GovernmentSecondaryYears 7-12· Major Cities

Ku-ring-gai High School

North Turramurra, NSW 2074 · NSW Department of Education

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ICSEA

1088

81th percentile nationally

Top tier

Total enrolments

536

Secondary

Student–teacher ratio

11:1

50.3 FTE teachers

Gender mix

39% / 61%

girls / boys

Language background

39%

non-English at home

Socio-educational advantage

Share of students in each national SEA quarter (bottom = most disadvantaged, top = most advantaged).

Bottom: 8%
Lower-mid: 22%
Upper-mid: 36%
Top: 34%

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.