Content and Language Integrated Learning (CLIL) refers to the instruction of subject content through the medium of a foreign language. This poses a challenge to both students and teachers alike. Learning and teaching in bilingual primary schools have to take place in such a way that levels are achieved which are similar to the levels achieved in monolingual schools regarding both subject (content) and foreign language knowledge and competence. The foreign language is the medium in and through which subject contents are taught and learned. Thus, some crucial conditions have to be met in order to achieve both language and subject related competences. In this article, an Australian primary school in Victoria serves as an example to show how CLIL can be successfully integrated in a governmental primary school curriculum. The focus lies on institutional, personal and content-based prerequisites as well as on hands-on activities guiding this concept.