IndependentCombinedYears K-12· Major Cities
Canberra Grammar School
Red Hill, ACT 2603 · Association of Independent Schools of the ACT
Visit school websiteICSEA
1187
99th percentile nationally
Elite (top decile)Total enrolments
2,116
Combined
Student–teacher ratio
12:1
176.1 FTE teachers
Gender mix
43% / 57%
girls / boys
Language background
19%
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: 5%
Upper-mid: 18%
Top: 77%
Other schools in Red Hill
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.