Baulkham Hills High School
Updated Oct 2026 · ACARA 2025Baulkham Hills, New South Wales 2153 · The Hills LGA
About Baulkham Hills High School
Baulkham Hills High School is a public high school located in Baulkham Hills, New South Wales (2153), within the The Hills local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,223 students (500 girls and 723 boys).
Baulkham Hills High School has an ICSEA value of 1203, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 99th percentile of Australian schools. 74% of students come from the top socio-educational quarter and 1% from the bottom quarter.
The school employs 89 teachers (88.8 full-time equivalent) and 24 non-teaching staff, giving a student-to-teacher ratio of about 13.8 to 1. Enrolments have remained steady over the past five years.
On the Success Index, Baulkham Hills High School scores 75.8 out of 100, placing it in the top 10% of secondary schools nationally and 50th of 539 secondary schools in NSW (3rd of 9 in the The Hills area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1203
- Students in the top advantage quarter (15%)74% of students
- Teacher resourcing (students per teacher) (15%)13.8 students per teacher
- Enrolment growth vs local area (5 years) (10%)-1% enrolments since 2020 (area median +0%)
- ICSEA trend (5 years) (10%)+0 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 Baulkham Hills High School's 1,223 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Baulkham Hills High School have changed over the past decade.
Free academic assessment
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Schools near Baulkham Hills High School
Closest schools by straight-line distance, with their Success Index.
Baulkham Hills North Public School
Baulkham Hills · Government primary · K-6
876 students · ICSEA 1130 · 796 m away
St Gabriel's School for students with special needs
Castle Hill · Independent special · U
207 students · ICSEA 1069 · 973 m away
Excelsior Public School
Castle Hill · Government primary · K-6
561 students · ICSEA 1150 · 1.1 km away
Gilroy Catholic College
Castle Hill · Catholic high school · 7-12
1,307 students · ICSEA 1096 · 1.2 km away
St Michael's Primary School
Baulkham Hills · Catholic primary · K-6
696 students · ICSEA 1113 · 1.3 km away
Jasper Road Public School
Baulkham Hills · Government primary · K-6
803 students · ICSEA 1132 · 1.5 km away
Crestwood High School
Baulkham Hills · Government high school · 7-12
1,022 students · ICSEA 1103 · 1.6 km away
Crestwood Public School
Baulkham Hills · Government primary · K-6
633 students · ICSEA 1139 · 1.8 km away
Woodbury
Baulkham Hills · Independent special · U
22 students · ICSEA 1112 · 1.9 km away
Our Lady of Lourdes Primary School
Baulkham Hills South · Catholic primary · K-6
403 students · ICSEA 1119 · 2.0 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
North Sydney Girls High School
Crows Nest · Government high school · 7-12
916 students · ICSEA 1203
Merewether High School
Broadmeadow · Government high school · 7-12
1,080 students · ICSEA 1206
Normanhurst Boys High School
Normanhurst · Government high school · 7-12
752 students · ICSEA 1207
Girraween High School
Girraween · Government high school · 7-12
784 students · ICSEA 1199
Hornsby Girls High School
Hornsby · Government high school · 7-12
722 students · ICSEA 1209
North Sydney Boys High School
Crows Nest · Government high school · 7-12
933 students · ICSEA 1195
Frequently asked questions
Is Baulkham Hills High School a public or private school?
Baulkham Hills High School is a public (government) school run by the New South Wales education department.
What year levels does Baulkham Hills High School offer?
Baulkham Hills High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Baulkham Hills High School?
In 2025, Baulkham Hills High School had 1,223 enrolled students (500 girls, 723 boys), a change of -1% over five years.
What is the ICSEA of Baulkham Hills High School?
Baulkham Hills High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1203. 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 Baulkham Hills High School rank in NSW?
Baulkham Hills High School ranks 50th of 539 secondary schools in New South Wales on the Success Index (75.8/100), and 142nd of 1,472 nationally.
What is the student-to-teacher ratio at Baulkham Hills High School?
Baulkham Hills High School has about 13.8 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Baulkham Hills High School?
In 2025, Baulkham Hills High School had 192 students in Year 7 and 213 in Year 12.
Is Baulkham Hills High School co-ed?
Yes. Baulkham Hills High School is a co-educational school enrolling both girls and boys.
What other schools are near Baulkham Hills High School?
There are 10 other schools within 15 km of Baulkham Hills 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 Baulkham Hills High School?
The closest Success Tutoring centre is Success Tutoring Baulkham Hills, about 1.2 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.