Pennant Hills High School
Updated Oct 2026 · ACARA 2025Pennant Hills, New South Wales 2120 · Hornsby LGA
About Pennant Hills High School
Pennant Hills High School is a public high school located in Pennant Hills, New South Wales (2120), within the Hornsby local government area. It caters for students from 7 to 12 and in 2025 enrolled 1,131 students (517 girls and 614 boys).
Pennant Hills High School has an ICSEA value of 1109, indicating very high socio-educational advantage. That places it in the 87th percentile of Australian schools. 43% of students come from the top socio-educational quarter and 5% from the bottom quarter.
The school employs 81 teachers (81.0 full-time equivalent) and 21 non-teaching staff, giving a student-to-teacher ratio of about 14.0 to 1. Enrolments have grown by 6% over the past five years.
On the Success Index, Pennant Hills High School scores 73.2 out of 100, placing it in the top 25% of secondary schools nationally and 72nd of 539 secondary schools in NSW (7th 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 1109
- Students in the top advantage quarter (15%)43% of students
- Teacher resourcing (students per teacher) (15%)14.0 students per teacher
- Enrolment growth vs local area (5 years) (10%)+6% enrolments since 2020 (area median +1%)
- ICSEA trend (5 years) (10%)+3 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 Pennant Hills High School's 1,131 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Pennant Hills High School have changed over the past decade.
Free academic assessment
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Schools near Pennant Hills High 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 · 686 m away
Mount St Benedict College
Pennant Hills · Independent high school · 7-12
1,331 students · ICSEA 1147 · 775 m away
St Agatha's Catholic Primary School
Pennant Hills · Catholic primary · K-6
217 students · ICSEA 1147 · 822 m away
Arden Anglican School, Junior Campus
Beecroft · Independent combined · K-12
997 students · ICSEA 1173 · 1.5 km away
Thornleigh West Public School
Thornleigh · Government primary · K-6
477 students · ICSEA 1142 · 1.5 km away
West Pennant Hills Public School
West Pennant Hills · Government primary · K-6
510 students · ICSEA 1134 · 1.7 km away
Cherrybrook Public School
Cherrybrook · Government primary · K-6
886 students · ICSEA 1164 · 1.8 km away
Beecroft Public School
Beecroft · Government primary · K-6
837 students · ICSEA 1187 · 2.1 km away
Tangara School for Girls
Cherrybrook · Independent combined · K-12
771 students · ICSEA 1141 · 2.3 km away
John Purchase Public School
Cherrybrook · Government primary · K-6
550 students · ICSEA 1168 · 2.6 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Bradfield College
St Leonards · Government high school · 11-12
322 students · ICSEA 1108
Rose Bay Secondary College
Dover Heights · Government high school · 7-12
1,127 students · ICSEA 1107
Carlingford High School
Carlingford · Government high school · 7-12
1,772 students · ICSEA 1111
Sydney Secondary College Balmain Campus
Rozelle · Government high school · 7-10
854 students · ICSEA 1112
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
Frequently asked questions
Is Pennant Hills High School a public or private school?
Pennant Hills High School is a public (government) school run by the New South Wales education department.
What year levels does Pennant Hills High School offer?
Pennant Hills High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Pennant Hills High School?
In 2025, Pennant Hills High School had 1,131 enrolled students (517 girls, 614 boys), a change of 6% over five years.
What is the ICSEA of Pennant Hills High School?
Pennant Hills High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1109. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Pennant Hills High School rank in NSW?
Pennant Hills High School ranks 72nd of 539 secondary schools in New South Wales on the Success Index (73.2/100), and 202nd of 1,472 nationally.
What is the student-to-teacher ratio at Pennant Hills High School?
Pennant Hills High School has about 14.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Pennant Hills High School?
In 2025, Pennant Hills High School had 176 students in Year 7 and 168 in Year 12.
Is Pennant Hills High School co-ed?
Yes. Pennant Hills High School is a co-educational school enrolling both girls and boys.
What other schools are near Pennant Hills High School?
There are 10 other schools within 15 km of Pennant 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 Pennant Hills High School?
The closest Success Tutoring centre is Success Tutoring Epping, about 4.4 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.