Mosman High School is an academically intensive government secondary serving high-potential students through its Inspire program.
NAPLAN averaging 35 points above national year-level averages; the result is a B+ overall.
Mosman High School is an academically intensive government secondary serving high-potential students through its Inspire program. The school offers distinct pathways in drama, visual arts, and music alongside strong representative teams in sport. With nine music ensembles, a robust debating program, and a traditional structure, Mosman suits families seeking rigorous academics paired with serious creative and performance opportunities. Wellbeing support is available alongside the challenging curriculum.
Mosman High School is also known as Mosman HS and MHS Mosman.
Mosman High School draws students from the Mosman HS (and 1 more zone).
Mosman High School has an overall SchoolRank score of 61.8/100, 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 1126 (91st percentile; the national average is 1,000).
In 2025 NAPLAN testing at Mosman High School, Year 7 students averaged 571 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 Grammar. 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.
Mosman High School is a large government secondary school with approximately 1,087 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.
Mosman 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.
Mosman High School has a student-to-teacher ratio of 14.4:1. 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, 1 student at Mosman High School was an all-round achiever, with results in the top band across 10 or more units. The Year 12 completion rate is 92%.
Mosman High School is located in Mosman, NSW, in a major city. Its ICSEA is 1126 (91st 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.