St Mary's Primary School
Updated Oct 2026 · ACARA 2025Armidale, New South Wales 2350 · Armidale LGA
#753 of 1,619 primary schools in NSW
#2297 of 4,908 nationally
About St Mary's Primary School
St Mary's Primary School is a catholic primary school located in Armidale, New South Wales (2350), within the Armidale local government area. It caters for students from K to 6 and in 2025 enrolled 327 students (169 girls and 158 boys). The school is affiliated with Catholic Schools NSW.
St Mary's Primary School has an ICSEA value of 1038, indicating a socio-educational profile close to the national average of 1000. That places it in the 63rd percentile of Australian schools. 25% of students come from the top socio-educational quarter and 17% from the bottom quarter.
The school employs 25 teachers (21.6 full-time equivalent) and 20 non-teaching staff, giving a student-to-teacher ratio of about 15.1 to 1. Enrolments have grown by 3% over the past five years.
On the Success Index, St Mary's Primary School scores 55.4 out of 100, placing it in the top 50% of primary schools nationally and 753rd of 1,619 primary schools in NSW (2nd of 7 in the Armidale area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1038
- Students in the top advantage quarter (15%)25% of students
- Teacher resourcing (students per teacher) (15%)15.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)+3% enrolments since 2020 (area median -1%)
- 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 Mary's Primary School's 327 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Primary School have changed over the past decade.
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Schools near St Mary's Primary School
Closest schools by straight-line distance, with their Success Index.
Armidale City Public School
Armidale · Government primary · K-6
349 students · ICSEA 963 · 358 m away
The Armidale School
Armidale · Independent combined · K-12
625 students · ICSEA 1097 · 969 m away
Armidale Secondary College
Armidale · Government high school · 7-12
1,029 students · ICSEA 928 · 1.1 km away
Drummond Memorial Public School
Armidale · Government primary · K-10
233 students · ICSEA 827 · 1.4 km away
Newling Public School
Armidale · Government primary · K-6
165 students · ICSEA 802 · 1.5 km away
OneSchool Global NSW - Armidale
Armidale · Independent combined · 3-12
35 students · ICSEA 981 · 1.6 km away
O'Connor Catholic College
Armidale · Catholic high school · 7-12
511 students · ICSEA 1020 · 1.6 km away
Ben Venue Public School
Armidale · Government primary · K-6
509 students · ICSEA 1008 · 1.8 km away
PLC Armidale
Armidale · Independent combined · K-12
226 students · ICSEA 1077 · 2.1 km away
Minimbah Primary School
Armidale · Independent primary · K-6
47 students · ICSEA 697 · 2.1 km away
Similar schools
Catholic primary schools in NSW with a comparable ICSEA.
St Mary's War Memorial School
West Wyalong · Catholic primary · K-6
113 students · ICSEA 1038
St John's Catholic Primary School
Dapto · Catholic primary · K-6
623 students · ICSEA 1038
St John's Primary School
Mullumbimby · Catholic primary · K-6
63 students · ICSEA 1038
Good Shepherd Primary School
Plumpton · Catholic primary · K-6
626 students · ICSEA 1039
St Benedict's Primary School
Edgeworth · Catholic primary · K-6
357 students · ICSEA 1037
St Paul's Catholic Primary School
Albion Park · Catholic primary · K-6
399 students · ICSEA 1037
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 327 enrolled students (169 girls, 158 boys), a change of 3% 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 1038. 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 Primary School rank in NSW?
St Mary's Primary School ranks 753rd of 1,619 primary schools in New South Wales on the Success Index (55.4/100), and 2297th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's Primary School?
St Mary's Primary School has about 15.1 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 49 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 279 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.