GovernmentSecondaryYears 7-12· Major Cities

Gymea Technology High School

Gymea, NSW 2227 · NSW Department of Education

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ICSEA

1048

68th percentile nationally

Above average

Total enrolments

554

Secondary

Student–teacher ratio

13:1

44.2 FTE teachers

Gender mix

38% / 62%

girls / boys

Language background

31%

non-English at home

Socio-educational advantage

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

Bottom: 16%

Lower-mid: 30%

Upper-mid: 33%

Top: 21%

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Other schools in Gymea

Sydney Montessori School

Independent · Combined

1118

St Catherine Labouré Catholic Primary School

Catholic · Primary

1109

Gymea Bay Public School

Government · Primary

1091

Gymea North Public School

Government · Primary

1075

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.