IndependentCombinedYears K-12· Major Cities

Newcastle Grammar School

The Hill, NSW 2300 · Independent Schools NSW

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ICSEA

1181

99th percentile nationally

Elite (top decile)

Total enrolments

1,049

Combined

Student–teacher ratio

11:1

97.7 FTE teachers

Gender mix

51% / 49%

girls / boys

Language background

23%

non-English at home

Socio-educational advantage

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

Bottom: 1%
Lower-mid: 7%
Upper-mid: 19%
Top: 73%

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.