Casimir Catholic College vs Marrickville High School
A head-to-head comparison of two secondary schools in New South Wales, 726 m apart, using official ACARA 2025 data. Best value in each row is highlighted.
Casimir Catholic College
Marrickville · Catholic high school · 7-12
827 students · ICSEA 1052
Marrickville High School
Marrickville · Government high school · 7-12
625 students · ICSEA 1052
| Measure | Casimir Catholic College Marrickville NSW | Marrickville High School Marrickville NSW |
|---|---|---|
| Success Index | 69 Top 25% | 75 Top 25% |
| State rank (type) | #119 of 539 | #60 of 539 |
| National rank (type) | #304 of 1,472 | #167 of 1,472 |
| Sector | Catholic | Government |
| Type | Secondary | Secondary |
| Year range | 7-12 | 7-12 |
| Students | 827 | 625 |
| Girls / boys | 378 / 449 | 240 / 385 |
| Foundation intake | – | – |
| Year 7 cohort | 147 | 102 |
| Year 12 cohort | 107 | 95 |
| VCE median study score VCAA, latest year | – | – |
| VCE study scores 40+ | – | – |
| 5-year enrolment growth | +16% | +33% |
| ICSEA Average 1000 | 1052 | 1052 |
| ICSEA percentile | 69th | 69th |
| Top SEA quarter | 20% | 28% |
| Bottom SEA quarter | 17% | 19% |
| Students per teacher | 12.7 | 9.2 |
| Teaching staff (FTE) | 65.1 | 67.9 |
| Non-teaching staff (FTE) | 12.9 | 19.0 |
| Language background other than English | 81% | 42% |
| Indigenous students | 1% | 4% |
| Suburb | Marrickville 2204 | Marrickville 2204 |
| Council area | Inner West | Inner West |
| Remoteness | Major Cities | Major Cities |
| Website | casimirmarrickville.syd.catholic.edu.au | marrickvil-h.schools.nsw.gov.au |
The verdict
- •Marrickville High School scores higher on the Success Index (75.1 vs 69.0).
- •Marrickville High School has fewer students per teacher (9.2 vs 12.7).
- •Casimir Catholic College is the larger school with 827 students compared with 625.
- •Marrickville High School has grown faster over five years (33% vs 16%).
- •Casimir Catholic College is a catholic school while Marrickville High School is a government school, so fees and enrolment rules differ.
The Success Index summarises community advantage, resourcing and momentum from ACARA data. It does not measure teaching quality, results or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Rockdale
Frequently asked questions
Is Casimir Catholic College better than Marrickville High School?
On the Success Index, Marrickville High School ranks higher (75.1 vs 69.0 out of 100). The index measures community advantage and momentum from ACARA data, not teaching quality, so visit both schools before deciding.
How far apart are Casimir Catholic College and Marrickville High School?
About 726 m in a straight line, between Marrickville and Marrickville in New South Wales.
Which has the better student-to-teacher ratio?
Casimir Catholic College has 12.7 students per full-time-equivalent teacher and Marrickville High School has 9.2.
How do Casimir Catholic College and Marrickville High School rank in NSW?
Casimir Catholic College is 119th of 539 and Marrickville High School is 60th of 539 among secondary schools in New South Wales on the 2025 Success Index.