Trinity Catholic Primary School
Updated Oct 2026 · ACARA 2025Narre Warren South, Victoria 3805 · Casey LGA
#510 of 1,290 primary schools in VIC
#1407 of 4,908 nationally
About Trinity Catholic Primary School
Trinity Catholic Primary School is a catholic primary school located in Narre Warren South, Victoria (3805), within the Casey local government area. It caters for students from Prep to 6 and in 2025 enrolled 507 students (252 girls and 255 boys). The school is affiliated with Victorian Catholic Education Authority.
Trinity Catholic Primary School has an ICSEA value of 1070, indicating above-average socio-educational advantage. That places it in the 75th percentile of Australian schools. 26% of students come from the top socio-educational quarter and 12% from the bottom quarter.
The school employs 37 teachers (30.4 full-time equivalent) and 26 non-teaching staff, giving a student-to-teacher ratio of about 16.7 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Trinity Catholic Primary School scores 65.7 out of 100, placing it in the top 25% of primary schools nationally and 510th of 1,290 primary schools in VIC (9th of 65 in the Casey area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1070
- Students in the top advantage quarter (15%)26% of students
- Teacher resourcing (students per teacher) (15%)16.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)0% enrolments since 2020 (area median -8%)
- 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 Trinity Catholic Primary School's 507 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Trinity Catholic Primary School have changed over the past decade.
Free academic assessment
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Schools near Trinity Catholic Primary School
Closest schools by straight-line distance, with their Success Index.
Narre Warren South P-12 College
Narre Warren South · Government combined · Prep-12
2,404 students · ICSEA 918 · 1.2 km away
Strathaird Primary School
Narre Warren South · Government primary · Prep-6
761 students · ICSEA 975 · 1.3 km away
Hillsmeade Primary School
Narre Warren South · Government primary · Prep-6
782 students · ICSEA 994 · 1.4 km away
Heritage College
Narre Warren South · Independent combined · Prep-12
613 students · ICSEA 1058 · 1.7 km away
Alkira Secondary College
Cranbourne North · Government high school · 7-12
2,011 students · ICSEA 986 · 2.3 km away
Coral Park Primary School
Hampton Park · Government primary · Prep-6
393 students · ICSEA 923 · 2.4 km away
Fleetwood Primary School
Narre Warren · Government primary · Prep-6
309 students · ICSEA 998 · 2.5 km away
Berry Street School
Narre Warren · Independent special · 7-12
219 students · ICSEA 894 · 2.8 km away
Kilberry Valley Primary School
Hampton Park · Government primary · Prep-6
404 students · ICSEA 954 · 2.9 km away
Courtenay Gardens Primary School
Cranbourne North · Government primary · Prep-6
750 students · ICSEA 998 · 3.1 km away
Similar schools
Catholic primary schools in VIC with a comparable ICSEA.
St Patrick's School
Port Fairy · Catholic primary · Prep-6
180 students · ICSEA 1070
Our Lady of the Immaculate Conception School
Sunshine · Catholic primary · Prep-6
317 students · ICSEA 1070
St Anne's School
Seaford · Catholic primary · Prep-6
186 students · ICSEA 1070
St Catherine of Siena Catholic Primary School
Armstrong Creek · Catholic primary · Prep-6
504 students · ICSEA 1070
St Francis Xavier School
Ballarat East · Catholic primary · Prep-6
482 students · ICSEA 1071
St Bernadette's Catholic Primary School
The Basin · Catholic primary · Prep-6
255 students · ICSEA 1069
Frequently asked questions
Is Trinity Catholic Primary School a public or private school?
Trinity Catholic Primary School is a Catholic school, which makes it a non-government (private) school affiliated with Victorian Catholic Education Authority.
What year levels does Trinity Catholic Primary School offer?
Trinity Catholic Primary School offers Prep to 6. It is classified by ACARA as a primary school.
How many students attend Trinity Catholic Primary School?
In 2025, Trinity Catholic Primary School had 507 enrolled students (252 girls, 255 boys), a change of 0% over five years.
What is the ICSEA of Trinity Catholic Primary School?
Trinity Catholic Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 1070. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Trinity Catholic Primary School rank in VIC?
Trinity Catholic Primary School ranks 510th of 1,290 primary schools in Victoria on the Success Index (65.7/100), and 1407th of 4,908 nationally.
What is the student-to-teacher ratio at Trinity Catholic Primary School?
Trinity Catholic Primary School has about 16.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Prep at Trinity Catholic Primary School each year?
In 2025, Trinity Catholic Primary School had 69 students in Prep and 67 in Year 6.
Is Trinity Catholic Primary School co-ed?
Yes. Trinity Catholic Primary School is a co-educational school enrolling both girls and boys.
What other schools are near Trinity Catholic Primary School?
There are 10 other schools within 15 km of Trinity Catholic Primary 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 Trinity Catholic Primary School?
The closest Success Tutoring centre is Success Tutoring Springvale, 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.