Government School

Thomas Reddall High School

Secondary school in Ambarvale, NSW

488
Students (2025)
908
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.
9:1
Student:Teacher

About Thomas Reddall High School

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

With 488 students enrolled in 2025 and an ICSEA score of 908 (12th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 9:1 supports quality learning outcomes.

📍 Contact & Location

🎓 School Details

  • Type Government
  • Level Secondary (7-12)
  • Gender Co-educational
  • Students (2025) 488 enrolled
  • Teaching Staff 52 (53.2 FTE)
  • Non-Teaching Staff 16 (15.2 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. 908 (12th percentile)
  • Indigenous Students 19%

📊 Student Demographics

Gender
Boys: 250 (51%)
Girls: 238 (49%)
Language Background
LBOTE: 42%?Language Background Other Than English – students who speak a language other than English at home.
English only: 58%
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.
63%
25%
10%
Bottom 63% Lower 25% Upper 10% Top 2%