The Illawarra Grammar School

The Illawarra Grammar School is an independent combined school in Wollongong West, NSW offering K-12. With an ICSEA score of 1159, it sits in the 96th percentile nationally and is well above the Australian average of 1,000. The school has 970 enrolled students, with approximately 9 students per teacher. 2% of students identify as Aboriginal or Torres Strait Islander, and 36% have a language background other than English.

Wollongong West NSW 2500. Source: ACARA School Profile 2025.

ICSEA score
1159
96th percentile
Enrolments
970
K-12
Students per teacher
9:1
108 teaching staff
Indigenous students
2%
of enrolments
Language background other than English
36%
of enrolments

Valid: 2025 school year · Source: ACARA School Profile 2025

How The Illawarra Grammar School compares

By ICSEA, The Illawarra Grammar School ranks 34th of the 441 combined schools in NSW that report one, counting from the highest. Of the 9 combined schools within 5 km, it has the highest ICSEA and the largest enrolment. The nearest school is St Therese Catholic Primary School, a Catholic primary school 0.2 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. The Illawarra Grammar School scores 1159, well above average.

ICSEA 1159Valid: 2025 · Source: ACARA School Profile
Avg 1,000
1159
7008501,0001,1501,300

Enrolment and location

The Illawarra 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.

The Illawarra Grammar School Location: ACARA School Location 2025

Schools near The Illawarra Grammar School

The 7 nearest schools to The Illawarra Grammar School by straight-line distance, with ICSEA and enrolments from ACARA 2025.
SchoolDistanceICSEAvs The Illawarra Grammar SchoolStudents
St Therese Catholic Primary SchoolCatholic Primary · Mangerton0.2 km1090 69 lower368
Wollongong West Public SchoolGovernment Primary · Wollongong0.4 km991 168 lower243
Lindsay Park Public SchoolGovernment Primary · Wollongong0.9 km1068 91 lower334
Mount St Thomas Public SchoolGovernment Primary · Wollongong1.0 km1070 89 lower354
Edmund Rice CollegeIndependent Secondary · West Wollongong1.2 km1083 76 lower1,054
Gwynneville Public SchoolGovernment Primary · Gwynneville1.4 km1065 94 lower271
Keiraville Public SchoolGovernment Primary · Keiraville1.6 km1103 56 lower297

Frequently Asked Questions

Is The Illawarra Grammar School a government school?

No, The Illawarra Grammar School is a Independent school, not a government school.

What year levels does The Illawarra Grammar School offer?

The Illawarra Grammar School offers K-12.

What is The Illawarra Grammar School's ICSEA score?

The Illawarra Grammar School has an ICSEA score of 1159, placing it in the 96th percentile nationally. The Australian average is 1,000.

How many students attend The Illawarra Grammar School?

The Illawarra Grammar School has 970 enrolled students, with approximately 9 students per teacher.

What schools are near The Illawarra Grammar School?

The nearest schools to The Illawarra Grammar School are St Therese Catholic Primary School (0.2 km), Wollongong West Public School (0.4 km), Lindsay Park Public School (0.9 km).

Where is The Illawarra Grammar School located?

The Illawarra Grammar School is located in Wollongong West, NSW 2500. Visit the school website at http://www.tigs.nsw.edu.au.

The Illawarra Grammar School official website