Hornsby Girls High School
Updated Oct 2026 · ACARA 2025Hornsby, New South Wales 2077 · Hornsby LGA
About Hornsby Girls High School
Hornsby Girls High School is a public girls' high school located in Hornsby, New South Wales (2077), within the Hornsby local government area. It caters for students from 7 to 12 and in 2025 enrolled 722 students.
Hornsby Girls High School has an ICSEA value of 1209, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 99th percentile of Australian schools. 78% of students come from the top socio-educational quarter and 0% from the bottom quarter.
The school employs 58 teachers (53.5 full-time equivalent) and 11 non-teaching staff, giving a student-to-teacher ratio of about 13.5 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Hornsby Girls High School scores 77.7 out of 100, placing it in the top 10% of secondary schools nationally and 33rd of 539 secondary schools in NSW (4th of 11 in the Hornsby area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1209
- Students in the top advantage quarter (15%)78% of students
- Teacher resourcing (students per teacher) (15%)13.5 students per teacher
- Enrolment growth vs local area (5 years) (10%)+0% enrolments since 2020 (area median +1%)
- 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 Hornsby Girls High School's 722 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Hornsby Girls High School have changed over the past decade.
Free academic assessment
Is your child on track at Hornsby Girls 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
- Flexible memberships, no lock-in contracts
- Your nearest centre: Success Tutoring Hornsby
Schools near Hornsby Girls High School
Closest schools by straight-line distance, with their Success Index.
Barker College
Hornsby · Independent combined · K-12
2,856 students · ICSEA 1166 · 346 m away
Marri Mittigar School
Hornsby · Independent special · K-8
28 students · ICSEA 984 · 550 m away
Clarke Road School
Hornsby · Government special · U
61 students · ICSEA 1063 · 787 m away
Our Lady of the Rosary Catholic Primary School
Waitara · Catholic primary · K-6
337 students · ICSEA 1153 · 852 m away
Hornsby South Public School
Hornsby · Government primary · K-6
534 students · ICSEA 1110 · 941 m away
Waitara Public School
Wahroonga · Government primary · K-6
972 students · ICSEA 1148 · 979 m away
St Leo's Catholic College
Wahroonga · Catholic high school · 7-12
1,055 students · ICSEA 1113 · 990 m away
Blue Gum Community School
Hornsby · Independent primary · K-2
21 students · ICSEA 1105 · 1.1 km away
Hornsby High School
Asquith · Government high school · 7-12
542 students · ICSEA 1045 · 1.6 km away
Loreto Normanhurst
Normanhurst · Independent combined · 5-12
1,240 students · ICSEA 1164 · 1.6 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Normanhurst Boys High School
Normanhurst · Government high school · 7-12
752 students · ICSEA 1207
Merewether High School
Broadmeadow · Government high school · 7-12
1,080 students · ICSEA 1206
North Sydney Girls High School
Crows Nest · Government high school · 7-12
916 students · ICSEA 1203
Baulkham Hills High School
Baulkham Hills · Government high school · 7-12
1,223 students · ICSEA 1203
Northern Beaches Secondary College Manly Campus
North Curl Curl · Government high school · 7-12
766 students · ICSEA 1217
Girraween High School
Girraween · Government high school · 7-12
784 students · ICSEA 1199
Frequently asked questions
Is Hornsby Girls High School a public or private school?
Hornsby Girls High School is a public (government) school run by the New South Wales education department.
What year levels does Hornsby Girls High School offer?
Hornsby Girls High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Hornsby Girls High School?
In 2025, Hornsby Girls High School had 722 enrolled students (722 girls, 0 boys), a change of 0% over five years.
What is the ICSEA of Hornsby Girls High School?
Hornsby Girls High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1209. 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 Hornsby Girls High School rank in NSW?
Hornsby Girls High School ranks 33rd of 539 secondary schools in New South Wales on the Success Index (77.7/100), and 99th of 1,472 nationally.
What is the student-to-teacher ratio at Hornsby Girls High School?
Hornsby Girls High School has about 13.5 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Hornsby Girls High School?
In 2025, Hornsby Girls High School had 120 students in Year 7 and 123 in Year 12.
Is Hornsby Girls High School co-ed?
No. Hornsby Girls High School is a girls' school.
What other schools are near Hornsby Girls High School?
There are 10 other schools within 15 km of Hornsby 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 Hornsby Girls High School?
The closest Success Tutoring centre is Success Tutoring Hornsby, about 718 m from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.