schools.
International Grammar School had 1,224 students in 2025, compared with 1,129 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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Open Move Planner → Ultimo Get a one-page family report for Ultimo →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: Ultimo
Figures are for the Ultimo 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 Ultimo profile →
Nearest schools to International Grammar 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 International Grammar School sits among other suburbs, open the map of New South Wales suburbs.
Questions about International Grammar School
How many students go to International Grammar School?
International Grammar School has 1,224 students enrolled (697 boys and 527 girls), according to the ACARA School Profile 2025.
What year levels does International Grammar School teach?
International Grammar School teaches year levels K-12. ACARA lists it as a combined school.
Is International Grammar School a government or non-government school?
International Grammar School is an independent school in Ultimo, New South Wales.
What does the ICSEA of 1170 at International Grammar 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. International Grammar School has an ICSEA of 1170, which places it above 98% of Australian schools. It measures student intake, not teaching quality or results.
How many childcare services are near International Grammar School?
10 childcare services are listed on the ACECQA national register for Ultimo, 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 →