St Mary's School
Updated Oct 2026 · ACARA 2025Geelong, Victoria 3220 · Greater Geelong LGA
#167 of 1,290 primary schools in VIC
#319 of 4,908 nationally
About St Mary's School
St Mary's School is a catholic primary school located in Geelong, Victoria (3220), within the Greater Geelong local government area. It caters for students from Prep to 6 and in 2025 enrolled 214 students (112 girls and 102 boys). The school is affiliated with Victorian Catholic Education Authority.
St Mary's School has an ICSEA value of 1114, indicating very high socio-educational advantage. That places it in the 88th percentile of Australian schools. 44% of students come from the top socio-educational quarter and 6% from the bottom quarter.
The school employs 19 teachers (17.6 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 12.2 to 1. Enrolments have fallen by 12% over the past five years.
On the Success Index, St Mary's School scores 78.1 out of 100, placing it in the top 10% of primary schools nationally and 167th of 1,290 primary schools in VIC (4th of 54 in the Greater Geelong area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1114
- Students in the top advantage quarter (15%)44% of students
- Teacher resourcing (students per teacher) (15%)12.2 students per teacher
- Enrolment growth vs local area (5 years) (10%)-12% enrolments since 2020 (area median +4%)
- ICSEA trend (5 years) (10%)+36 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 214 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.
Geelong South Primary School
South Geelong · Government primary · Prep-6
326 students · ICSEA 1088 · 570 m away
Geelong High School
East Geelong · Government high school · 7-12
976 students · ICSEA 998 · 938 m away
Matthew Flinders Girls Secondary College
Geelong · Government high school · 7-12
614 students · ICSEA 1046 · 965 m away
Chilwell Primary School
Newtown · Government primary · Prep-6
408 students · ICSEA 1139 · 1.6 km away
St Margaret's School
East Geelong · Catholic primary · Prep-6
241 students · ICSEA 1063 · 1.6 km away
St Robert's School
Newtown · Catholic primary · Prep-6
261 students · ICSEA 1099 · 1.8 km away
The Geelong College
Newtown · Independent combined · Prep-12
1,573 students · ICSEA 1156 · 2.0 km away
Tate Street Primary School Geelong
Geelong East · Government primary · Prep-6
164 students · ICSEA 1029 · 2.0 km away
Sacred Heart College
Newtown · Catholic high school · 7-12
1,450 students · ICSEA 1105 · 2.0 km away
Ashby Primary School
Geelong West · Government primary · Prep-6
259 students · ICSEA 1059 · 2.1 km away
Similar schools
Catholic primary schools in VIC with a comparable ICSEA.
St Patrick's School
Mentone · Catholic primary · Prep-6
460 students · ICSEA 1116
St Therese's School
Essendon · Catholic primary · Prep-6
529 students · ICSEA 1116
St Leo the Great Primary School
Altona North · Catholic primary · Prep-6
342 students · ICSEA 1116
St Thomas More's School
Mount Eliza · Catholic primary · Prep-6
287 students · ICSEA 1116
St Mary's School
St Kilda East · Catholic primary · Prep-6
135 students · ICSEA 1111
Our Lady of the Nativity School
Aberfeldie · Catholic primary · Prep-6
364 students · ICSEA 1111
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 214 enrolled students (112 girls, 102 boys), a change of -12% 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 1114. 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 167th of 1,290 primary schools in Victoria on the Success Index (78.1/100), and 319th of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's School?
St Mary's School has about 12.2 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 31 students in Prep and 35 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 South Geelong, about 570 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.