Killarney Heights High School
Updated Oct 2026 · ACARA 2025Killarney Heights, New South Wales 2087 · Northern Beaches LGA
About Killarney Heights High School
Killarney Heights High School is a public high school located in Killarney Heights, New South Wales (2087), within the Northern Beaches local government area. It caters for students from 7 to 12 and in 2025 enrolled 969 students (399 girls and 570 boys).
Killarney Heights High School has an ICSEA value of 1132, indicating very high socio-educational advantage. That places it in the 92nd percentile of Australian schools. 52% of students come from the top socio-educational quarter and 4% from the bottom quarter.
The school employs 64 teachers (66.3 full-time equivalent) and 13 non-teaching staff, giving a student-to-teacher ratio of about 14.6 to 1. Enrolments have grown by 3% over the past five years.
On the Success Index, Killarney Heights High School scores 77.9 out of 100, placing it in the top 10% of secondary schools nationally and 32nd of 539 secondary schools in NSW (4th of 14 in the Northern Beaches area).
Success Index breakdown
Each component is a percentile against schools of the same type across Australia.
- Socio-educational advantage (ICSEA) (50%)ICSEA 1132
- Students in the top advantage quarter (15%)52% of students
- Teacher resourcing (students per teacher) (15%)14.6 students per teacher
- Enrolment growth vs local area (5 years) (10%)+3% enrolments since 2020 (area median -1%)
- ICSEA trend (5 years) (10%)+15 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 Killarney Heights High School's 969 students are spread across year levels in 2025.
Enrolment trend
How enrolments at Killarney Heights High School have changed over the past decade.
Free academic assessment
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Schools near Killarney Heights High School
Closest schools by straight-line distance, with their Success Index.
Killarney Heights Public School
Killarney Heights · Government primary · K-6
661 students · ICSEA 1150 · 346 m away
Aspect Vern Barnett School
Forestville · Independent special · U
97 students · ICSEA 1107 · 1.0 km away
Forestville Public School
Forestville · Government primary · K-6
462 students · ICSEA 1141 · 1.2 km away
Our Lady of Good Counsel Catholic Primary School
Forestville · Catholic primary · K-6
282 students · ICSEA 1145 · 1.4 km away
Forestville Montessori School
Forestville · Independent primary · K-6
49 students · ICSEA 1171 · 1.5 km away
Castle Cove Public School
Castle Cove · Government primary · K-6
273 students · ICSEA 1167 · 1.8 km away
Glenaeon Rudolf Steiner School
Middle Cove · Independent combined · K-12
405 students · ICSEA 1148 · 2.3 km away
Frenchs Forest Public School
Frenchs Forest · Government primary · K-6
218 students · ICSEA 1123 · 2.4 km away
Roseville Public School
Roseville · Government primary · K-6
520 students · ICSEA 1172 · 2.7 km away
The Forest High School
Frenchs Forest · Government high school · 7-12
769 students · ICSEA 1062 · 2.8 km away
Similar schools
Government secondary schools in NSW with a comparable ICSEA.
Parramatta High School
Parramatta · Government high school · 7-12
1,128 students · ICSEA 1132
Cammeraygal High School
Crows Nest · Government high school · 7-12
905 students · ICSEA 1135
Sydney Technical High School
Bexley · Government high school · 7-12
907 students · ICSEA 1136
Newtown High School of Performing Arts
Newtown · Government high school · 7-12
1,145 students · ICSEA 1127
Chatswood High School
Chatswood · Government high school · 7-12
2,147 students · ICSEA 1137
Mosman High School
Mosman · Government high school · 7-12
1,087 students · ICSEA 1126
Frequently asked questions
Is Killarney Heights High School a public or private school?
Killarney Heights High School is a public (government) school run by the New South Wales education department.
What year levels does Killarney Heights High School offer?
Killarney Heights High School offers 7 to 12. It is classified by ACARA as a secondary school.
How many students attend Killarney Heights High School?
In 2025, Killarney Heights High School had 969 enrolled students (399 girls, 570 boys), a change of 3% over five years.
What is the ICSEA of Killarney Heights High School?
Killarney Heights High School has an ICSEA (Index of Community Socio-Educational Advantage) of 1132. The national average is 1000, so this indicates very high socio-educational advantage. ICSEA reflects the school community, not teaching quality.
How does Killarney Heights High School rank in NSW?
Killarney Heights High School ranks 32nd of 539 secondary schools in New South Wales on the Success Index (77.9/100), and 97th of 1,472 nationally.
What is the student-to-teacher ratio at Killarney Heights High School?
Killarney Heights High School has about 14.6 students per full-time-equivalent teacher, based on 2025 ACARA staffing data.
How big is the Year 7 cohort at Killarney Heights High School?
In 2025, Killarney Heights High School had 162 students in Year 7 and 169 in Year 12.
Is Killarney Heights High School co-ed?
Yes. Killarney Heights High School is a co-educational school enrolling both girls and boys.
What other schools are near Killarney Heights High School?
There are 10 other schools within 15 km of Killarney Heights 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 Killarney Heights High School?
The closest Success Tutoring centre is Success Tutoring Chatswood, about 4.2 km from the school. Success Tutoring offers a free academic assessment to identify your child's strengths and learning gaps before any sessions begin.