Cardiff High School
Secondary school in Cardiff, NSW
About Cardiff High School
Cardiff High School is a government secondary school located in Cardiff, Sydney's North Shore. As a NSW public school, it provides quality education to the local community, catering to students from 7-12.
With 778 students enrolled in 2025 and an ICSEA score of 986 (40th percentile), the school serves a community with above-average socio-educational advantage. The student-to-teacher ratio of 12:1 supports quality learning outcomes.
Contact & Location
- Location Cardiff, NSW 2285
- Website cardiff-h.schools.nsw.gov.au
- MySchool View Profile
School Details
- Type Government
- Level Secondary (7-12)
- Gender Co-educational
- Students (2025) 778 enrolled
- Teaching Staff 61 (66.1 FTE)
- Non-Teaching Staff 24 (19.1 FTE)
- ICSEAIndex of Community Socio-Educational Advantage – measures the socio-educational background of students. Based on parents' occupation, education, and school location. National average is 1000. 986 (40th percentile)
- Indigenous Students 16%
Student Demographics
Gender
Boys: 411 (53%)
Girls: 367 (47%)
Language Background
LBOTE: 9%Language Background Other Than English – students who speak a language other than English at home.
English only: 91%
ICSEA DistributionIndex 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.
Bottom 33%
Lower 32%
Upper 24%
Top 11%