International Grammar School
International Grammar School is an independent combined school in Ultimo, NSW offering K-12. With an ICSEA score of 1170, it sits in the 98th percentile nationally and is well above the Australian average of 1,000. The school has 1,224 enrolled students, with approximately 9 students per teacher. 2% of students identify as Aboriginal or Torres Strait Islander, and 26% have a language background other than English.
Ultimo NSW 2007. Source: ACARA School Profile 2025.
Valid: 2025 school year · Source: ACARA School Profile 2025
How International Grammar School compares
By ICSEA, International Grammar School ranks 21st of the 441 combined schools in NSW that report one, counting from the highest. Of the 14 combined schools within 5 km, it has the 5th-highest ICSEA and the 5th-largest enrolment. The nearest school is Australian Performing Arts Grammar School, an independent secondary school 0.3 km away.
Ranks are calculated by GDP.com.au from ACARA 2025 school profile data. Distances are straight-line from the school's ACARA location. ICSEA describes students' family backgrounds; ACARA notes it is not a rating of the school or its teaching.
ICSEA against the national average
ICSEA (Index of Community Socio-Educational Advantage) measures the socio-educational background of a school's student community. The Australian average is 1,000. International Grammar School scores 1170, well above average.
Enrolment and location
International Grammar School is a Independent school. Catholic and independent schools set their own enrolment policies rather than using government school zones, so contact the school about enrolment.
About Ultimo
International Grammar School is located in Ultimo, NSW, a suburb with a median household income of $1,805/wk and median rent of $500/wk. Population: 7,410.
Valid: Census 2021 · Source: ABS
Ultimo suburb profileSchools near International Grammar School
| School | Distance | ICSEA | vs International Grammar School | Students |
|---|---|---|---|---|
| GOAL CollegeIndependent Secondary · Ultimo | 0.4 km | 1027 | 143 lower | 204 |
| Ultimo Public SchoolGovernment Primary · Ultimo | 0.6 km | 1088 | 82 lower | 483 |
| Sydney Secondary College Blackwattle Bay CampusGovernment Secondary · Glebe | 1.0 km | 1094 | 76 lower | 798 |
Frequently Asked Questions
Is International Grammar School a government school?
No, International Grammar School is a Independent school, not a government school.
What year levels does International Grammar School offer?
International Grammar School offers K-12.
What is International Grammar School's ICSEA score?
International Grammar School has an ICSEA score of 1170, placing it in the 98th percentile nationally. The Australian average is 1,000.
How many students attend International Grammar School?
International Grammar School has 1,224 enrolled students, with approximately 9 students per teacher.
What schools are near International Grammar School?
The nearest schools to International Grammar School are Australian Performing Arts Grammar School (0.3 km), GOAL College (0.4 km), Westbourne College Sydney (0.4 km).
Where is International Grammar School located?
International Grammar School is located in Ultimo, NSW 2007. Visit the school website at http://www.igssyd.nsw.edu.au.