IndependentCombinedYears K-12· Major Cities
The Hills Grammar School
Kenthurst, NSW 2156 · Independent Schools NSW
Visit school websiteICSEA
1164
97th percentile nationally
Elite (top decile)Total enrolments
1,208
Combined
Student–teacher ratio
11:1
108 FTE teachers
Gender mix
43% / 57%
girls / boys
Language background
66%
non-English at home
Socio-educational advantage
Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).
Bottom: 1%
Lower-mid: 7%
Upper-mid: 26%
Top: 66%
Other schools in Kenthurst
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.