Chatswood High School
Updated Oct 2026 · ACARA 2025Chatswood, New South Wales 2067 · Willoughby LGA
About Chatswood High School
Chatswood High School is a public high school located in Chatswood, New South Wales (2067), within the Willoughby local government area. It caters for students from 7 to 12 and in 2025 enrolled 2,147 students (766 girls and 1,381 boys).
Chatswood High School has an ICSEA value of 1137, indicating very high socio-educational advantage. That places it in the 93rd percentile of Australian schools. 54% of students come from the top socio-educational quarter and 3% from the bottom quarter.
The school employs 127 teachers (137.4 full-time equivalent) and 29 non-teaching staff, giving a student-to-teacher ratio of about 15.6 to 1. Enrolments have grown by 37% over the past five years.
On the Success Index, Chatswood High School scores 80.8 out of 100, placing it in the top 5% of secondary schools nationally and 17th of 539 secondary schools in NSW (2nd of 4 in the Willoughby area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1137
- Students in the top advantage quarter (15%)54% of students
- Teacher resourcing (students per teacher) (15%)15.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+37% enrolments since 2020 (area median +6%)
- ICSEA trend (5 years) (10%)+18 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 Chatswood High School's 2,147 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Chatswood High School have changed over the past decade.
Free academic assessment
Is your child on track at Chatswood High School?
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.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
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- Your nearest centre: Success Tutoring Chatswood
Schools near Chatswood High School
Closest schools by straight-line distance, with their Success Index.
Chatswood Public School
Chatswood · Government primary · K-6
1,083 students · ICSEA 1143 · 287 m away
St Pius X College
Chatswood · Independent combined · 5-12
1,183 students · ICSEA 1144 · 905 m away
Our Lady of Dolours Catholic Primary School
Chatswood · Catholic primary · K-6
355 students · ICSEA 1144 · 1.0 km away
Mercy Catholic College
Chatswood · Catholic high school · 7-12
728 students · ICSEA 1134 · 1.1 km away
Artarmon Public School
Artarmon · Government primary · K-6
1,063 students · ICSEA 1167 · 1.6 km away
Roseville College
Roseville · Independent combined · K-12
1,060 students · ICSEA 1191 · 1.7 km away
Lindfield Learning Village
Lindfield · Government combined · K-12
803 students · ICSEA 1152 · 1.8 km away
Aurora College
Lane Cove North · Government high school
· 1.8 km away
Mowbray Public School
Lane Cove · Government primary · K-6
714 students · ICSEA 1143 · 1.8 km away
Lane Cove Public School
Lane Cove · Government primary · K-6
688 students · ICSEA 1178 · 1.9 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Sydney Technical High School
Bexley · Government high school · 7-12
907 students · ICSEA 1136
Cammeraygal High School
Crows Nest · Government high school · 7-12
905 students · ICSEA 1135
Cheltenham Girls High School
Beecroft · Government high school · 7-12
1,436 students · ICSEA 1142
Killarney Heights High School
Killarney Heights · Government high school · 7-12
969 students · ICSEA 1132
Parramatta High School
Parramatta · Government high school · 7-12
1,128 students · ICSEA 1132
Cherrybrook Technology High School
Cherrybrook · Government high school · 7-12
2,098 students · ICSEA 1146
Frequently asked questions
Is Chatswood High School a public or private school?
Chatswood High School is a public (government) school run by the New South Wales education department.
What year levels does Chatswood High School offer?
Chatswood High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Chatswood High School?
In 2025, Chatswood High School had 2,147 enrolled students (766 girls, 1,381 boys), a change of 37% over five years.
What is the ICSEA of Chatswood High School?
Chatswood High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1137. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Chatswood High School rank in NSW?
Chatswood High School ranks 17th of 539 secondary schools in New South Wales on the Success Index (80.8/100), and 57th of 1,472 nationally.
What is the student-to-teacher ratio at Chatswood High School?
Chatswood High School has about 15.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Chatswood High School?
In 2025, Chatswood High School had 381 students in Year 7 and 302 in Year 12.
Is Chatswood High School co-ed?
Yes. Chatswood High School is a co-educational school enrolling both girls and boys.
What other schools are near Chatswood High School?
There are 10 other schools within 15 km of Chatswood 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 Chatswood High School?
The closest Success Tutoring centre is Success Tutoring Chatswood, about 670 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.