Frensham School is an independent non-denominational comprehensive single-sex preschool, primary, and secondary day and boarding school for girls, located at Mittagong, in the Southern Highlands region of New South Wales, Australia.

Mittagong is a town located in the Southern Highlands of New South Wales, Australia, in Wingecarribee Shire. The town acts as the gateway to the Southern Highlands when coming from Sydney. Mittagong is situated at an elevation of 635 metres (2,083 ft). The town is close to Bowral, Berrima, Moss Vale and the Northern Villages such as Yerrinbool and Colo Vale. Moreover, Mittagong is home to many wineries of the Southern Highlands which has been a recent growing wine and cellar door region.