St Mary's Catholic Primary School
Updated Oct 2026 · ACARA 2025Manly, New South Wales 2095 · Northern Beaches LGA
#43 of 1,619 primary schools in NSW
#186 of 4,908 nationally
About St Mary's Catholic Primary School
St Mary's Catholic Primary School is a catholic primary school located in Manly, New South Wales (2095), within the Northern Beaches local government area. It caters for students from K to 6 and in 2025 enrolled 330 students (179 girls and 151 boys). The school is affiliated with Catholic Schools NSW.
St Mary's Catholic Primary School has an ICSEA value of 1159, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 97th percentile of Australian schools. 65% of students come from the top socio-educational quarter and 2% from the bottom quarter.
The school employs 26 teachers (19.5 full-time equivalent) and 6 non-teaching staff, giving a student-to-teacher ratio of about 16.9 to 1. Enrolments have grown by 17% over the past five years.
On the Success Index, St Mary's Catholic Primary School scores 80.1 out of 100, placing it in the top 5% of primary schools nationally and 43rd of 1,619 primary schools in NSW (5th of 45 in the Northern Beaches area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1159
- Students in the top advantage quarter (15%)65% of students
- Teacher resourcing (students per teacher) (15%)16.9 students per teacher
- Enrolment growth vs local area (5 years) (10%)+17% enrolments since 2020 (area median -14%)
- ICSEA trend (5 years) (10%)+2 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 Catholic Primary School's 330 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Catholic Primary School have changed over the past decade.
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Schools near St Mary's Catholic Primary School
Closest schools by straight-line distance, with their Success Index.
Royal Far West School
Manly · Government special
· 435 m away
Manly Village Public School
Manly · Government primary · K-6
532 students · ICSEA 1151 · 493 m away
Stella Maris College
Manly · Independent high school · 7-12
1,006 students · ICSEA 1135 · 974 m away
St Paul's Catholic College
Manly · Catholic high school · 7-12
468 students · ICSEA 1091 · 1.2 km away
Manly West Public School
Balgowlah · Government primary · K-6
761 students · ICSEA 1147 · 1.7 km away
Northern Beaches Secondary College Mackellar Girls Campus
Manly Vale · Government high school · 7-12
1,023 students · ICSEA 1115 · 1.9 km away
St John the Baptist Catholic Primary School
Freshwater · Catholic primary · K-6
163 students · ICSEA 1134 · 2.2 km away
St Kieran's Catholic Primary School
Manly Vale · Catholic primary · K-6
141 students · ICSEA 1122 · 2.3 km away
Stewart House School
Curl Curl · Government special
· 2.4 km away
Harbord Public School
Freshwater · Government primary · K-6
881 students · ICSEA 1137 · 2.5 km away
Similar schools
Catholic primary schools in NSW with a comparable ICSEA.
St Brigid's Catholic Primary School
Coogee · Catholic primary · K-6
205 students · ICSEA 1159
Galilee Catholic Primary School
Bondi Beach · Catholic primary · K-6
88 students · ICSEA 1160
Our Lady of the Sacred Heart Catholic Primary School
Randwick · Catholic primary · K-6
472 students · ICSEA 1160
St Michael's Catholic Primary School
Stanmore · Catholic primary · K-6
116 students · ICSEA 1160
St Thomas' Catholic Primary School
Willoughby · Catholic primary · K-6
277 students · ICSEA 1161
St Charles' Catholic Primary School Waverley
Waverley · Catholic primary · K-6
308 students · ICSEA 1161
Frequently asked questions
Is St Mary's Catholic Primary School a public or private school?
St Mary's 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 Catholic Primary School offer?
St Mary's Catholic Primary School offers K to 6. It is classified by ACARA as a primary school.
How many students attend St Mary's Catholic Primary School?
In 2025, St Mary's Catholic Primary School had 330 enrolled students (179 girls, 151 boys), a change of 17% over five years.
What is the ICSEA of St Mary's Catholic Primary School?
St Mary's Catholic Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1159. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does St Mary's Catholic Primary School rank in NSW?
St Mary's Catholic Primary School ranks 43rd of 1,619 primary schools in New South Wales on the Success Index (80.1/100), and 186th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's Catholic Primary School?
St Mary's Catholic Primary School has about 16.9 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at St Mary's Catholic Primary School each year?
In 2025, St Mary's Catholic Primary School had 51 students in Kindergarten and 53 in Year 6.
Is St Mary's Catholic Primary School co-ed?
Yes. St Mary's Catholic Primary School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's Catholic Primary School?
There are 10 other schools within 15 km of St Mary's 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 Catholic Primary School?
The closest Success Tutoring centre is Success Tutoring Dee Why, 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.