IndependentSecondaryYears 7-12· Major Cities

St Mary Star of the Sea College

Wollongong, NSW 2500 · Catholic Schools NSW

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ICSEA

1104

85th percentile nationally

Elite (top decile)

Total enrolments

1,128

Secondary

Student–teacher ratio

12:1

91.4 FTE teachers

Gender mix

100% / 0%

girls / boys

Language background

11%

non-English at home

Socio-educational advantage

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

Bottom: 7%
Lower-mid: 20%
Upper-mid: 31%
Top: 42%

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.