Billabong High School
Secondary school in Culcairn, NSW
About Billabong High School
Billabong High School is a government secondary school located in Culcairn, Sydney's North Shore. As a NSW public school, it provides quality education to the local community, catering to students from 7-12.
With 312 students enrolled in 2025 and an ICSEA score of 946 (23th 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
- Location Culcairn, NSW 2660
- Website billabong-h.schools.nsw.gov.au
- MySchool View Profile
School Details
- Type Government
- Level Secondary (7-12)
- Gender Co-educational
- Students (2025) 312 enrolled
- Teaching Staff 35 (35.6 FTE)
- Non-Teaching Staff 12 (10.6 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. 946 (23th percentile)
- Indigenous Students 11%
Student Demographics
Gender
Boys: 155 (50%)
Girls: 157 (50%)
Language Background
LBOTE: 3%Language Background Other Than English – students who speak a language other than English at home.
English only: 97%
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 51%
Lower 34%
Upper 13%
Top 3%