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Independent School

Blue Mountains Grammar School

Combined school in Wentworth Falls, NSW

512
Students (2025)
1140
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 Blue Mountains Grammar School

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

With 512 students enrolled in 2025 and an ICSEA score of 1140 (93th 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) 512 enrolled
  • Teaching Staff 63 (50.3 FTE)
  • Non-Teaching Staff 35 (25.5 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. 1140 (93th percentile)
  • Indigenous Students 1%

📊 Student Demographics

Gender
Boys: 268 (52%)
Girls: 244 (48%)
Language Background
LBOTE: 17%?Language Background Other Than English – students who speak a language other than English at home.
English only: 83%
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.
13%
27%
57%
Bottom 3% Lower 13% Upper 27% Top 57%