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Catholic School

Gilroy Catholic College

Secondary school in Castle Hill, NSW

1,307
Students (2025)
1096
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 Gilroy Catholic College

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

With 1307 students enrolled in 2025 and an ICSEA score of 1096 (83th 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 Secondary (7-12)
  • Gender Co-educational
  • Students (2025) 1,307 enrolled
  • Teaching Staff 98 (92 FTE)
  • Non-Teaching Staff 33 (20.6 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. 1096 (83th percentile)
  • Indigenous Students 1%

📊 Student Demographics

Gender
Boys: 641 (49%)
Girls: 666 (51%)
Language Background
LBOTE: 39%?Language Background Other Than English – students who speak a language other than English at home.
English only: 61%
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.
6%
22%
37%
35%
Bottom 6% Lower 22% Upper 37% Top 35%