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Catholic School

St Mary's College

Combined school in Adelaide, SA

659
Students (2025)
1073
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.
11:1
Student:Teacher
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About St Mary's College

St Mary's College is a catholic combined school located in Adelaide, South Australia. The school provides Catholic education within a caring community environment for students from R-12.

With 659 students enrolled in 2025 and an ICSEA score of 1073 (76th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 11:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Catholic
  • Level Combined (R-12)
  • Gender Girls only
  • Students (2025) 659 enrolled
  • Teaching Staff 70 (60.9 FTE)
  • Non-Teaching Staff 42 (32.1 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. 1073 (76th percentile)
  • Indigenous Students 1%

📊 Student Demographics

Gender
Girls: 659 (100%)
Language Background
LBOTE: 15%?Language Background Other Than English – students who speak a language other than English at home.
English only: 85%
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.
10%
23%
42%
26%
Bottom 10% Lower 23% Upper 42% Top 26%