St Marys South Public School
Updated Oct 2026 · ACARA 2025St Marys, New South Wales 2760 · Penrith LGA
#1491 of 1,619 primary schools in NSW
#4539 of 4,908 nationally
About St Marys South Public School
St Marys South Public School is a public primary school located in St Marys, New South Wales (2760), within the Penrith local government area. It caters for students from K to 6 and in 2025 enrolled 319 students (165 girls and 154 boys).
St Marys South Public School has an ICSEA value of 945, indicating below-average socio-educational advantage. That places it in the 23rd percentile of Australian schools. 4% of students come from the top socio-educational quarter and 56% from the bottom quarter.
The school employs 18 teachers (19.0 full-time equivalent) and 3 non-teaching staff, giving a student-to-teacher ratio of about 16.8 to 1. Enrolments have remained steady over the past five years.
On the Success Index, St Marys South Public School scores 24.4 out of 100, placing it in the lower 50% of primary schools nationally and 1491st of 1,619 primary schools in NSW (46th of 48 in the Penrith area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 945
- Students in the top advantage quarter (15%)4% of students
- Teacher resourcing (students per teacher) (15%)16.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)-1% enrolments since 2020 (area median -5%)
- ICSEA trend (5 years) (10%)-14 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 Marys South Public School's 319 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Marys South Public School have changed over the past decade.
Free academic assessment
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Schools near St Marys South Public School
Closest schools by straight-line distance, with their Success Index.
Our Lady of The Rosary Primary School
St Marys · Catholic primary · K-6
368 students · ICSEA 1032 · 851 m away
St Marys Public School
St Marys · Government primary · P-6
258 students · ICSEA 954 · 1.4 km away
Oxley Park Public School
St Marys · Government primary · P-6
601 students · ICSEA 953 · 1.5 km away
Bennett Road Public School
Colyton · Government primary · K-6
646 students · ICSEA 912 · 1.5 km away
Banks Public School
St Clair · Government primary · K-6
417 students · ICSEA 971 · 1.5 km away
Holy Spirit Primary School
St Clair · Catholic primary · K-6
331 students · ICSEA 1043 · 1.6 km away
St Clair High School
St Clair · Government high school · 7-12
718 students · ICSEA 956 · 1.8 km away
Colyton High School
St Marys · Government high school · 7-12
765 students · ICSEA 922 · 2.0 km away
St Marys Senior High School
St Marys · Government high school · 11-12
926 students · ICSEA 1052 · 2.0 km away
St Clair Public School
St Clair · Government primary · K-6
325 students · ICSEA 975 · 2.1 km away
Similar schools
Government primary schools in NSW with a comparable ICSEA.
Bargo Public School
Bargo · Government primary · K-6
268 students · ICSEA 945
Oakdale Public School
Oakdale · Government primary · K-6
141 students · ICSEA 945
Guildford West Public School
Guildford West · Government primary · K-6
366 students · ICSEA 945
Rosemeadow Public School
Rosemeadow · Government primary · K-6
724 students · ICSEA 945
Glen William Public School
Clarence Town · Government primary · K-6
27 students · ICSEA 945
Mannering Park Public School
Mannering Park · Government primary · K-6
193 students · ICSEA 945
Frequently asked questions
Is St Marys South Public School a public or private school?
St Marys South Public School is a public (government) school run by the New South Wales education department.
What year levels does St Marys South Public School offer?
St Marys South Public School offers K to 6. It is classified by ACARA as a primary school.
How many students attend St Marys South Public School?
In 2025, St Marys South Public School had 319 enrolled students (165 girls, 154 boys), a change of -1% over five years.
What is the ICSEA of St Marys South Public School?
St Marys South Public School has an ICSEA (Index of Community Socio-Educational Advantage) of 945. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Marys South Public School rank in NSW?
St Marys South Public School ranks 1491st of 1,619 primary schools in New South Wales on the Success Index (24.4/100), and 4539th of 4,908 nationally.
What is the student-to-teacher ratio at St Marys South Public School?
St Marys South Public School has about 16.8 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at St Marys South Public School each year?
In 2025, St Marys South Public School had 48 students in Kindergarten and 46 in Year 6.
Is St Marys South Public School co-ed?
Yes. St Marys South Public School is a co-educational school enrolling both girls and boys.
What other schools are near St Marys South Public School?
There are 10 other schools within 15 km of St Marys South Public 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 Marys South Public School?
The closest Success Tutoring centre is Success Tutoring Mount Druitt, about 4.4 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.