GovernmentSecondaryYears 7-12· Major Cities

Irrawang High School

Raymond Terrace, NSW 2324 · NSW Department of Education

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ICSEA

916

14th percentile nationally

Below average

Total enrolments

810

Secondary

Student–teacher ratio

10:1

78.2 FTE teachers

Gender mix

49% / 51%

girls / boys

Language background

5%

non-English at home

Socio-educational advantage

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

Bottom: 57%
Lower-mid: 27%
Upper-mid: 13%
Top: 3%

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.