German International School Sydney is a German international school in Terrey Hills, Sydney, New South Wales.

[1] It serves from Preschool until IBDP Senior Secondary (Sekundarstufe II).

The primary school, years 1–6, uses a German immersion programme.

[2] Certain subjects are taught to all students in German, such as Year 8 Biology, while others are taught to all students in English, such as Year 8 Chemistry and Geography.

[2] As of 2014 the school has 230 students, with half of them being of a German background.