AustraliaNSWWollongongSt Mary Star of the Sea College

St Mary Star of the Sea College

IndependentSecondary7-12
Wollongong, NSW 2500 · Major Cities
1,128Students
1104ICSEA
1:12.3Ratio
9/10SEIFA
St Mary Star of the Sea

Key Indicators

How this school compares to national averages

Nat. avg: 1,000
1104+104
ICSEA Score
Nat. avg: 434
1,128
Total Enrolments
Nat. avg: 12.3
12.3:1+0
Student : Teacher
Nat. avg: 26.9%
11%
LBOTE
Nat. avg: 11.7%
3%
Indigenous Students
Higher = less disadvantaged
9 / 10
SEIFA IRSD Decile
Nat. avg: 25%
42%+17pp
SEA Top Quarter
7-12
Year Range

Overview

St Mary Star of the Sea College is a independent secondary school in Wollongong, New South Wales, serving 7-12. The school has 1,128 enrolled students. Its ICSEA value is 1104 (well above average). The student-to-teacher ratio is 12.3:1. The school is located in a SEIFA IRSD decile 9 area.

Source: ACARA School Profile 2025 (2025)

Key Facts

SectorIndependent
School TypeSecondary
Year Range7-12
Governing BodyCatholic Schools NSW
Postcode2500
RemotenessMajor Cities
ACARA ID43658

Student Background

Total Enrolments1,128
Indigenous Students3%
Language Background Other Than English11%
English Background89%

Socio-Educational Advantage Distribution

Bottom quarter
7%
Lower middle
20%
Upper middle
31%
Top quarter
42%
Source: ACARA School Profile (2025)

Enrolment by Year Level

1,128 students across 6 year levels (2025)

Yr 7189
Yr 8192
Yr 9201
Yr 10191
Yr 11174
Yr 12181
Source: ACARA Enrolments by Grade (2025)

Staffing

Teaching Staff101 (91.4 FTE)
Non-Teaching Staff45 (34.0 FTE)
Total Staff146
Student:Teacher Ratio12.3:1
Source: ACARA School Profile (2025)