GovernmentSecondaryYears 7-12· Major Cities

Barrenjoey High School

Avalon Beach, NSW 2107 · NSW Department of Education

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ICSEA

1081

79th percentile nationally

Top tier

Total enrolments

865

Secondary

Student–teacher ratio

14:1

62.7 FTE teachers

Gender mix

47% / 53%

girls / boys

Language background

13%

non-English at home

Socio-educational advantage

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

Bottom: 9%

Lower-mid: 26%

Upper-mid: 34%

Top: 31%

Explore Avalon Beach, NSWLiveability 78

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Other schools in Avalon Beach

Bilgola Plateau Public School

Government · Primary

1121

Barrenjoey Montessori School

Independent · Primary

1115

Maria Regina Catholic Primary School

Catholic · Primary

1102

Avalon Public School

Government · Primary

1094

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.