Thornleigh West Public School
Updated Oct 2026 · ACARA 2025Thornleigh, New South Wales 2120 · Hornsby LGA
#130 of 1,619 primary schools in NSW
#486 of 4,908 nationally
About Thornleigh West Public School
Thornleigh West Public School is a public primary school located in Thornleigh, New South Wales (2120), within the Hornsby local government area. It caters for students from K to 6 and in 2025 enrolled 477 students (218 girls and 259 boys).
Thornleigh West Public School has an ICSEA value of 1142, indicating very high socio-educational advantage. That places it in the 94th percentile of Australian schools. 58% of students come from the top socio-educational quarter and 3% from the bottom quarter.
The school employs 31 teachers (29.7 full-time equivalent) and 7 non-teaching staff, giving a student-to-teacher ratio of about 16.1 to 1. Enrolments have fallen by 22% over the past five years.
On the Success Index, Thornleigh West Public School scores 75.7 out of 100, placing it in the top 10% of primary schools nationally and 130th of 1,619 primary schools in NSW (9th of 25 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 1142
- Students in the top advantage quarter (15%)58% of students
- Teacher resourcing (students per teacher) (15%)16.1 students per teacher
- Enrolment growth vs local area (5 years) (10%)-22% enrolments since 2020 (area median -16%)
- ICSEA trend (5 years) (10%)+12 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 Thornleigh West Public School's 477 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Thornleigh West Public School have changed over the past decade.
Free academic assessment
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Schools near Thornleigh West Public School
Closest schools by straight-line distance, with their Success Index.
Pennant Hills Public School
Pennant Hills · Government primary · K-6
490 students · ICSEA 1143 · 1.4 km away
Normanhurst West Public School
Thornleigh · Government primary · K-6
363 students · ICSEA 1136 · 1.5 km away
Pennant Hills High School
Pennant Hills · Government high school · 7-12
1,131 students · ICSEA 1109 · 1.5 km away
St Agatha's Catholic Primary School
Pennant Hills · Catholic primary · K-6
217 students · ICSEA 1147 · 1.8 km away
Mount St Benedict College
Pennant Hills · Independent high school · 7-12
1,331 students · ICSEA 1147 · 2.2 km away
Normanhurst Public School
Normanhurst · Government primary · K-6
372 students · ICSEA 1139 · 2.4 km away
Hornsby South Public School
Hornsby · Government primary · K-6
534 students · ICSEA 1110 · 2.4 km away
Clarke Road School
Hornsby · Government special · U
61 students · ICSEA 1063 · 2.5 km away
Arden Anglican School, Junior Campus
Beecroft · Independent combined · K-12
997 students · ICSEA 1173 · 2.6 km away
Loreto Normanhurst
Normanhurst · Independent combined · 5-12
1,240 students · ICSEA 1164 · 2.7 km away
Similar schools
Government primary schools in NSW with a comparable ICSEA.
Murray Farm Public School
Carlingford · Government primary · K-6
787 students · ICSEA 1142
Australia Street Infants School
Newtown · Government primary · P-2
104 students · ICSEA 1143
Pennant Hills Public School
Pennant Hills · Government primary · K-6
490 students · ICSEA 1143
Willoughby Public School
Willoughby · Government primary · K-6
905 students · ICSEA 1143
Mowbray Public School
Lane Cove · Government primary · K-6
714 students · ICSEA 1143
Forestville Public School
Forestville · Government primary · K-6
462 students · ICSEA 1141
Frequently asked questions
Is Thornleigh West Public School a public or private school?
Thornleigh West Public School is a public (government) school run by the New South Wales education department.
What year levels does Thornleigh West Public School offer?
Thornleigh West Public School offers K to 6. It is classified by ACARA as a primary school.
How many students attend Thornleigh West Public School?
In 2025, Thornleigh West Public School had 477 enrolled students (218 girls, 259 boys), a change of -22% over five years.
What is the ICSEA of Thornleigh West Public School?
Thornleigh West Public School has an ICSEA (Index of Community Socio-Educational Advantage) of 1142. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Thornleigh West Public School rank in NSW?
Thornleigh West Public School ranks 130th of 1,619 primary schools in New South Wales on the Success Index (75.7/100), and 486th of 4,908 nationally.
What is the student-to-teacher ratio at Thornleigh West Public School?
Thornleigh West Public School has about 16.1 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How many students start Kindergarten at Thornleigh West Public School each year?
In 2025, Thornleigh West Public School had 56 students in Kindergarten and 77 in Year 6.
Is Thornleigh West Public School co-ed?
Yes. Thornleigh West Public School is a co-educational school enrolling both girls and boys.
What other schools are near Thornleigh West Public School?
There are 10 other schools within 15 km of Thornleigh West Public 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 Thornleigh West Public School?
The closest Success Tutoring centre is Success Tutoring Hornsby, about 3.4 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.