Overview
International Grammar School is a independent combined school in Ultimo, New South Wales, serving K-12. The school has 1,224 enrolled students. Its ICSEA value is 1170 (well above average). The student-to-teacher ratio is 9.7:1. The school is located in a SEIFA IRSD decile 10 area.
Source: ACARA School Profile 2025 (2025)
Key Facts
SectorIndependent
School TypeCombined
Year RangeK-12
Governing BodyIndependent Schools NSW
Postcode2007
RemotenessMajor Cities
ACARA ID43934
Student Background
Total Enrolments1,224
Gender Split527 girls / 697 boys
Indigenous Students2%
Language Background Other Than English26%
English Background74%
Socio-Educational Advantage Distribution
Source: ACARA School Profile (2025)
Enrolment by Year Level
1,224 students across 13 year levels (2025)
One year before Yr 160
Yr 164
Yr 262
Yr 386
Yr 481
Yr 5109
Yr 6105
Yr 7103
Source: ACARA Enrolments by Grade (2025)
Staffing
Teaching Staff132 (126.5 FTE)
Non-Teaching Staff62 (55.2 FTE)
Total Staff194
Student:Teacher Ratio9.7:1
Source: ACARA School Profile (2025)