Willoughby Girls High School
Updated Oct 2026 · ACARA 2025Willoughby, New South Wales 2068 · Willoughby LGA
About Willoughby Girls High School
Willoughby Girls High School is a public girls' high school located in Willoughby, New South Wales (2068), within the Willoughby local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,036 students.
Willoughby Girls High School has an ICSEA value of 1152, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 96th percentile of Australian schools. 61% of students come from the top socio-educational quarter and 2% from the bottom quarter.
The school employs 73 teachers (73.7 full-time equivalent) and 16 non-teaching staff, giving a student-to-teacher ratio of about 14.0 to 1. Enrolments have grown by 7% over the past five years.
On the Success Index, Willoughby Girls High School scores 79.9 out of 100, placing it in the top 10% of secondary schools nationally and 21st of 539 secondary schools in NSW (3rd 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 1152
- Students in the top advantage quarter (15%)61% of students
- Teacher resourcing (students per teacher) (15%)14.0 students per teacher
- Enrolment growth vs local area (5 years) (10%)+7% 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 Willoughby Girls High School's 1,036 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Willoughby Girls High School have changed over the past decade.
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Schools near Willoughby Girls High School
Closest schools by straight-line distance, with their Success Index.
Willoughby Public School
Willoughby · Government primary · K-6
905 students · ICSEA 1143 · 105 m away
St Thomas' Catholic Primary School
Willoughby · Catholic primary · K-6
277 students · ICSEA 1161 · 795 m away
Glenaeon Rudolf Steiner School
Middle Cove · Independent combined · K-12
405 students · ICSEA 1148 · 1.5 km away
Artarmon Public School
Artarmon · Government primary · K-6
1,063 students · ICSEA 1167 · 1.6 km away
St Philip Neri Catholic Primary School
Northbridge · Catholic primary · K-6
102 students · ICSEA 1170 · 1.7 km away
Our Lady of Dolours Catholic Primary School
Chatswood · Catholic primary · K-6
355 students · ICSEA 1144 · 1.7 km away
Mercy Catholic College
Chatswood · Catholic high school · 7-12
728 students · ICSEA 1134 · 1.8 km away
Naremburn School
Naremburn · Government special · U
30 students · ICSEA 1075 · 1.8 km away
St Pius X College
Chatswood · Independent combined · 5-12
1,183 students · ICSEA 1144 · 1.8 km away
Northbridge Public School
Northbridge · Government primary · K-6
364 students · ICSEA 1181 · 2.0 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
St George Girls High School
Kogarah · Government high school · 7-12
908 students · ICSEA 1148
Killara High School
Killara · Government high school · 7-12
1,803 students · ICSEA 1147
Hurlstone Agricultural High School
Glenfield · Government high school · 7-12
934 students · ICSEA 1147
Gosford High School
Gosford · Government high school · 7-12
1,067 students · ICSEA 1157
Cherrybrook Technology High School
Cherrybrook · Government high school · 7-12
2,098 students · ICSEA 1146
Cheltenham Girls High School
Beecroft · Government high school · 7-12
1,436 students · ICSEA 1142
Frequently asked questions
Is Willoughby Girls High School a public or private school?
Willoughby Girls High School is a public (government) school run by the New South Wales education department.
What year levels does Willoughby Girls High School offer?
Willoughby Girls High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Willoughby Girls High School?
In 2025, Willoughby Girls High School had 1,036 enrolled students (1,036 girls, 0 boys), a change of 7% over five years.
What is the ICSEA of Willoughby Girls High School?
Willoughby Girls High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1152. The national average is 1000, so this indicates exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. ICSEA reflects the school community, not teaching quality.
How does Willoughby Girls High School rank in NSW?
Willoughby Girls High School ranks 21st of 539 secondary schools in New South Wales on the Success Index (79.9/100), and 70th of 1,472 nationally.
What is the student-to-teacher ratio at Willoughby Girls High School?
Willoughby Girls High School has about 14.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Willoughby Girls High School?
In 2025, Willoughby Girls High School had 176 students in Year 7 and 147 in Year 12.
Is Willoughby Girls High School co-ed?
No. Willoughby Girls High School is a girls' school.
What other schools are near Willoughby Girls High School?
There are 10 other schools within 15 km of Willoughby Girls 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 Willoughby Girls High School?
The closest Success Tutoring centre is Success Tutoring Chatswood, about 1.9 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.