St Mary Star of the Sea College
Wollongong, NSW 2500 · Catholic Schools NSW
Visit school websiteICSEA
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).
Other schools in Wollongong
Illawarra Hospital School
Government · Special
Smiths Hill High School
Government · Secondary
The Illawarra Grammar School
Independent · Combined
Keiraville Public School
Government · Primary
St Therese Catholic Primary School
Catholic · Primary
Wollongong Public School
Government · Primary
Edmund Rice College
Independent · Secondary
St Brigid's Catholic Primary School
Catholic · Primary
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.