Casimir Catholic College is a selective entry Catholic school in Marrickville offering a structured, traditionally Catholic learning environment.
NAPLAN modestly above national year-level averages; the result is a B+ overall.
Casimir Catholic College is a selective entry Catholic school in Marrickville offering a structured, traditionally Catholic learning environment. The Newman Selective Gifted Program provides a pathway for academically able students, with cohort teaching and pastoral support as hallmarks of the school's approach. This is a fit for families seeking a disciplined, faith-based setting with selective peer grouping for gifted learners.
Casimir Catholic College is also known as CCC Marrickville.
1 HSC Top Achievers — #129 of 240 New South Wales schools.
Casimir Catholic College has an overall SchoolRank score of 61.1/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades B (Average) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1052 (69th percentile; the national average is 1,000).
In 2025 NAPLAN testing at Casimir Catholic College, Year 7 students averaged 552 across the tested NAPLAN domains, above the national average of 540 for that year level, and Year 9 students averaged 587, above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Writing. National averages are specific to each year level, because NAPLAN scores are scaled so older year levels score higher. A school-wide average can't be compared with a single national figure.
Casimir Catholic College is a medium-sized Catholic secondary school with approximately 827 students. It offers education for years 7-12. As a Catholic school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Casimir Catholic College has approximate annual tuition fees of $5,173. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school grades B (Average) for value for money, which weighs academic results against the cost of attendance.
Casimir Catholic College has a student-to-teacher ratio of 12.7:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 17% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 92%, which is good.
In the 2025 HSC, 2 students at Casimir Catholic College were all-round achievers, with results in the top band across 10 or more units. The school had 1 top achiever place across 2025 HSC courses. 0% of students received a university offer.
Casimir Catholic College is located in Marrickville, NSW, in a major city. Its ICSEA is 1052 (69th percentile; the national average is 1,000). ICSEA measures the advantage of a school's community, from its parents' education and occupation, not the school's quality. A school with a lower ICSEA and strong academic results may be teaching particularly effectively.