St Mary's Star of the Sea Catholic Primary School
Updated Oct 2026 · ACARA 2025Milton, New South Wales 2538 · Shoalhaven LGA
#579 of 1,619 primary schools in NSW
#1769 of 4,908 nationally
About St Mary's Star of the Sea Catholic Primary School
St Mary's Star of the Sea Catholic Primary School is a catholic primary school located in Milton, New South Wales (2538), within the Shoalhaven local government area. It caters for students from K to 6 and in 2025 enrolled 125 students (55 girls and 70 boys). The school is affiliated with Catholic Schools NSW.
St Mary's Star of the Sea Catholic Primary School has an ICSEA value of 1044, indicating a socio-educational profile close to the national average of 1000. That places it in the 66th percentile of Australian schools. 23% of students come from the top socio-educational quarter and 15% from the bottom quarter.
The school employs 16 teachers (12.6 full-time equivalent) and 14 non-teaching staff, giving a student-to-teacher ratio of about 9.9 to 1. Enrolments have fallen by 3% over the past five years.
On the Success Index, St Mary's Star of the Sea Catholic Primary School scores 61.8 out of 100, placing it in the top 50% of primary schools nationally and 579th of 1,619 primary schools in NSW (2nd of 24 in the Shoalhaven area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1044
- Students in the top advantage quarter (15%)23% of students
- Teacher resourcing (students per teacher) (15%)9.9 students per teacher
- Enrolment growth vs local area (5 years) (10%)-3% enrolments since 2020 (area median -3%)
- ICSEA trend (5 years) (10%)-24 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How St Mary's Star of the Sea Catholic Primary School's 125 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Star of the Sea Catholic Primary School have changed over the past decade.
Free academic assessment
Is your child on track at St Mary's Star of the Sea Catholic Primary School?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Dickson
Schools near St Mary's Star of the Sea Catholic Primary School
Closest schools by straight-line distance, with their Success Index.
Milton Public School
Milton · Government primary · K-6
823 students · ICSEA 1024 · 590 m away
Budawang School
Milton · Government special · U
44 students · ICSEA 909 · 1.6 km away
Ulladulla Public School
Ulladulla · Government primary · K-6
689 students · ICSEA 978 · 6.0 km away
Ulladulla High School
Ulladulla · Government high school · 7-12
1,159 students · ICSEA 993 · 6.3 km away
Similar schools
Catholic primary schools in NSW with a comparable ICSEA.
St Francis of Assisi Primary School
Glendenning · Catholic primary · K-6
480 students · ICSEA 1044
Holy Spirit Primary School
St Clair · Catholic primary · K-6
331 students · ICSEA 1043
Our Lady Help of Christians Catholic Primary School
Rosemeadow · Catholic primary · K-6
202 students · ICSEA 1045
St Thomas More Catholic Primary School
Campbelltown · Catholic primary · K-6
341 students · ICSEA 1043
St Joseph the Worker Catholic Primary School
Auburn South · Catholic primary · K-6
113 students · ICSEA 1043
St Joseph's Primary School
Alstonville · Catholic primary · K-6
187 students · ICSEA 1045
Frequently asked questions
Is St Mary's Star of the Sea Catholic Primary School a public or private school?
St Mary's Star of the Sea Catholic Primary School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does St Mary's Star of the Sea Catholic Primary School offer?
St Mary's Star of the Sea Catholic Primary School offers K to 6. It is classified by ACARA as a primary school.
How many students attend St Mary's Star of the Sea Catholic Primary School?
In 2025, St Mary's Star of the Sea Catholic Primary School had 125 enrolled students (55 girls, 70 boys), a change of -3% over five years.
What is the ICSEA of St Mary's Star of the Sea Catholic Primary School?
St Mary's Star of the Sea Catholic Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1044. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does St Mary's Star of the Sea Catholic Primary School rank in NSW?
St Mary's Star of the Sea Catholic Primary School ranks 579th of 1,619 primary schools in New South Wales on the Success Index (61.8/100), and 1769th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's Star of the Sea Catholic Primary School?
St Mary's Star of the Sea Catholic Primary School has about 9.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at St Mary's Star of the Sea Catholic Primary School each year?
In 2025, St Mary's Star of the Sea Catholic Primary School had 21 students in Kindergarten and 15 in Year 6.
Is St Mary's Star of the Sea Catholic Primary School co-ed?
Yes. St Mary's Star of the Sea Catholic Primary School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's Star of the Sea Catholic Primary School?
There are 4 other schools within 15 km of St Mary's Star of the Sea Catholic Primary School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near St Mary's Star of the Sea Catholic Primary School?
The closest Success Tutoring centre is Success Tutoring Dickson, about 117 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.