Kellyville High School
Updated Oct 2026 · ACARA 2025Kellyville, New South Wales 2155 · The Hills LGA
About Kellyville High School
Kellyville High School is a public high school located in Kellyville, New South Wales (2155), within the The Hills local government area. It caters for students from 7 to 12 and in 2025 enrolled 869 students (412 girls and 457 boys).
Kellyville High School has an ICSEA value of 1086, indicating above-average socio-educational advantage. That places it in the 80th percentile of Australian schools. 34% of students come from the top socio-educational quarter and 10% from the bottom quarter.
The school employs 61 teachers (66.8 full-time equivalent) and 19 non-teaching staff, giving a student-to-teacher ratio of about 13.0 to 1. Enrolments have fallen by 11% over the past five years.
On the Success Index, Kellyville High School scores 71.4 out of 100, placing it in the top 25% of secondary schools nationally and 94th of 539 secondary schools in NSW (6th 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 1086
- Students in the top advantage quarter (15%)34% of students
- Teacher resourcing (students per teacher) (15%)13.0 students per teacher
- Enrolment growth vs local area (5 years) (10%)-11% enrolments since 2020 (area median +0%)
- ICSEA trend (5 years) (10%)+25 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 Kellyville High School's 869 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Kellyville High School have changed over the past decade.
Free academic assessment
Is your child on track at Kellyville High School?
Rankings tell you about a school community. A free Success Tutoring assessment tells you about your child: exactly where they are in English and Maths, where the gaps are, and a plan to close them. Small-group, Australian-curriculum tutoring with no lock-in contracts.
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Schools near Kellyville High School
Closest schools by straight-line distance, with their Success Index.
Sherwood Ridge Public School
Kellyville · Government primary · K-6
584 students · ICSEA 1114 · 538 m away
William Clarke College
Kellyville · Independent combined · K-12
1,951 students · ICSEA 1162 · 708 m away
St Angela's Primary School
Castle Hill · Catholic primary · K-6
618 students · ICSEA 1126 · 1.1 km away
Kellyville Public School
Kellyville · Government primary · K-6
855 students · ICSEA 1136 · 1.2 km away
Australian International Academy, Kellyville Campus
North Kellyville · Independent combined · K-12
733 students · ICSEA 1122 · 1.3 km away
Our Lady of The Rosary Primary School
Kellyville · Catholic primary · K-6
627 students · ICSEA 1116 · 1.4 km away
Tallowood School
Kellyville · Government special · U
98 students · ICSEA 1034 · 1.6 km away
Hills Adventist College
North Kellyville · Independent combined · K-12
823 students · ICSEA 1150 · 1.7 km away
Samuel Gilbert Public School
Castle Hill · Government primary · K-6
643 students · ICSEA 1128 · 2.1 km away
North Kellyville Public School
North Kellyville · Government primary · K-6
1,068 students · ICSEA 1112 · 2.3 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Burwood Girls High School
Croydon · Government high school · 7-12
1,084 students · ICSEA 1086
Ku-ring-gai High School
North Turramurra · Government high school · 7-12
536 students · ICSEA 1088
Davidson High School
Frenchs Forest · Government high school · 7-12
790 students · ICSEA 1089
Asquith High School
Asquith · Government high school · 7-12
669 students · ICSEA 1082
Muirfield High School
North Rocks · Government high school · 7-12
836 students · ICSEA 1082
Glenwood High School
Glenwood · Government high school · 7-12
1,507 students · ICSEA 1090
Frequently asked questions
Is Kellyville High School a public or private school?
Kellyville High School is a public (government) school run by the New South Wales education department.
What year levels does Kellyville High School offer?
Kellyville High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Kellyville High School?
In 2025, Kellyville High School had 869 enrolled students (412 girls, 457 boys), a change of -11% over five years.
What is the ICSEA of Kellyville High School?
Kellyville High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1086. The national average is 1000, so this indicates above-average socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Kellyville High School rank in NSW?
Kellyville High School ranks 94th of 539 secondary schools in New South Wales on the Success Index (71.4/100), and 256th of 1,472 nationally.
What is the student-to-teacher ratio at Kellyville High School?
Kellyville High School has about 13.0 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Kellyville High School?
In 2025, Kellyville High School had 159 students in Year 7 and 140 in Year 12.
Is Kellyville High School co-ed?
Yes. Kellyville High School is a co-educational school enrolling both girls and boys.
What other schools are near Kellyville High School?
There are 10 other schools within 15 km of Kellyville 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 Kellyville High School?
The closest Success Tutoring centre is Success Tutoring Baulkham Hills, about 5.3 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.