CLIL (Content and Language Integrated Learning) (Marsh, 1994) is an innovative methodology focusing on the learning of language whilst simultaneously teaching content from a subject area such as humanistic or scientific area (Coyle et al., 2010). Therefore CLIL means using a foreign or second language as a medium of instruction and learning for primary, secondary and/or vocational-level subjects such as Math, Science, Art or Business.

CLIL is considered by the European Commission as a driver to innovation and as an effective methodology, which can contribute to improve the quality of education all over the member states. The report from Eurydice (2017) Key data on teaching languages at school in Europe highlights CLIL provision all over Europe, pointing out that it has expanded considerably in all member states, but only a few of them have adopted it as a national education policy, introducing it at a certain level of education and Italy is among them