Casimir Catholic College
Updated Oct 2026 · ACARA 2025Marrickville, New South Wales 2204 · Inner West LGA
About Casimir Catholic College
Casimir Catholic College is a catholic high school located in Marrickville, New South Wales (2204), within the Inner West local government area. It caters for students from 7 to 12 and in 2025 enrolled 827 students (378 girls and 449 boys). The school is affiliated with Catholic Schools NSW.
Casimir Catholic College has an ICSEA value of 1052, indicating above-average socio-educational advantage. That places it in the 69th percentile of Australian schools. 20% of students come from the top socio-educational quarter and 17% from the bottom quarter.
The school employs 68 teachers (65.1 full-time equivalent) and 19 non-teaching staff, giving a student-to-teacher ratio of about 12.7 to 1. Enrolments have grown by 16% over the past five years.
On the Success Index, Casimir Catholic College scores 69.0 out of 100, placing it in the top 25% of secondary schools nationally and 119th of 539 secondary schools in NSW (6th of 9 in the Inner West area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1052
- Students in the top advantage quarter (15%)20% of students
- Teacher resourcing (students per teacher) (15%)12.7 students per teacher
- Enrolment growth vs local area (5 years) (10%)+16% enrolments since 2020 (area median +5%)
- ICSEA trend (5 years) (10%)+18 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 Casimir Catholic College's 827 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Casimir Catholic College have changed over the past decade.
Free academic assessment
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Schools near Casimir Catholic College
Closest schools by straight-line distance, with their Success Index.
St Brigid's Catholic Primary School
Marrickville · Catholic primary · K-6
372 students · ICSEA 1072 · 213 m away
Marrickville West Public School
Marrickville · Government primary · K-6
411 students · ICSEA 1070 · 685 m away
St Maroun's College
Marrickville · Independent combined · K-12
567 students · ICSEA 1051 · 708 m away
Marrickville High School
Marrickville · Government high school · 7-12
625 students · ICSEA 1052 · 726 m away
Dulwich High School of Visual Arts and Design
Dulwich Hill · Government high school · 7-12
804 students · ICSEA 1092 · 959 m away
Dulwich Hill Public School
Dulwich Hill · Government primary · K-6
358 students · ICSEA 1099 · 1.1 km away
Wilkins Public School
Marrickville · Government primary · K-6
508 students · ICSEA 1135 · 1.2 km away
Ferncourt Public School
Marrickville · Government primary · K-6
285 students · ICSEA 1125 · 1.2 km away
Marrickville Public School
Marrickville · Government primary · K-6
213 students · ICSEA 1090 · 1.2 km away
Tempe High School
Tempe · Government high school · 7-12
985 students · ICSEA 1096 · 1.3 km away
Similar schools
Catholic secondary schools in NSW with a comparable ICSEA.
Caroline Chisholm College
Glenmore Park · Catholic high school · 7-12
1,011 students · ICSEA 1054
Clancy Catholic College
West Hoxton · Catholic high school · 7-12
1,211 students · ICSEA 1054
St Joseph's College
Banora Point · Catholic high school · 7-12
838 students · ICSEA 1050
Mater Dei Catholic College
Lake Albert · Catholic high school · 7-12
749 students · ICSEA 1050
St Paul's Catholic College
Greystanes · Catholic high school · 7-12
800 students · ICSEA 1055
Nagle College
Blacktown · Catholic high school · 7-12
532 students · ICSEA 1048
Frequently asked questions
Is Casimir Catholic College a public or private school?
Casimir Catholic College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does Casimir Catholic College offer?
Casimir Catholic College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Casimir Catholic College?
In 2025, Casimir Catholic College had 827 enrolled students (378 girls, 449 boys), a change of 16% over five years.
What is the ICSEA of Casimir Catholic College?
Casimir Catholic College has an ICSEA (Index of Community Socio-Educational Advantage) of 1052. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Casimir Catholic College rank in NSW?
Casimir Catholic College ranks 119th of 539 secondary schools in New South Wales on the Success Index (69.0/100), and 304th of 1,472 nationally.
What is the student-to-teacher ratio at Casimir Catholic College?
Casimir Catholic College has about 12.7 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Casimir Catholic College?
In 2025, Casimir Catholic College had 147 students in Year 7 and 107 in Year 12.
Is Casimir Catholic College co-ed?
Yes. Casimir Catholic College is a co-educational school enrolling both girls and boys.
What other schools are near Casimir Catholic College?
There are 10 other schools within 15 km of Casimir Catholic College 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 Casimir Catholic College?
The closest Success Tutoring centre is Success Tutoring Rockdale, about 4.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.