St Catherine's School
Updated Oct 2026 · ACARA 2025Toorak, Victoria 3142 · Stonnington LGA
About St Catherine's School
St Catherine's School is an independent girls' combined (K–12) school located in Toorak, Victoria (3142), within the Stonnington local government area. It caters for students from Prep to 12 and in 2025 enrolled 685 students. The school is affiliated with Independent Schools Victoria.
St Catherine's School has an ICSEA value of 1175, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 98th percentile of Australian schools. 72% of students come from the top socio-educational quarter and 1% from the bottom quarter.
The school employs 95 teachers (83.7 full-time equivalent) and 45 non-teaching staff, giving a student-to-teacher ratio of about 8.2 to 1. Enrolments have grown by 4% over the past five years.
On the Success Index, St Catherine's School scores 88.9 out of 100, placing it in the top 5% of combined schools nationally and 9th of 239 combined schools in VIC (3rd of 9 in the Stonnington area).
VCE results (2025)
Published by the Victorian Curriculum and Assessment Authority. Study scores range from 0 to 50 with a state mean of 30; a score of 40 or above is in roughly the top 9% statewide.
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1175
- Students in the top advantage quarter (15%)72% of students
- Teacher resourcing (students per teacher) (15%)8.2 students per teacher
- Enrolment growth vs local area (5 years) (10%)+4% enrolments since 2020 (area median -1%)
- ICSEA trend (5 years) (10%)+13 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 Catherine's School's 685 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Catherine's School have changed over the past decade.
Free academic assessment
Is your child on track at St Catherine's School?
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Schools near St Catherine's School
Closest schools by straight-line distance, with their Success Index.
St Kevin's College
Toorak · Catholic combined · Prep-12
2,087 students · ICSEA 1192 · 441 m away
Scotch College
Hawthorn · Independent combined · Prep-12
1,957 students · ICSEA 1188 · 1.1 km away
Loreto Mandeville Hall
Toorak · Catholic combined · Prep-12
1,220 students · ICSEA 1167 · 1.2 km away
Toorak Primary School
Toorak · Government primary · Prep-6
439 students · ICSEA 1141 · 1.3 km away
Erasmus Primary School
Hawthorn · Independent primary · Prep-6
92 students · ICSEA 1187 · 1.5 km away
Armadale Primary School
Armadale · Government primary · Prep-6
254 students · ICSEA 1156 · 1.6 km away
Lauriston Girls' School
Armadale · Independent combined · Prep-12
935 students · ICSEA 1199 · 1.6 km away
St Joseph's School
Hawthorn · Catholic primary · Prep-6
369 students · ICSEA 1156 · 1.7 km away
Rossbourne School
Hawthorn · Independent special · 7-12
147 students · ICSEA 1100 · 1.8 km away
Melbourne Girls College
Richmond · Government high school · 7-12
1,531 students · ICSEA 1142 · 1.9 km away
Similar schools
Independent combined schools in VIC with a comparable ICSEA.
Mentone Girls' Grammar School
Mentone · Independent combined · Prep-12
560 students · ICSEA 1174
Melbourne Grammar School
Melbourne · Independent combined · Prep-12
1,905 students · ICSEA 1177
Penleigh & Essendon Grammar School
Keilor East · Independent combined · Prep-12
2,913 students · ICSEA 1173
Carey Baptist Grammar School
Kew · Independent combined · Prep-12
2,564 students · ICSEA 1177
Wesley College
Melbourne · Independent combined · Prep-12
3,181 students · ICSEA 1172
Ballarat Clarendon College
Ballarat · Independent combined · Prep-12
1,896 students · ICSEA 1172
Frequently asked questions
Is St Catherine's School a public or private school?
St Catherine's School is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools Victoria.
What year levels does St Catherine's School offer?
St Catherine's School offers Prep to 12. It is classified by ACARA as a combined school.
How many students attend St Catherine's School?
In 2025, St Catherine's School had 685 enrolled students (685 girls, 0 boys), a change of 4% over five years.
What is the ICSEA of St Catherine's School?
St Catherine's School has an ICSEA (Index of Community Socio-Educational Advantage) of 1175. 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 Catherine's School rank in VIC?
St Catherine's School ranks 9th of 239 combined schools in Victoria on the Success Index (88.9/100), and 14th of 1,259 nationally.
What is the student-to-teacher ratio at St Catherine's School?
St Catherine's School has about 8.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
What are the VCE results at St Catherine's School?
In 2025, St Catherine's School recorded a median VCE study score of 34 with 22% of study scores at 40 or above, from 158 students enrolled in at least one VCE study. Source: VCAA Senior Secondary Completion and Achievement Information.
How big is the Year 7 cohort at St Catherine's School?
In 2025, St Catherine's School had 69 students in Year 7 and 86 in Year 12.
Is St Catherine's School co-ed?
No. St Catherine's School is a girls' school.
What other schools are near St Catherine's School?
There are 10 other schools within 15 km of St Catherine'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 Catherine's School?
The closest Success Tutoring centre is Success Tutoring Hawthorn, about 1.6 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.