Crestwood High School
Updated Oct 2026 · ACARA 2025Baulkham Hills, New South Wales 2153 · The Hills LGA
About Crestwood High School
Crestwood 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 1,022 students (466 girls and 556 boys).
Crestwood High School has an ICSEA value of 1103, indicating very high socio-educational advantage. That places it in the 85th percentile of Australian schools. 42% of students come from the top socio-educational quarter and 8% from the bottom quarter.
The school employs 71 teachers (75.9 full-time equivalent) and 18 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, Crestwood High School scores 76.2 out of 100, placing it in the top 10% of secondary schools nationally and 48th of 539 secondary schools in NSW (2nd 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 1103
- Students in the top advantage quarter (15%)42% 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 +0%)
- ICSEA trend (5 years) (10%)+31 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 Crestwood High School's 1,022 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Crestwood High School have changed over the past decade.
Free academic assessment
Is your child on track at Crestwood High School?
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- Your nearest centre: Success Tutoring Baulkham Hills
Schools near Crestwood High School
Closest schools by straight-line distance, with their Success Index.
St Michael's Primary School
Baulkham Hills · Catholic primary · K-6
696 students · ICSEA 1113 · 402 m away
Crestwood Public School
Baulkham Hills · Government primary · K-6
633 students · ICSEA 1139 · 694 m away
Excelsior Public School
Castle Hill · Government primary · K-6
561 students · ICSEA 1150 · 1.4 km away
Baulkham Hills High School
Baulkham Hills · Government high school · 7-12
1,223 students · ICSEA 1203 · 1.6 km away
Matthew Pearce Public School
Baulkham Hills · Government primary · K-6
1,270 students · ICSEA 1177 · 2.0 km away
Gilroy Catholic College
Castle Hill · Catholic high school · 7-12
1,307 students · ICSEA 1096 · 2.0 km away
Jasper Road Public School
Baulkham Hills · Government primary · K-6
803 students · ICSEA 1132 · 2.1 km away
St Gabriel's School for students with special needs
Castle Hill · Independent special · U
207 students · ICSEA 1069 · 2.1 km away
Baulkham Hills North Public School
Baulkham Hills · Government primary · K-6
876 students · ICSEA 1130 · 2.4 km away
Woodbury
Baulkham Hills · Independent special · U
22 students · ICSEA 1112 · 2.5 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Sydney Secondary College Leichhardt Campus
Leichhardt · Government high school · 7-10
784 students · ICSEA 1104
Hunters Hill High School
Hunters Hill · Government high school · 7-12
790 students · ICSEA 1104
Ryde Secondary College
Ryde · Government high school · 7-12
1,487 students · ICSEA 1102
Inner Sydney High School
Surry Hills · Government high school · 7-12
1,161 students · ICSEA 1104
Rose Bay Secondary College
Dover Heights · Government high school · 7-12
1,127 students · ICSEA 1107
Northern Beaches Secondary College Freshwater Senior Campus
Freshwater · Government high school · 11-12
647 students · ICSEA 1098
Frequently asked questions
Is Crestwood High School a public or private school?
Crestwood High School is a public (government) school run by the New South Wales education department.
What year levels does Crestwood High School offer?
Crestwood High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Crestwood High School?
In 2025, Crestwood High School had 1,022 enrolled students (466 girls, 556 boys), a change of 0% over five years.
What is the ICSEA of Crestwood High School?
Crestwood High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1103. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Crestwood High School rank in NSW?
Crestwood High School ranks 48th of 539 secondary schools in New South Wales on the Success Index (76.2/100), and 132nd of 1,472 nationally.
What is the student-to-teacher ratio at Crestwood High School?
Crestwood 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 Crestwood High School?
In 2025, Crestwood High School had 183 students in Year 7 and 179 in Year 12.
Is Crestwood High School co-ed?
Yes. Crestwood High School is a co-educational school enrolling both girls and boys.
What other schools are near Crestwood High School?
There are 10 other schools within 15 km of Crestwood 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 Crestwood High School?
The closest Success Tutoring centre is Success Tutoring Baulkham Hills, about 1.3 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.