Overview
St Mary's School is a catholic primary school in Williamstown, Victoria, serving Prep-6. The school has 263 enrolled students. Its ICSEA value is 1107 (well above average). The student-to-teacher ratio is 14.5:1. The school is located in a SEIFA IRSD decile 10 area.
Source: ACARA School Profile 2025 (2025)
Key Facts
SectorCatholic
School TypePrimary
Year RangePrep-6
Governing BodyVictorian Catholic Education Authority
Postcode3016
LGAMansfield (S)
RemotenessMajor Cities
ACARA ID45641
Student Background
Total Enrolments263
Gender Split131 girls / 132 boys
Indigenous Students0%
Language Background Other Than English8%
English Background92%
Socio-Educational Advantage Distribution
Source: ACARA School Profile (2025)
Enrolment by Year Level
263 students across 7 year levels (2025)
One year before Yr 141
Yr 135
Yr 254
Yr 337
Yr 431
Yr 532
Yr 633
Source: ACARA Enrolments by Grade (2025)
Staffing
Teaching Staff24 (18.2 FTE)
Non-Teaching Staff12 (7.2 FTE)
Total Staff36
Student:Teacher Ratio14.5:1
Source: ACARA School Profile (2025)