Government School

Mosman High School

Secondary school in Mosman, NSW

1,087
Students (2025)
1126
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

About Mosman High School

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

With 1087 students enrolled in 2025 and an ICSEA score of 1126 (91th 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) 1,087 enrolled
  • Teaching Staff 66 (75.3 FTE)
  • Non-Teaching Staff 12 (14 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. 1126 (91th percentile)
  • Indigenous Students 0%

📊 Student Demographics

Gender
Boys: 573 (53%)
Girls: 514 (47%)
Language Background
LBOTE: 43%?Language Background Other Than English – students who speak a language other than English at home.
English only: 57%
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.
14%
33%
50%
Bottom 3% Lower 14% Upper 33% Top 50%