Avondale School
Updated Oct 2026 · ACARA 2025Cooranbong, New South Wales 2265 · Lake Macquarie LGA
#216 of 314 combined schools in NSW
#685 of 1,259 nationally
About Avondale School
Avondale School is an independent combined (K–12) school located in Cooranbong, New South Wales (2265), within the Lake Macquarie local government area. It caters for students from K to 12 and in 2025 enrolled 977 students (513 girls and 464 boys). The school is affiliated with Adventist Schools Australia.
Avondale School has an ICSEA value of 1055, indicating above-average socio-educational advantage. That places it in the 70th percentile of Australian schools. 23% of students come from the top socio-educational quarter and 13% from the bottom quarter.
The school employs 74 teachers (67.2 full-time equivalent) and 58 non-teaching staff, giving a student-to-teacher ratio of about 14.5 to 1. Enrolments have grown by 14% over the past five years.
On the Success Index, Avondale School scores 48.3 out of 100, placing it in the top 50% of combined schools nationally and 216th of 314 combined schools in NSW (5th of 7 in the Lake Macquarie area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1055
- Students in the top advantage quarter (15%)23% of students
- Teacher resourcing (students per teacher) (15%)14.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)+14% enrolments since 2020 (area median +31%)
- ICSEA trend (5 years) (10%)+4 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 Avondale School's 977 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Avondale School have changed over the past decade.
Free academic assessment
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Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
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Schools near Avondale School
Closest schools by straight-line distance, with their Success Index.
Cooranbong Public School
Cooranbong · Government primary · K-6
330 students · ICSEA 948 · 2.9 km away
Dora Creek Public School
Dora Creek · Government primary · K-6
139 students · ICSEA 939 · 3.7 km away
Morisset Public School
Morisset · Government primary · K-6
156 students · ICSEA 919 · 5.0 km away
Morisset High School
Morisset · Government high school · 7-12
687 students · ICSEA 929 · 5.0 km away
St John Vianney Primary School
Morisset · Catholic primary · K-6
118 students · ICSEA 961 · 5.5 km away
Heritage College Lake Macquarie
Morisset · Independent combined · K-12
511 students · ICSEA 1002 · 5.6 km away
Bonnells Bay Public School
Bonnells Bay · Government primary · K-6
376 students · ICSEA 925 · 7.5 km away
Awaba Public School
Awaba · Government primary · K-6
29 students · ICSEA 940 · 9.0 km away
Brightwaters Christian College
Brightwaters · Independent combined · K-10
106 students · ICSEA 1001 · 9.2 km away
Toronto Adventist School
Toronto · Independent primary · K-6
43 students · ICSEA 1173 · 10 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Lakes Grammar - An Anglican School
Warnervale · Independent combined · K-12
796 students · ICSEA 1054
St Charbel's College
Punchbowl · Independent combined · K-12
1,198 students · ICSEA 1054
Calderwood Christian School
Albion Park · Independent combined · K-12
504 students · ICSEA 1056
Wollondilly Anglican College
Tahmoor · Independent combined · K-12
1,247 students · ICSEA 1054
The Nature School
Port Macquarie · Independent combined · K-9
171 students · ICSEA 1054
St Gregory's College Campbelltown
Gregory Hills · Independent combined · K-12
1,442 students · ICSEA 1057
Frequently asked questions
Is Avondale School a public or private school?
Avondale School is a Independent school, which makes it a non-government (private) school affiliated with Adventist Schools Australia.
What year levels does Avondale School offer?
Avondale School offers K to 12. It is classified by ACARA as a combined school.
How many students attend Avondale School?
In 2025, Avondale School had 977 enrolled students (513 girls, 464 boys), a change of 14% over five years.
What is the ICSEA of Avondale School?
Avondale School has an ICSEA (Index of Community Socio-Educational Advantage) of 1055. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Avondale School rank in NSW?
Avondale School ranks 216th of 314 combined schools in New South Wales on the Success Index (48.3/100), and 685th of 1,259 nationally.
What is the student-to-teacher ratio at Avondale School?
Avondale School has about 14.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Avondale School?
In 2025, Avondale School had 98 students in Year 7 and 53 in Year 12.
Is Avondale School co-ed?
Yes. Avondale School is a co-educational school enrolling both girls and boys.
What other schools are near Avondale School?
There are 10 other schools within 15 km of Avondale 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 Avondale School?
The closest Success Tutoring centre is Success Tutoring Belmont, about 19 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.