Casula High School is a government secondary school with a distinct focus on high potential and gifted education through its Inspire stream, alongside programs for international students.
NAPLAN 39 points below national year-level averages; the result is a C+ overall.
Casula High School is a government secondary school with a distinct focus on high potential and gifted education through its Inspire stream, alongside programs for international students. The school offers robust learning support through an Additional Learning Support unit and dedicated wellbeing teams, with particular attention to culturally responsive practice for its multicultural cohort. It is known for a strong pastoral culture and tight-knit community, making it a good fit for families seeking a school that balances academic challenge with genuine pastoral care and inclusive support across diverse learner needs.
Casula High School is also known as Casula HS and CHS Casula.
Casula High School draws students from the Casula HS (and 1 more zone).
Casula High School has an overall SchoolRank score of 32.6/100, rated "Below average". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades B− (Slightly below average) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 957 (28th percentile; the national average is 1,000).
In 2025 NAPLAN testing at Casula High School, Year 7 students averaged 496 across the tested NAPLAN domains, well below the national average of 540 for that year level, and Year 9 students averaged 534, below the national average of 569 for that year level. 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.
Casula High School is a large government secondary school with approximately 1,281 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.
Casula 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 B− (Slightly below average) for value for money, which weighs academic results against the cost of attendance.
Casula High School has a student-to-teacher ratio of 13.9:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 17% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 82%, which is below average.
The Year 12 completion rate is 90%.
Casula High School is located in Casula, NSW, in a major city. Its ICSEA is 957 (28th 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.