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Catholic School

St Mary's School

Primary school in Williamstown, VIC

263
Students (2025)
1107
ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000.
14:1
Student:Teacher
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About St Mary's School

St Mary's School is a catholic primary school located in Williamstown, Melbourne. The school provides Catholic education within a caring community environment for students from Prep-6.

With 263 students enrolled in 2025 and an ICSEA score of 1107 (86th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 14:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Catholic
  • Level Primary (Prep-6)
  • Gender Co-educational
  • Students (2025) 263 enrolled
  • Teaching Staff 24 (18.2 FTE)
  • Non-Teaching Staff 12 (7.2 FTE)
  • ICSEA?Index of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 1107 (86th percentile)
  • Indigenous Students undefined%

📊 Student Demographics

Gender
Boys: 132 (50%)
Girls: 131 (50%)
Language Background
LBOTE: 8%?Language Background Other Than English – students who speak a language other than English at home.
English only: 92%
ICSEA Distribution?Index of Community Socio-Educational Advantage – shows the distribution of students across socio-educational quarters. Based on parents' occupation, education, and school location. National average is 1000.
16%
41%
40%
Bottom 3% Lower 16% Upper 41% Top 40%