St Marys Public School
Updated Oct 2026 · ACARA 2025St Marys, New South Wales 2760 · Penrith LGA
#1179 of 1,619 primary schools in NSW
#3674 of 4,908 nationally
About St Marys Public School
St Marys 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 P to 6 and in 2025 enrolled 258 students (133 girls and 125 boys).
St Marys Public School has an ICSEA value of 954, indicating a socio-educational profile close to the national average of 1000. That places it in the 27th percentile of Australian schools. 8% of students come from the top socio-educational quarter and 46% from the bottom quarter.
The school employs 20 teachers (18.0 full-time equivalent) and 8 non-teaching staff, giving a student-to-teacher ratio of about 14.3 to 1. Enrolments have fallen by 12% over the past five years.
On the Success Index, St Marys Public School scores 36.5 out of 100, placing it in the lower 50% of primary schools nationally and 1179th of 1,619 primary schools in NSW (31st 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 954
- Students in the top advantage quarter (15%)8% of students
- Teacher resourcing (students per teacher) (15%)14.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)-12% enrolments since 2020 (area median -5%)
- ICSEA trend (5 years) (10%)+18 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 Public School's 258 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Marys Public School have changed over the past decade.
Free academic assessment
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Schools near St Marys 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 · 568 m away
St Marys Senior High School
St Marys · Government high school · 11-12
926 students · ICSEA 1052 · 586 m away
St Mary's Flexible School
St Marys · Independent special · 7-10
80 students · ICSEA 832 · 981 m away
Kurrambee School
Werrington · Government special · U
104 students · ICSEA 946 · 1.1 km away
Penrith Valley School
Werrington · Government special · U
39 students · ICSEA 873 · 1.1 km away
St Marys South Public School
St Marys · Government primary · K-6
319 students · ICSEA 945 · 1.4 km away
Wollemi College
Werrington · Independent combined · 2-12
565 students · ICSEA 1107 · 1.4 km away
Oxley Park Public School
St Marys · Government primary · P-6
601 students · ICSEA 953 · 1.7 km away
St Marys North Public School
North St Marys · Government primary · K-6
345 students · ICSEA 873 · 1.7 km away
Putland School
Werrington · Government special · U
65 students · ICSEA 871 · 1.9 km away
Similar schools
Government primary schools in NSW with a comparable ICSEA.
Chifley Public School
Malabar · Government primary · K-6
227 students · ICSEA 954
Glossodia Public School
Glossodia · Government primary · K-6
184 students · ICSEA 954
Mulbring Public School
Mulbring · Government primary · K-6
56 students · ICSEA 954
Jerilderie Public School
Jerilderie · Government primary · K-6
14 students · ICSEA 954
Tallimba Public School
Tallimba · Government primary · K-6
6 students · ICSEA 954
Lake Illawarra South Public School
Lake Illawarra · Government primary · K-6
177 students · ICSEA 954
Frequently asked questions
Is St Marys Public School a public or private school?
St Marys Public School is a public (government) school run by the New South Wales education department.
What year levels does St Marys Public School offer?
St Marys Public School offers P to 6. It is classified by ACARA as a primary school.
How many students attend St Marys Public School?
In 2025, St Marys Public School had 258 enrolled students (133 girls, 125 boys), a change of -12% over five years.
What is the ICSEA of St Marys Public School?
St Marys Public School has an ICSEA (Index of Community Socio-Educational Advantage) of 954. 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 Marys Public School rank in NSW?
St Marys Public School ranks 1179th of 1,619 primary schools in New South Wales on the Success Index (36.5/100), and 3674th of 4,908 nationally.
What is the student-to-teacher ratio at St Marys Public School?
St Marys Public School has about 14.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at St Marys Public School each year?
In 2025, St Marys Public School had 33 students in Kindergarten and 39 in Year 6.
Is St Marys Public School co-ed?
Yes. St Marys Public School is a co-educational school enrolling both girls and boys.
What other schools are near St Marys Public School?
There are 10 other schools within 15 km of St Marys 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 Public School?
The closest Success Tutoring centre is Success Tutoring Mount Druitt, about 4.7 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.