St Mary's School
Updated Oct 2026 · ACARA 2025Ascot Vale, Victoria 3032 · Moonee Valley LGA
#66 of 1,290 primary schools in VIC
#100 of 4,908 nationally
About St Mary's School
St Mary's School is a catholic primary school located in Ascot Vale, Victoria (3032), within the Moonee Valley local government area. It caters for students from Prep to 6 and in 2025 enrolled 374 students (179 girls and 195 boys). The school is affiliated with Victorian Catholic Education Authority.
St Mary's School has an ICSEA value of 1144, indicating very high socio-educational advantage. That places it in the 94th percentile of Australian schools. 59% of students come from the top socio-educational quarter and 3% from the bottom quarter.
The school employs 32 teachers (25.3 full-time equivalent) and 19 non-teaching staff, giving a student-to-teacher ratio of about 14.8 to 1. Enrolments have remained steady over the past five years.
On the Success Index, St Mary's School scores 82.5 out of 100, placing it in the top 5% of primary schools nationally and 66th of 1,290 primary schools in VIC (1st of 24 in the Moonee Valley area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1144
- Students in the top advantage quarter (15%)59% of students
- Teacher resourcing (students per teacher) (15%)14.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)+0% enrolments since 2020 (area median -4%)
- ICSEA trend (5 years) (10%)+19 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 374 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's School have changed over the past decade.
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Schools near St Mary's School
Closest schools by straight-line distance, with their Success Index.
Moonee Ponds West Primary School
Moonee Ponds · Government primary · Prep-6
289 students · ICSEA 1136 · 635 m away
Ascot Vale West Primary School
Ascot Vale · Government primary · Prep-6
278 students · ICSEA 1029 · 761 m away
Ascot Vale Primary School
Ascot Vale · Government primary · Prep-6
265 students · ICSEA 1140 · 1.3 km away
Lowther Hall Anglican Grammar School
Essendon · Independent combined · Prep-12
859 students · ICSEA 1161 · 1.6 km away
St Columba's College
Essendon · Catholic high school · 7-12
1,047 students · ICSEA 1107 · 1.9 km away
Ascot Vale Heights School
Ascot Vale · Government special · U
103 students · ICSEA 1021 · 1.9 km away
St Monica's Primary School
Moonee Ponds · Catholic primary · Prep-6
512 students · ICSEA 1129 · 1.9 km away
St Margaret's Primary School
Maribyrnong · Catholic primary · Prep-6
441 students · ICSEA 1125 · 1.9 km away
Kensington Community High School
Kensington · Government high school · 7-12
95 students · ICSEA 1008 · 2.0 km away
Mount Alexander 7-12 College
Flemington · Government high school · 7-12
827 students · ICSEA 1069 · 2.1 km away
Similar schools
Catholic primary schools in VIC with a comparable ICSEA.
Our Lady of Lourdes School
Prahran · Catholic primary · Prep-6
162 students · ICSEA 1142
St Mary's School
Hampton · Catholic primary · Prep-6
194 students · ICSEA 1142
Our Lady of Perpetual Succour School
Surrey Hills · Catholic primary · Prep-6
145 students · ICSEA 1142
St Leonard's School
Glen Waverley · Catholic primary · Prep-6
268 students · ICSEA 1142
St Anthony's School
Alphington · Catholic primary · Prep-6
92 students · ICSEA 1141
Mary Immaculate School
Ivanhoe · Catholic primary · Prep-6
102 students · ICSEA 1147
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 374 enrolled students (179 girls, 195 boys), a change of 0% 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 1144. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Mary's School rank in VIC?
St Mary's School ranks 66th of 1,290 primary schools in Victoria on the Success Index (82.5/100), and 100th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's School?
St Mary's School has about 14.8 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 56 students in Prep and 49 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 10 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 Docklands, about 5.1 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.