IndependentCombinedYears K-12· Major Cities
Blue Mountains Grammar School
Wentworth Falls, NSW 2782 · Independent Schools NSW
Visit school websiteICSEA
1140
93th percentile nationally
Elite (top decile)Total enrolments
512
Combined
Student–teacher ratio
10:1
50.3 FTE teachers
Gender mix
48% / 52%
girls / boys
Language background
17%
non-English at home
Socio-educational advantage
Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).
Bottom: 3%
Lower-mid: 13%
Upper-mid: 27%
Top: 57%
Other schools in Wentworth Falls
Source: ACARA My School 2025. ICSEA reflects the socio-educational background of a school's students — not academic results or teaching quality. National average = 1000. See data sources.