Catholic co-ed secondary in Marrickville, NSW; 827 students, years 7–12.
NAPLAN modestly above national year-level averages and a median ATAR of 87.0; the result is a B- overall.
1 HSC Top Achievers — #129 of 240 New South Wales schools.
Casimir Catholic College has an overall SchoolRank score of 57.4/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 59/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1052, well above the national average of 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's value score is 52/100, which measures academic outcomes relative to 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 strong.
Casimir Catholic College has a median ATAR of 87.0. 29.4% achieved above 80.
Casimir Catholic College is located in Marrickville, NSW, classified as a major cities school. With an ICSEA of 1052 (69th percentile), the school community's socio-educational advantage is around the national average. ICSEA measures the educational advantage of a school's community, not the school's quality, a lower ICSEA school with strong academic scores may indicate particularly effective teaching.