This document provides an overview of Content and Language Integrated Learning (CLIL), an educational approach where an additional language is used as the medium for teaching content and language. It discusses the need for greater multilingualism in Europe as the motivation for CLIL. Key aspects of CLIL covered include defining CLIL, implementing CLIL through methodologies like scaffolding and task-based learning, assessing CLIL outcomes, research on its effectiveness, and characteristics of high-quality CLIL. Examples of CLIL materials from Italian schools are also presented.