St Mary's Primary School
Updated Oct 2026 · ACARA 2025Casino, New South Wales 2470 · Richmond Valley LGA
#1068 of 1,619 primary schools in NSW
#3343 of 4,908 nationally
About St Mary's Primary School
St Mary's Primary School is a catholic primary school located in Casino, New South Wales (2470), within the Richmond Valley local government area. It caters for students from K to 6 and in 2025 enrolled 606 students (300 girls and 306 boys). The school is affiliated with Catholic Schools NSW.
St Mary's Primary School has an ICSEA value of 981, indicating a socio-educational profile close to the national average of 1000. That places it in the 38th percentile of Australian schools. 7% of students come from the top socio-educational quarter and 37% from the bottom quarter.
The school employs 39 teachers (36.6 full-time equivalent) and 23 non-teaching staff, giving a student-to-teacher ratio of about 16.6 to 1. Enrolments have grown by 18% over the past five years.
On the Success Index, St Mary's Primary School scores 41.2 out of 100, placing it in the lower 50% of primary schools nationally and 1068th of 1,619 primary schools in NSW (2nd of 5 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 981
- Students in the top advantage quarter (15%)7% of students
- Teacher resourcing (students per teacher) (15%)16.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+18% enrolments since 2020 (area median -22%)
- ICSEA trend (5 years) (10%)+4 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 Primary School's 606 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Mary's Primary School have changed over the past decade.
Free academic assessment
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Schools near St Mary's Primary School
Closest schools by straight-line distance, with their Success Index.
St Mary's Catholic College
Casino · Catholic high school · 7-12
425 students · ICSEA 985 · 112 m away
Casino Public School
Casino · Government primary · P-6
428 students · ICSEA 860 · 670 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 · 1.9 km away
Casino Christian School
North Casino · Independent combined · K-12
354 students · ICSEA 979 · 6.0 km away
Leeville Public School
Leeville · Government primary · K-6
48 students · ICSEA 953 · 8.7 km away
Manifold Public School
Bentley · Government primary · K-6
17 students · ICSEA 911 · 13 km away
Similar schools
Catholic primary schools in NSW with a comparable ICSEA.
St Joseph's Primary School
Adelong · Catholic primary · K-6
58 students · ICSEA 980
St Joseph's Primary School
Bulahdelah · Catholic primary · K-6
72 students · ICSEA 980
St Brendan's Primary School
Ganmain · Catholic primary · K-6
29 students · ICSEA 982
St Joseph's Primary School
Uralla · Catholic primary · K-6
52 students · ICSEA 982
St Joseph's Primary School
South Grafton · Catholic primary · K-6
126 students · ICSEA 979
Sacred Heart Primary School
Boggabri · Catholic primary · K-6
21 students · ICSEA 983
Frequently asked questions
Is St Mary's Primary School a public or private school?
St Mary's Primary School is a Catholic school, which makes it a non-government (private) school affiliated with Catholic Schools NSW.
What year levels does St Mary's Primary School offer?
St Mary's Primary School offers K to 6. It is classified by ACARA as a primary school.
How many students attend St Mary's Primary School?
In 2025, St Mary's Primary School had 606 enrolled students (300 girls, 306 boys), a change of 18% over five years.
What is the ICSEA of St Mary's Primary School?
St Mary's Primary School has an ICSEA (Index of Community Socio-Educational Advantage) of 981. 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 Primary School rank in NSW?
St Mary's Primary School ranks 1068th of 1,619 primary schools in New South Wales on the Success Index (41.2/100), and 3343rd of 4,908 nationally.
What is the student-to-teacher ratio at St Mary's Primary School?
St Mary's Primary School has about 16.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at St Mary's Primary School each year?
In 2025, St Mary's Primary School had 87 students in Kindergarten and 84 in Year 6.
Is St Mary's Primary School co-ed?
Yes. St Mary's Primary School is a co-educational school enrolling both girls and boys.
What other schools are near St Mary's Primary School?
There are 7 other schools within 15 km of St Mary's Primary School 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 Primary School?
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.