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Catholic School

Trinity Catholic College

Secondary school in Auburn, NSW

1,313
Students (2025)
1016
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.
13:1
Student:Teacher
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About Trinity Catholic College

Trinity Catholic College is a catholic secondary school located in Auburn, Sydney's North Shore. The school provides Catholic education within a caring community environment for students from 7-12.

With 1313 students enrolled in 2025 and an ICSEA score of 1016 (54th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 13:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Catholic
  • Level Secondary (7-12)
  • Gender Co-educational
  • Students (2025) 1,313 enrolled
  • Teaching Staff 112 (103.1 FTE)
  • Non-Teaching Staff 41 (28.8 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. 1016 (54th percentile)
  • Indigenous Students 1%

📊 Student Demographics

Gender
Boys: 669 (51%)
Girls: 644 (49%)
Language Background
LBOTE: 94%?Language Background Other Than English – students who speak a language other than English at home.
English only: 6%
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.
31%
30%
26%
13%
Bottom 31% Lower 30% Upper 26% Top 13%