Mosman High School is a large government secondary school located in Mosman, Sydney, catering for students from 7-12.

Recent secondary results indicate above-average academic performance, with a latest secondary rating of 7.2.

Academic performance has been relatively stable in recent years, with no major movement in the overall rating trend.

The school serves a relatively advantaged student community, with an ICSEA score of 1126 placing it around the top 10% nationally by ICSEA.

Compared with similar state-sector ICSEA peers, recent results appear somewhat below expected levels.

With around 1,087 students, the school is larger than many schools in its sector.