Abbotsleigh
Updated Oct 2026 · ACARA 2025Wahroonga, New South Wales 2076 · Ku-ring-gai LGA
About Abbotsleigh
Abbotsleigh is an independent girls' combined (K–12) school located in Wahroonga, New South Wales (2076), within the Ku-ring-gai local government area. It caters for students from K to 12 and in 2025 enrolled 1,634 students. The school is affiliated with Independent Schools NSW.
Abbotsleigh has an ICSEA value of 1217, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 99th percentile of Australian schools. 84% of students come from the top socio-educational quarter and 1% from the bottom quarter.
The school employs 174 teachers (161.2 full-time equivalent) and 134 non-teaching staff, giving a student-to-teacher ratio of about 10.1 to 1. Enrolments have grown by 8% over the past five years.
On the Success Index, Abbotsleigh scores 83.2 out of 100, placing it in the top 5% of combined schools nationally and 21st of 314 combined schools in NSW (3rd of 9 in the Ku-ring-gai area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1217
- Students in the top advantage quarter (15%)84% of students
- Teacher resourcing (students per teacher) (15%)10.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)+8% enrolments since 2020 (area median +11%)
- ICSEA trend (5 years) (10%)+1 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 Abbotsleigh's 1,634 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Abbotsleigh have changed over the past decade.
Free academic assessment
Is your child on track at Abbotsleigh?
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
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Schools near Abbotsleigh
Closest schools by straight-line distance, with their Success Index.
St Leo's Catholic College
Wahroonga · Catholic high school · 7-12
1,055 students · ICSEA 1113 · 809 m away
Knox Grammar School
Wahroonga · Independent combined · K-12
3,345 students · ICSEA 1187 · 828 m away
St Lucy's School
Wahroonga · Independent special · U
246 students · ICSEA 1104 · 887 m away
Normanhurst Boys High School
Normanhurst · Government high school · 7-12
752 students · ICSEA 1207 · 930 m away
Our Lady of the Rosary Catholic Primary School
Waitara · Catholic primary · K-6
337 students · ICSEA 1153 · 933 m away
Loreto Normanhurst
Normanhurst · Independent combined · 5-12
1,240 students · ICSEA 1164 · 953 m away
Prouille Catholic Primary School
Wahroonga · Catholic primary · K-6
262 students · ICSEA 1156 · 1.1 km away
Normanhurst Public School
Normanhurst · Government primary · K-6
372 students · ICSEA 1139 · 1.3 km away
Marri Mittigar School
Hornsby · Independent special · K-8
28 students · ICSEA 984 · 1.3 km away
Waitara Public School
Wahroonga · Government primary · K-6
972 students · ICSEA 1148 · 1.3 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Ascham School
Edgecliff · Independent combined · K-12
1,182 students · ICSEA 1217
St Aloysius' College
Kirribilli · Independent combined · 3-12
1,347 students · ICSEA 1223
SCEGGS Darlinghurst
Darlinghurst · Independent combined · K-12
936 students · ICSEA 1209
SHORE - Sydney Church of England Grammar School
North Sydney · Independent combined · K-12
1,724 students · ICSEA 1205
Reddam House
Woollahra · Independent combined
· ICSEA 1203
Roseville College
Roseville · Independent combined · K-12
1,060 students · ICSEA 1191
Frequently asked questions
Is Abbotsleigh a public or private school?
Abbotsleigh is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.
What year levels does Abbotsleigh offer?
Abbotsleigh offers K to 12. It is classified by ACARA as a combined school.
How many students attend Abbotsleigh?
In 2025, Abbotsleigh had 1,634 enrolled students (1,634 girls, 0 boys), a change of 8% over five years.
What is the ICSEA of Abbotsleigh?
Abbotsleigh has an ICSEA (Index of Community Socio-Educational Advantage) of 1217. 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 Abbotsleigh rank in NSW?
Abbotsleigh ranks 21st of 314 combined schools in New South Wales on the Success Index (83.2/100), and 60th of 1,259 nationally.
What is the student-to-teacher ratio at Abbotsleigh?
Abbotsleigh has about 10.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Abbotsleigh?
In 2025, Abbotsleigh had 193 students in Year 7 and 185 in Year 12.
Is Abbotsleigh co-ed?
No. Abbotsleigh is a girls' school.
What other schools are near Abbotsleigh?
There are 10 other schools within 15 km of Abbotsleigh 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 Abbotsleigh?
The closest Success Tutoring centre is Success Tutoring Hornsby, about 2.5 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.