The Hills Grammar School
Updated Oct 2026 · ACARA 2025Kenthurst, New South Wales 2156 · The Hills LGA
About The Hills Grammar School
The Hills Grammar School is an independent combined (K–12) school located in Kenthurst, New South Wales (2156), within the The Hills local government area. It caters for students from K to 12 and in 2025 enrolled 1,208 students (518 girls and 690 boys). The school is affiliated with Independent Schools NSW.
The Hills Grammar School has an ICSEA value of 1164, indicating exceptionally high socio-educational advantage, among the most advantaged school communities in Australia. That places it in the 97th percentile of Australian schools. 66% of students come from the top socio-educational quarter and 1% from the bottom quarter.
The school employs 119 teachers (108.0 full-time equivalent) and 84 non-teaching staff, giving a student-to-teacher ratio of about 11.2 to 1. Enrolments have grown by 31% over the past five years.
On the Success Index, The Hills Grammar School scores 82.9 out of 100, placing it in the top 5% of combined schools nationally and 23rd of 314 combined schools in NSW (1st of 5 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 1164
- Students in the top advantage quarter (15%)66% of students
- Teacher resourcing (students per teacher) (15%)11.2 students per teacher
- Enrolment growth vs local area (5 years) (10%)+31% enrolments since 2020 (area median +30%)
- ICSEA trend (5 years) (10%)+26 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 The Hills Grammar School's 1,208 students are spread across year levels in 2025.
Enrolment trend
How enrolments at The Hills Grammar School have changed over the past decade.
Free academic assessment
Is your child on track at The Hills Grammar School?
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Schools near The Hills Grammar School
Closest schools by straight-line distance, with their Success Index.
Marian Catholic College
Kenthurst · Catholic high school · 7-12
1,035 students · ICSEA 1073 · 1.2 km away
Dural Public School
Dural · Government primary · K-6
350 students · ICSEA 1102 · 1.2 km away
St Madeleine's Primary School
Kenthurst · Catholic primary · K-6
388 students · ICSEA 1064 · 1.2 km away
Redfield College
Dural · Independent combined · 2-12
530 students · ICSEA 1140 · 1.8 km away
Lorien Novalis School for Rudolf Steiner Education
Dural · Independent combined · K-12
238 students · ICSEA 1103 · 1.9 km away
Glenhaven Public School
Glenhaven · Government primary · K-6
240 students · ICSEA 1108 · 1.9 km away
Pacific Hills Christian School
Dural · Independent combined · K-12
1,475 students · ICSEA 1118 · 2.4 km away
Kenthurst Public School
Kenthurst · Government primary · K-6
187 students · ICSEA 1040 · 2.4 km away
New Hope Christian School
Dural · Independent special · U
49 students · ICSEA 1071 · 2.6 km away
Warrah Specialist School
Dural · Independent special · U
34 students · ICSEA 1065 · 2.9 km away
Similar schools
Independent combined schools in NSW with a comparable ICSEA.
Loreto Normanhurst
Normanhurst · Independent combined · 5-12
1,240 students · ICSEA 1164
The King's School
North Parramatta · Independent combined · K-12
2,150 students · ICSEA 1163
The Scots College
Bellevue Hill · Independent combined · K-12
2,076 students · ICSEA 1162
Barker College
Hornsby · Independent combined · K-12
2,856 students · ICSEA 1166
Masada College
St Ives · Independent combined · K-12
368 students · ICSEA 1162
William Clarke College
Kellyville · Independent combined · K-12
1,951 students · ICSEA 1162
Frequently asked questions
Is The Hills Grammar School a public or private school?
The Hills Grammar School is a Independent school, which makes it a non-government (private) school affiliated with Independent Schools NSW.
What year levels does The Hills Grammar School offer?
The Hills Grammar School offers K to 12. It is classified by ACARA as a combined school.
How many students attend The Hills Grammar School?
In 2025, The Hills Grammar School had 1,208 enrolled students (518 girls, 690 boys), a change of 31% over five years.
What is the ICSEA of The Hills Grammar School?
The Hills Grammar School has an ICSEA (Index of Community Socio-Educational Advantage) of 1164. 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 The Hills Grammar School rank in NSW?
The Hills Grammar School ranks 23rd of 314 combined schools in New South Wales on the Success Index (82.9/100), and 66th of 1,259 nationally.
What is the student-to-teacher ratio at The Hills Grammar School?
The Hills Grammar School has about 11.2 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at The Hills Grammar School?
In 2025, The Hills Grammar School had 121 students in Year 7 and 80 in Year 12.
Is The Hills Grammar School co-ed?
Yes. The Hills Grammar School is a co-educational school enrolling both girls and boys.
What other schools are near The Hills Grammar School?
There are 10 other schools within 15 km of The Hills Grammar 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 The Hills Grammar School?
The closest Success Tutoring centre is Success Tutoring Hornsby, about 8.0 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.