St Mary's School
Updated Oct 2026 · ACARA 2025Maffra, Victoria 3860 · Wellington LGA
#712 of 1,290 primary schools in VIC
#2120 of 4,908 nationally
About St Mary's School
St Mary's School is a catholic primary school located in Maffra, Victoria (3860), within the Wellington local government area. It caters for students from Prep to 6 and in 2025 enrolled 176 students (90 girls and 86 boys). The school is affiliated with Victorian Catholic Education Authority.
St Mary's School has an ICSEA value of 1026, indicating a socio-educational profile close to the national average of 1000. That places it in the 58th percentile of Australian schools. 11% of students come from the top socio-educational quarter and 22% from the bottom quarter.
The school employs 18 teachers (14.0 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 12.6 to 1. Enrolments have grown by 33% over the past five years.
On the Success Index, St Mary's School scores 57.5 out of 100, placing it in the top 50% of primary schools nationally and 712th of 1,290 primary schools in VIC (3rd of 16 in the Wellington area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1026
- Students in the top advantage quarter (15%)11% of students
- Teacher resourcing (students per teacher) (15%)12.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+33% enrolments since 2020 (area median +3%)
- ICSEA trend (5 years) (10%)+0 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 School's 176 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's School have changed over the past decade.
Free academic assessment
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Schools near St Mary's School
Closest schools by straight-line distance, with their Success Index.
Maffra Primary School
Maffra · Government primary · Prep-6
230 students · ICSEA 979 · 388 m away
Maffra Secondary College
Maffra · Government high school · 7-12
549 students · ICSEA 942 · 893 m away
Bundalaguah Primary School
Bundalaguah · Government primary · Prep-6
26 students · ICSEA 941 · 7.5 km away
St Patrick's School
Stratford · Catholic primary · Prep-6
164 students · ICSEA 1015 · 9.2 km away
Boisdale Consolidated School
Boisdale · Government primary · Prep-6
187 students · ICSEA 979 · 9.4 km away
Stratford Primary School
Stratford · Government primary · Prep-6
92 students · ICSEA 978 · 9.9 km away
Nambrok Denison Primary School
Nambrok · Government primary · Prep-6
79 students · ICSEA 963 · 13 km away
Airly Primary School
Airly · Government primary · Prep-6
18 students · ICSEA 954 · 14 km away
Similar schools
Catholic primary schools in VIC with a comparable ICSEA.
St Mary's School
Warracknabeal · Catholic primary · Prep-6
74 students · ICSEA 1026
St Patrick's School
Stawell · Catholic primary · Prep-6
150 students · ICSEA 1026
St Colman's School
Mortlake · Catholic primary · Prep-6
39 students · ICSEA 1026
Mother Teresa School
Craigieburn · Catholic primary · Prep-6
342 students · ICSEA 1026
St Mary's School
Colac · Catholic primary · Prep-6
266 students · ICSEA 1025
St Malachy's School
Edenhope · Catholic primary · Prep-6
65 students · ICSEA 1027
Frequently asked questions
Is St Mary's School a public or private school?
St Mary's School is a Catholic school, which makes it a non-government (private) school affiliated with Victorian Catholic Education Authority.
What year levels does St Mary's School offer?
St Mary's School offers Prep to 6. It is classified by ACARA as a primary school.
How many students attend St Mary's School?
In 2025, St Mary's School had 176 enrolled students (90 girls, 86 boys), a change of 33% over five years.
What is the ICSEA of St Mary's School?
St Mary's School has an ICSEA (Index of Community Socio-Educational Advantage) of 1026. 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 School rank in VIC?
St Mary's School ranks 712th of 1,290 primary schools in Victoria on the Success Index (57.5/100), and 2120th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's School?
St Mary's School has about 12.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Prep at St Mary's School each year?
In 2025, St Mary's School had 22 students in Prep and 22 in Year 6.
Is St Mary's School co-ed?
Yes. St Mary's School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's School?
There are 8 other schools within 15 km of St Mary's 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 School?
The closest Success Tutoring centre is Success Tutoring Springvale, about 160 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.