St Mary's Catholic College
Updated Oct 2026 · ACARA 2025Casino, New South Wales 2470 · Richmond Valley LGA
#306 of 539 high schools in NSW
#831 of 1,472 nationally
About St Mary's Catholic College
St Mary's Catholic College is a catholic high school located in Casino, New South Wales (2470), within the Richmond Valley local government area. It caters for students from 7 to 12 and in 2025 enrolled 425 students (222 girls and 203 boys). The school is affiliated with Catholic Schools NSW.
St Mary's Catholic College has an ICSEA value of 985, indicating a socio-educational profile close to the national average of 1000. That places it in the 40th percentile of Australian schools. 7% of students come from the top socio-educational quarter and 38% from the bottom quarter.
The school employs 43 teachers (40.3 full-time equivalent) and 25 non-teaching staff, giving a student-to-teacher ratio of about 10.5 to 1. Enrolments have fallen by 6% over the past five years.
On the Success Index, St Mary's Catholic College scores 45.7 out of 100, placing it in the lower 50% of secondary schools nationally and 306th of 539 secondary schools in NSW (1st of 2 in the Richmond Valley area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 985
- Students in the top advantage quarter (15%)7% of students
- Teacher resourcing (students per teacher) (15%)10.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)-6% enrolments since 2020
- ICSEA trend (5 years) (10%)+0 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 St Mary's Catholic College's 425 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Catholic College have changed over the past decade.
Free academic assessment
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Schools near St Mary's Catholic College
Closest schools by straight-line distance, with their Success Index.
St Mary's Primary School
Casino · Catholic primary · K-6
606 students · ICSEA 981 · 112 m away
Casino Public School
Casino · Government primary · P-6
428 students · ICSEA 860 · 749 m away
Casino West Public School
Casino · Government primary · P-6
157 students · ICSEA 756 · 1.1 km away
Casino High School
Casino · Government high school · 7-12
567 students · ICSEA 866 · 1.8 km away
Casino Christian School
North Casino · Independent combined · K-12
354 students · ICSEA 979 · 5.9 km away
Leeville Public School
Leeville · Government primary · K-6
48 students · ICSEA 953 · 8.8 km away
Manifold Public School
Bentley · Government primary · K-6
17 students · ICSEA 911 · 13 km away
Similar schools
Catholic secondary schools in NSW with a comparable ICSEA.
Carroll College
Broulee · Catholic high school · 7-12
493 students · ICSEA 987
La Salle Academy Lithgow
Lithgow · Catholic high school · 7-12
230 students · ICSEA 980
McCarthy Catholic College
West Tamworth · Catholic high school · 7-12
935 students · ICSEA 991
St Mary's College
Gunnedah · Catholic high school · 7-12
411 students · ICSEA 976
Newman Senior Technical College
Port Macquarie · Catholic high school · 11-12
327 students · ICSEA 996
Emmaus Catholic College
Kemps Creek · Catholic high school · 7-12
674 students · ICSEA 996
Frequently asked questions
Is St Mary's Catholic College a public or private school?
St Mary's Catholic College is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does St Mary's Catholic College offer?
St Mary's Catholic College offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend St Mary's Catholic College?
In 2025, St Mary's Catholic College had 425 enrolled students (222 girls, 203 boys), a change of -6% over five years.
What is the ICSEA of St Mary's Catholic College?
St Mary's Catholic College has an ICSEA (Index of Community Socio-Educational Advantage) of 985. The national average is 1000, so this indicates a socio-educational profile close to the national average of 1000. ICSEA reflects the school community, not teaching quality.
How does St Mary's Catholic College rank in NSW?
St Mary's Catholic College ranks 306th of 539 secondary schools in New South Wales on the Success Index (45.7/100), and 831st of 1,472 nationally.
What is the student-to-teacher ratio at St Mary's Catholic College?
St Mary's Catholic College has about 10.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Mary's Catholic College?
In 2025, St Mary's Catholic College had 85 students in Year 7 and 50 in Year 12.
Is St Mary's Catholic College co-ed?
Yes. St Mary's Catholic College is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's Catholic College?
There are 7 other schools within 15 km of St Mary's 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 St Mary's Catholic College?
The closest Success Tutoring centre is Success Tutoring Mount Gravatt East, about 148 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.