Oakhill College is an independent Catholic secondary school in Castle Hill with a strong pastoral culture and tight-knit community feel.
NAPLAN averaging 47 points above national year-level averages; the result is a B+ overall.
Oakhill College is an independent Catholic secondary school in Castle Hill with a strong pastoral culture and tight-knit community feel. The school offers a traditional, structured approach underpinned by Lasallian values. A standout strength is its hands-on agricultural studies program, centred on a state-of-the-art ifarm. Students also benefit from Duke of Edinburgh training, robust performing arts and theatresports, and international immersion opportunities. Learning support is comprehensive, with counselling and pastoral care woven throughout. Oakhill suits families seeking a values-based education with genuine community connection and students keen on agriculture or breadth beyond typical subjects.
Oakhill College is also known as Oakhill Castle Hill.
3 HSC Top Achievers — #57 of 240 New South Wales schools.
Oakhill College has an overall SchoolRank score of 61.7/100, 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 1124 (90th percentile; the national average is 1,000).
In 2025 NAPLAN testing at Oakhill College, Year 7 students averaged 592 across the tested NAPLAN domains, well above the national average of 540 for that year level, and Year 9 students averaged 610, well 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.
Oakhill College is a large Independent secondary school with approximately 2,242 students. It offers education for years 7-12. As an Independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
Oakhill College has approximate annual tuition fees of $13,323. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school grades B− (Slightly below average) for value for money, which weighs academic results against the cost of attendance.
Oakhill College has a student-to-teacher ratio of 14.9:1. This is around the national average of approximately 14:1, meaning class sizes are typical for Australian schools. Support staff make up 23% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 90%, which is good.
The top ATAR was 99.90. In the 2025 HSC, 8 students at Oakhill College were all-round achievers, with results in the top band across 10 or more units. The school had 3 top achiever places across 2025 HSC courses.
Oakhill College is located in Castle Hill, NSW, in a major city. Its ICSEA is 1124 (90th 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.