St Mary's Primary School
Updated Oct 2026 · ACARA 2025Warners Bay, New South Wales 2282 · Lake Macquarie LGA
#513 of 1,619 primary schools in NSW
#1565 of 4,908 nationally
About St Mary's Primary School
St Mary's Primary School is a catholic primary school located in Warners Bay, New South Wales (2282), within the Lake Macquarie local government area. It caters for students from K to 6 and in 2025 enrolled 418 students (203 girls and 215 boys). The school is affiliated with Catholic Schools NSW.
St Mary's Primary School has an ICSEA value of 1093, indicating above-average socio-educational advantage. That places it in the 82nd percentile of Australian schools. 37% of students come from the top socio-educational quarter and 7% from the bottom quarter.
The school employs 28 teachers (22.8 full-time equivalent) and 10 non-teaching staff, giving a student-to-teacher ratio of about 18.3 to 1. Enrolments have grown by 7% over the past five years.
On the Success Index, St Mary's Primary School scores 63.9 out of 100, placing it in the top 50% of primary schools nationally and 513th of 1,619 primary schools in NSW (9th of 60 in the Lake Macquarie area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1093
- Students in the top advantage quarter (15%)37% of students
- Teacher resourcing (students per teacher) (15%)18.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)+7% enrolments since 2020 (area median +1%)
- ICSEA trend (5 years) (10%)-8 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 Primary School's 418 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Primary School have changed over the past decade.
Free academic assessment
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Schools near St Mary's Primary School
Closest schools by straight-line distance, with their Success Index.
Warners Bay Public School
Warners Bay · Government primary · K-6
340 students · ICSEA 1027 · 449 m away
Warners Bay High School
Warners Bay · Government high school · 7-12
1,161 students · ICSEA 1056 · 1.0 km away
Biddabah Public School
Warners Bay · Government primary · K-6
348 students · ICSEA 1065 · 1.3 km away
Eleebana Public School
Eleebana · Government primary · K-6
506 students · ICSEA 1105 · 1.7 km away
Mount Hutton Public School
Mount Hutton · Government primary · K-6
166 students · ICSEA 940 · 1.8 km away
Cardiff South Public School
Cardiff South · Government primary · P-6
298 students · ICSEA 1017 · 2.9 km away
Speers Point Public School
Speers Point · Government primary · K-6
256 students · ICSEA 1000 · 3.2 km away
Lakeside School
Gateshead · Government special · U
58 students · ICSEA 910 · 3.2 km away
Lake Macquarie High School
Booragul · Government high school · 7-12
435 students · ICSEA 925 · 3.3 km away
Windale Public School
Windale · Government primary · P-6
252 students · ICSEA 793 · 3.3 km away
Similar schools
Catholic primary schools in NSW with a comparable ICSEA.
St Patrick's Primary School
Parramatta · Catholic primary · K-6
408 students · ICSEA 1094
St Paul of the Cross Catholic Primary School
Dulwich Hill · Catholic primary · K-6
118 students · ICSEA 1094
St John Bosco Catholic Primary School
Engadine · Catholic primary · K-6
772 students · ICSEA 1094
St Joseph's Catholic Primary School
Rockdale · Catholic primary · K-6
204 students · ICSEA 1092
St Ambrose Catholic Primary School
Pottsville · Catholic primary · K-6
373 students · ICSEA 1094
St Thomas Aquinas Primary School
Springwood · Catholic primary · K-6
368 students · ICSEA 1095
Frequently asked questions
Is St Mary's Primary School a public or private school?
St Mary's 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 Primary School offer?
St Mary's Primary School offers K to 6. It is classified by ACARA as a primary school.
How many students attend St Mary's Primary School?
In 2025, St Mary's Primary School had 418 enrolled students (203 girls, 215 boys), a change of 7% over five years.
What is the ICSEA of St Mary's Primary School?
St Mary's Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1093. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Mary's Primary School rank in NSW?
St Mary's Primary School ranks 513th of 1,619 primary schools in New South Wales on the Success Index (63.9/100), and 1565th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's Primary School?
St Mary's Primary School has about 18.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at St Mary's Primary School each year?
In 2025, St Mary's Primary School had 61 students in Kindergarten and 60 in Year 6.
Is St Mary's Primary School co-ed?
Yes. St Mary's Primary School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's Primary School?
There are 10 other schools within 15 km of St Mary's 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 Primary School?
The closest Success Tutoring centre is Success Tutoring Belmont, about 5.7 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.