GovernmentSecondaryYears 7-9· Major Cities

Gledswood Hills High School

Gledswood Hills, NSW 2557 · NSW Department of Education

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ICSEA

1013

53th percentile nationally

Above average

Total enrolments

87

Secondary

Student–teacher ratio

7:1

12.4 FTE teachers

Gender mix

52% / 48%

girls / boys

Language background

60%

non-English at home

Socio-educational advantage

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

Bottom: 29%
Lower-mid: 31%
Upper-mid: 26%
Top: 14%

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.