St Marys District School
Updated Oct 2026 · ACARA 2025St Marys, Tasmania 7215 · Break O'Day LGA
#39 of 51 combined schools in TAS
#1041 of 1,259 nationally
About St Marys District School
St Marys District School is a public combined (K–12) school located in St Marys, Tasmania (7215), within the Break O'Day local government area. It caters for students from K to 12 and in 2025 enrolled 215 students (106 girls and 109 boys).
St Marys District School has an ICSEA value of 928, indicating below-average socio-educational advantage. That places it in the 17th percentile of Australian schools. 4% of students come from the top socio-educational quarter and 54% from the bottom quarter.
The school employs 27 teachers (22.5 full-time equivalent) and 28 non-teaching staff, giving a student-to-teacher ratio of about 9.3 to 1. Enrolments have fallen by 30% over the past five years.
On the Success Index, St Marys District School scores 31.4 out of 100, placing it in the lower 50% of combined schools nationally and 39th of 51 combined schools in TAS (2nd of 2 in the Break O'Day area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 928
- Students in the top advantage quarter (15%)4% of students
- Teacher resourcing (students per teacher) (15%)9.3 students per teacher
- Enrolment growth vs local area (5 years) (10%)-30% enrolments since 2020
- 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 Marys District School's 215 students are spread across year levels in 2025.
Enrolment trend
How enrolments at St Marys District School have changed over the past decade.
Free academic assessment
Is your child on track at St Marys District School?
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Similar schools
Government combined schools in TAS with a comparable ICSEA.
Tasman District School
Nubeena · Government combined · K-12
152 students · ICSEA 930
Flinders Island District High School
Whitemark · Government combined · K-12
95 students · ICSEA 924
Sorell School
Sorell · Government combined · K-12
792 students · ICSEA 924
Sheffield School
Sheffield · Government combined · K-12
365 students · ICSEA 921
Cressy District High School
Cressy · Government combined · K-12
415 students · ICSEA 936
Lilydale District School
Lilydale · Government combined · K-12
291 students · ICSEA 939
Frequently asked questions
Is St Marys District School a public or private school?
St Marys District School is a public (government) school run by the Tasmania education department.
What year levels does St Marys District School offer?
St Marys District School offers K to 12. It is classified by ACARA as a combined school.
How many students attend St Marys District School?
In 2025, St Marys District School had 215 enrolled students (106 girls, 109 boys), a change of -30% over five years.
What is the ICSEA of St Marys District School?
St Marys District School has an ICSEA (Index of Community Socio-Educational Advantage) of 928. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does St Marys District School rank in TAS?
St Marys District School ranks 39th of 51 combined schools in Tasmania on the Success Index (31.4/100), and 1041st of 1,259 nationally.
What is the student-to-teacher ratio at St Marys District School?
St Marys District School has about 9.3 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at St Marys District School?
In 2025, St Marys District School had 18 students in Year 7 and 2 in Year 12.
Is St Marys District School co-ed?
Yes. St Marys District School is a co-educational school enrolling both girls and boys.
Where can I get tutoring near St Marys District School?
The closest Success Tutoring centre is Success Tutoring Springvale, about 480 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.