GovernmentSecondaryYears 7-12· Major Cities

St Clair High School

St Clair, NSW 2759 · NSW Department of Education

Visit school website

ICSEA

956

27th percentile nationally

Around average

Total enrolments

718

Secondary

Student–teacher ratio

11:1

63.7 FTE teachers

Gender mix

45% / 55%

girls / boys

Language background

37%

non-English at home

Socio-educational advantage

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

Bottom: 50%
Lower-mid: 30%
Upper-mid: 15%
Top: 5%

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.