St Aloysius' College is a boys school rooted in Jesuit tradition and Ignatian values.
NAPLAN well above the national average at every tested year level; the result is an A overall.
St Aloysius' College is a boys school rooted in Jesuit tradition and Ignatian values. The school combines rigorous academics with a strong co-curricular program that sits at the heart of student formation. Life here is structured and traditional, with pastoral care woven throughout. It suits families who value a demanding academic environment alongside character development and who want their son in a faith-based community with depth.
St Aloysius' College is also known as SAC Kirribilli.
7 HSC Top Achievers — #21 of 240 New South Wales schools.
St Aloysius' College has an overall SchoolRank score of 82.8/100, rated "Excellent". This score is calculated from academic results, student growth, wellbeing, programs, and value for money. Academically, the school grades A+ (Excellent) against other Australian schools. The school's ICSEA (Index of Community Socio-Educational Advantage) is 1223 (99th percentile; the national average is 1,000).
In 2025 NAPLAN testing at St Aloysius' College, Year 3 students averaged 511 across the tested NAPLAN domains, well above the national average of 407 for that year level, and Year 5 students averaged 593, well above the national average of 490 for that year level, and Year 7 students averaged 642, well above the national average of 540 for that year level, and Year 9 students averaged 655, 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.
St Aloysius' College is a large Independent combined school with approximately 1,347 students. It offers education for years 3-12. As an Independent school, enrolment typically involves an application process. Contact the school directly for enrolment criteria, waiting lists, and open day information.
St Aloysius' College has approximate annual tuition fees of $24,702. Actual fees may vary by year level, and additional costs for uniforms, camps, and extracurricular activities typically apply. The school grades A− (Excellent) for value for money, which weighs academic results against the cost of attendance.
St Aloysius' College has a student-to-teacher ratio of 11.5:1. This is below the national average of approximately 14:1, meaning students generally receive more individual attention. Support staff make up 35% of the workforce, providing additional learning assistance and pastoral care. The student attendance rate is 95%, which is excellent.
In the 2025 HSC, 29 students at St Aloysius' College were all-round achievers, with results in the top band across 10 or more units. The school had 7 top achiever places across 2025 HSC courses.
St Aloysius' College is located in Kirribilli, NSW, in a major city. Its ICSEA is 1223 (99th 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.