Hornsby High School is a government boys school with a strong academic culture and dedicated support for high-potential learners through its Inspire HPGE program.
NAPLAN in line with national year-level averages; the result is a B overall.
Hornsby High School is a government boys school with a strong academic culture and dedicated support for high-potential learners through its Inspire HPGE program. The school balances intensity with care through comprehensive pastoral systems and registered school counsellors. Music ensembles and sport are well-established strengths, attracting engaged families. An additional learning support unit ensures students across the ability range are catered for. Hornsby suits boys who thrive in a rigorous environment and families valuing both achievement and wellbeing.
Hornsby High School is also known as Hornsby HS and HHS Asquith.
Hornsby High School draws students from the Hornsby HS (and 1 more zone).
Hornsby High School has an overall SchoolRank score of 51.2/100, rated "Average". This score is calculated from academic results, student growth, wellbeing, extracurricular programs, and value for money. Academically, the school scores 52/100, indicating moderate performance relative to other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1045, above the national average of 1,000.
In 2025 NAPLAN testing at Hornsby High School, Year 7 students averaged 549 across the tested NAPLAN domains, in line with the national average of 540 for that year level, and Year 9 students averaged 544, below 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.
Hornsby High School is a medium-sized government secondary school with approximately 542 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.
Hornsby 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 has a value score of 55/100 on SchoolRank, which compares educational outcomes relative to cost, government schools typically score well on this measure.
Hornsby High School has a student-to-teacher ratio of 11.2:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 16% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 89%, which is moderate.
Hornsby High School is located in Asquith, NSW, classified as a major cities school. With an ICSEA of 1045 (66th percentile), the school community's socio-educational advantage is around the national average. ICSEA measures the educational advantage of a school's community, not the school's quality, a lower ICSEA school with strong academic scores may indicate particularly effective teaching.