Mid-sized government secondary school (969 students, Years 7–12) in Killarney Heights, NSW, serving a demographically diverse and socioeconomically mixed community.
NAPLAN averaging +38 above national year-level averages; the result is a B+ overall.
Killarney Heights High School is also known as KHHS, Killarney Heights HS and KHHS Killarney Heights.
2 HSC Top Achievers — #84 of 240 New South Wales schools.
Killarney Heights High School draws students from the Killarney Hts HS (and 1 more zone).
Killarney Heights High School has an overall SchoolRank score of 63.8/100, rated "Good". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades B+ (Good) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1132 (92nd percentile; the national average is 1,000).
In 2025 NAPLAN testing at Killarney Heights High School, Year 7 students averaged 577 across the tested NAPLAN domains, above the national average of 540 for that year level, and Year 9 students averaged 607, above the national average of 569 for that year level. Relative to national year-level averages, the school's strongest domain is Numeracy. National averages are specific to each year level, because NAPLAN scores are scaled so older year levels score higher. A school-wide average can't be compared with a single national figure.
Killarney Heights High School is a medium-sized government secondary school with approximately 969 students. It offers education for years 7-12. As a government school, enrolment is generally available to students living within the school's designated catchment zone. Families outside the zone may apply for out-of-area placement subject to availability.
Killarney Heights High School is a government school, so there are no tuition fees. Families may be asked to contribute to voluntary school fees covering materials, excursions, and activities. The school grades A− (Excellent) for value for money, which weighs academic results against the cost of attendance.
Killarney Heights High School has a student-to-teacher ratio of 14.6:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 16% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 91%, which is good.
In the 2025 HSC, 5 students at Killarney Heights High School were all-round achievers, with results in the top band across 10 or more units. The school had 2 top achiever places across 2025 HSC courses. The Year 12 completion rate is 96%.
Killarney Heights High School is located in Killarney Heights, NSW, in a major city. Its ICSEA is 1132 (92nd percentile; the national average is 1,000). ICSEA measures the advantage of a school's community, from its parents' education and occupation, not the school's quality. A school with a lower ICSEA and strong academic results may be teaching particularly effectively.