St Thomas the Apostle School
Updated Oct 2026 · ACARA 2025Greensborough, Victoria 3088 · Nillumbik LGA
#433 of 1,290 primary schools in VIC
#1087 of 4,908 nationally
About St Thomas the Apostle School
St Thomas the Apostle School is a catholic primary school located in Greensborough, Victoria (3088), within the Nillumbik local government area. It caters for students from Prep to 6 and in 2025 enrolled 226 students (102 girls and 124 boys). The school is affiliated with Victorian Catholic Education Authority.
St Thomas the Apostle School has an ICSEA value of 1085, indicating above-average socio-educational advantage. That places it in the 80th percentile of Australian schools. 30% of students come from the top socio-educational quarter and 7% from the bottom quarter.
The school employs 27 teachers (20.4 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 11.1 to 1. Enrolments have fallen by 37% over the past five years.
On the Success Index, St Thomas the Apostle School scores 69.2 out of 100, placing it in the top 25% of primary schools nationally and 433rd of 1,290 primary schools in VIC (8th of 15 in the Nillumbik area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1085
- Students in the top advantage quarter (15%)30% of students
- Teacher resourcing (students per teacher) (15%)11.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)-37% enrolments since 2020 (area median -11%)
- ICSEA trend (5 years) (10%)-2 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 Thomas the Apostle School's 226 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Thomas the Apostle School have changed over the past decade.
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Schools near St Thomas the Apostle School
Closest schools by straight-line distance, with their Success Index.
Diamond Valley Special Developmental School
Greensborough · Government special · U
136 students · ICSEA 1010 · 829 m away
Apollo Parkways Primary School
Greensborough · Government primary · Prep-6
675 students · ICSEA 1103 · 998 m away
Greenhills Primary School
Greensborough · Government primary · Prep-6
499 students · ICSEA 1103 · 1.1 km away
North-Eastern Montessori School
St Helena · Independent primary · Prep-6
106 students · ICSEA 1143 · 1.6 km away
St Helena Secondary College
Eltham North · Government high school · 7-12
1,414 students · ICSEA 1065 · 1.9 km away
Glen Katherine Primary School
Eltham North · Government primary · Prep-6
554 students · ICSEA 1088 · 2.1 km away
Holy Trinity Primary School
Eltham North · Catholic primary · Prep-6
393 students · ICSEA 1137 · 2.3 km away
Briar Hill Primary School
Briar Hill · Government primary · Prep-6
203 students · ICSEA 1090 · 2.9 km away
Greensborough Primary School
Greensborough · Government primary · Prep-6
159 students · ICSEA 1058 · 3.0 km away
Diamond Creek Primary School
Diamond Creek · Government primary · Prep-6
235 students · ICSEA 1065 · 3.1 km away
Similar schools
Catholic primary schools in VIC with a comparable ICSEA.
St Francis de Sales School
Oak Park · Catholic primary · Prep-6
237 students · ICSEA 1085
St Peter's School
Keilor East · Catholic primary · Prep-6
561 students · ICSEA 1085
St Joseph's Catholic Primary School
Werribee · Catholic primary · Prep-6
402 students · ICSEA 1085
St Joseph's School
Chelsea · Catholic primary · Prep-6
317 students · ICSEA 1084
St Michael's School
Berwick · Catholic primary · Prep-6
441 students · ICSEA 1084
St Joseph's Primary School
Boronia · Catholic primary · Prep-6
129 students · ICSEA 1086
Frequently asked questions
Is St Thomas the Apostle School a public or private school?
St Thomas the Apostle School is a Catholic school, which makes it a non-government (private) school affiliated with Victorian Catholic Education Authority.
What year levels does St Thomas the Apostle School offer?
St Thomas the Apostle School offers Prep to 6. It is classified by ACARA as a primary school.
How many students attend St Thomas the Apostle School?
In 2025, St Thomas the Apostle School had 226 enrolled students (102 girls, 124 boys), a change of -37% over five years.
What is the ICSEA of St Thomas the Apostle School?
St Thomas the Apostle School has an ICSEA (Index of Community Socio-Educational Advantage) of 1085. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Thomas the Apostle School rank in VIC?
St Thomas the Apostle School ranks 433rd of 1,290 primary schools in Victoria on the Success Index (69.2/100), and 1087th of 4,908 nationally.
What is the student-to-teacher ratio at St Thomas the Apostle School?
St Thomas the Apostle School has about 11.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Prep at St Thomas the Apostle School each year?
In 2025, St Thomas the Apostle School had 27 students in Prep and 32 in Year 6.
Is St Thomas the Apostle School co-ed?
Yes. St Thomas the Apostle School is a co-educational school enrolling both girls and boys.
What other schools are near St Thomas the Apostle School?
There are 10 other schools within 15 km of St Thomas the Apostle 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 Thomas the Apostle School?
The closest Success Tutoring centre is Success Tutoring Coolaroo, about 17 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.