GovernmentSecondaryYears 7-12· Major Cities

Willoughby Girls High School

Willoughby, NSW 2068 · NSW Department of Education

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ICSEA

1152

96th percentile nationally

Elite (top decile)

Total enrolments

1,036

Secondary

Student–teacher ratio

14:1

73.7 FTE teachers

Gender mix

100% / 0%

girls / boys

Language background

65%

non-English at home

Socio-educational advantage

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

Bottom: 2%

Lower-mid: 10%

Upper-mid: 28%

Top: 61%

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Other schools in Willoughby

St Thomas' Catholic Primary School

Catholic · Primary

1161

Glenaeon Rudolf Steiner School

Independent · Combined

1148

Willoughby Public School

Government · Primary

1143

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.