Billabong High School
Updated Oct 2026 · ACARA 2025Culcairn, New South Wales 2660 · Greater Hume LGA
#436 of 539 high schools in NSW
#1193 of 1,472 nationally
About Billabong High School
Billabong High School is a public high school located in Culcairn, New South Wales (2660), within the Greater Hume local government area. It caters for students from 7 to 12 and in 2025 enrolled 312 students (157 girls and 155 boys).
Billabong High School has an ICSEA value of 946, indicating below-average socio-educational advantage. That places it in the 23rd percentile of Australian schools. 3% of students come from the top socio-educational quarter and 51% from the bottom quarter.
The school employs 35 teachers (35.6 full-time equivalent) and 12 non-teaching staff, giving a student-to-teacher ratio of about 8.8 to 1. Enrolments have fallen by 17% over the past five years.
On the Success Index, Billabong High School scores 29.3 out of 100, placing it in the lower 50% of secondary schools nationally and 436th of 539 secondary schools in NSW (2nd of 2 in the Greater Hume area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 946
- Students in the top advantage quarter (15%)3% of students
- Teacher resourcing (students per teacher) (15%)8.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)-17% enrolments since 2020
- ICSEA trend (5 years) (10%)-20 ICSEA points since 2020
The Success Index summarises the academic environment of a school community using official ACARA data. It is not a measure of teaching quality or student results. Read the methodology.
Student profile
Distribution of students across socio-educational advantage (SEA) quarters, plus community characteristics.
Enrolments by year level
How Billabong High School's 312 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Billabong High School have changed over the past decade.
Free academic assessment
Is your child on track at Billabong High School?
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Schools near Billabong High School
Closest schools by straight-line distance, with their Success Index.
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Hawkesbury High School
Freemans Reach · Government high school · 7-12
418 students · ICSEA 946
Wyong High School
Wyong · Government high school · 7-12
674 students · ICSEA 946
Glendale Technology High School
Glendale · Government high school · 7-12
802 students · ICSEA 946
Bombala High School
Bombala · Government high school · 7-12
148 students · ICSEA 946
The Henry Lawson High School
Grenfell · Government high school · 7-12
178 students · ICSEA 946
Maitland High School
East Maitland · Government high school · 7-12
958 students · ICSEA 947
Frequently asked questions
Is Billabong High School a public or private school?
Billabong High School is a public (government) school run by the New South Wales education department.
What year levels does Billabong High School offer?
Billabong High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Billabong High School?
In 2025, Billabong High School had 312 enrolled students (157 girls, 155 boys), a change of -17% over five years.
What is the ICSEA of Billabong High School?
Billabong High School has an ICSEA (Index of Community Socio-Educational Advantage) of 946. The national average is 1000, so this indicates below-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Billabong High School rank in NSW?
Billabong High School ranks 436th of 539 secondary schools in New South Wales on the Success Index (29.3/100), and 1193rd of 1,472 nationally.
What is the student-to-teacher ratio at Billabong High School?
Billabong High School has about 8.8 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Billabong High School?
In 2025, Billabong High School had 48 students in Year 7 and 30 in Year 12.
Is Billabong High School co-ed?
Yes. Billabong High School is a co-educational school enrolling both girls and boys.
What other schools are near Billabong High School?
There are 2 other schools within 15 km of Billabong High School in our database. Scroll up to the "Nearby schools" section to compare them by Success Index, ICSEA and enrolments, or use the Compare tool.
Where can I get tutoring near Billabong High School?
The closest Success Tutoring centre is Success Tutoring Dickson, about 196 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.