GovernmentSecondaryYears 7-12· Major Cities

Galston High School

Galston, NSW 2159 · NSW Department of Education

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ICSEA

1044

66th percentile nationally

Above average

Total enrolments

570

Secondary

Student–teacher ratio

11:1

52 FTE teachers

Gender mix

49% / 51%

girls / boys

Language background

20%

non-English at home

Socio-educational advantage

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

Bottom: 20%

Lower-mid: 32%

Upper-mid: 30%

Top: 19%

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Other schools in Galston

Northholm Grammar School

Independent · Combined

1137

Arcadia Public School

Government · Primary

1065

Galston Public School

Government · Primary

1042

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.