GovernmentSecondaryYears 7-12· Major Cities

Killarney Heights High School

Killarney Heights, NSW 2087 · NSW Department of Education

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ICSEA

1132

92th percentile nationally

Elite (top decile)

Total enrolments

969

Secondary

Student–teacher ratio

15:1

66.3 FTE teachers

Gender mix

41% / 59%

girls / boys

Language background

45%

non-English at home

Socio-educational advantage

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

Bottom: 4%
Lower-mid: 14%
Upper-mid: 30%
Top: 52%

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.