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Catholic School

St Mary's College

Secondary school in Gunnedah, NSW

411
Students (2025)
976
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 secondary school located in Gunnedah, Sydney's North Shore. The school provides Catholic education within a caring community environment for students from 7-12.

With 411 students enrolled in 2025 and an ICSEA score of 976 (36th 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 Secondary (7-12)
  • Gender Co-educational
  • Students (2025) 411 enrolled
  • Teaching Staff 44 (38.6 FTE)
  • Non-Teaching Staff 25 (18.1 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. 976 (36th percentile)
  • Indigenous Students 17%

📊 Student Demographics

Gender
Boys: 190 (46%)
Girls: 221 (54%)
Language Background
LBOTE: 3%?Language Background Other Than English – students who speak a language other than English at home.
English only: 97%
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.
34%
36%
20%
10%
Bottom 34% Lower 36% Upper 20% Top 10%