GovernmentSecondaryYears 7-12· Major Cities

Greystanes High School

Greystanes, NSW 2145 · NSW Department of Education

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ICSEA

1003

48th percentile nationally

Above average

Total enrolments

1,090

Secondary

Student–teacher ratio

14:1

76 FTE teachers

Gender mix

44% / 56%

girls / boys

Language background

63%

non-English at home

Socio-educational advantage

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

Bottom: 35%
Lower-mid: 28%
Upper-mid: 25%
Top: 13%

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.