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Government School

Colo High School

Secondary school in North Richmond, NSW

807
Students (2025)
1001
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 Colo High School

Colo High School is a government secondary school located in North Richmond, Sydney's North Shore. As a NSW public school, it provides quality education to the local community, catering to students from 7-12.

With 807 students enrolled in 2025 and an ICSEA score of 1001 (47th 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 Government
  • Level Secondary (7-12)
  • Gender Co-educational
  • Students (2025) 807 enrolled
  • Teaching Staff 58 (58.1 FTE)
  • Non-Teaching Staff 16 (12.2 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. 1001 (47th percentile)
  • Indigenous Students 9%

📊 Student Demographics

Gender
Boys: 421 (52%)
Girls: 386 (48%)
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.
29%
36%
25%
11%
Bottom 29% Lower 36% Upper 25% Top 11%