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Independent School

The Illawarra Grammar School

Combined school in Wollongong West, NSW

970
Students (2025)
1159
ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000.
10:1
Student:Teacher
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About The Illawarra Grammar School

The Illawarra Grammar School is a independent combined school located in Wollongong West, Sydney's North Shore. The school offers education for students from K-12.

With 970 students enrolled in 2025 and an ICSEA score of 1159 (96th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 10:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Independent
  • Level Combined (K-12)
  • Gender Co-educational
  • Students (2025) 970 enrolled
  • Teaching Staff 108 (99.8 FTE)
  • Non-Teaching Staff 52 (45.4 FTE)
  • ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 1159 (96th percentile)
  • Indigenous Students 2%

📊 Student Demographics

Gender
Boys: 506 (52%)
Girls: 464 (48%)
Language Background
LBOTE: 36%?Language Background Other Than English – students who speak a language other than English at home.
English only: 64%
ICSEA Distribution?Index of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
9%
25%
64%
Bottom 2% Lower 9% Upper 25% Top 64%