GovernmentSecondaryYears 7-12· Major Cities

Lake Munmorah High School

Lake Munmorah, NSW 2259 · NSW Department of Education

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ICSEA

925

16th percentile nationally

Below average

Total enrolments

610

Secondary

Student–teacher ratio

11:1

57.9 FTE teachers

Gender mix

50% / 50%

girls / boys

Language background

7%

non-English at home

Socio-educational advantage

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

Bottom: 58%
Lower-mid: 29%
Upper-mid: 11%
Top: 2%

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.