St Mary Star of the Sea College
Secondary school in Wollongong, NSW
About St Mary Star of the Sea College
St Mary Star of the Sea College is a independent secondary school located in Wollongong, Sydney's North Shore. The school offers education for students from 7-12.
With 1128 students enrolled in 2025 and an ICSEA score of 1104 (85th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 12:1 supports quality learning outcomes.
Contact & Location
- Location Wollongong, NSW 2500
- Website www.stmarys.nsw.edu.au
- MySchool View Profile
School Details
- Type Independent
- Level Secondary (7-12)
- Gender Girls only
- Students (2025) 1,128 enrolled
- Teaching Staff 101 (91.4 FTE)
- Non-Teaching Staff 45 (34 FTE)
- ICSEAIndex of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 1104 (85th percentile)
- Indigenous Students 3%
Student Demographics
Gender
Girls: 1128 (100%)
Language Background
LBOTE: 11%Language Background Other Than English – students who speak a language other than English at home.
English only: 89%
ICSEA DistributionIndex of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
Bottom 7%
Lower 20%
Upper 31%
Top 42%