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Independent School

Northholm Grammar School

Combined school in Arcadia, NSW

698
Students (2025)
1137
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.
12:1
Student:Teacher
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About Northholm Grammar School

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

With 698 students enrolled in 2025 and an ICSEA score of 1137 (93th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 12:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Independent
  • Level Combined (K-12)
  • Gender Co-educational
  • Students (2025) 698 enrolled
  • Teaching Staff 62 (59.4 FTE)
  • Non-Teaching Staff 32 (27.1 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. 1137 (93th percentile)
  • Indigenous Students undefined%

📊 Student Demographics

Gender
Boys: 395 (57%)
Girls: 303 (43%)
Language Background
LBOTE: 29%?Language Background Other Than English – students who speak a language other than English at home.
English only: 71%
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.
14%
27%
56%
Bottom 3% Lower 14% Upper 27% Top 56%