The MOOC revolution is changing the world of school. The availability of open and free courses has multiplied professional development opportunities for teachers and learning opportunities for their students, offering the possibility of international collaboration and exchange as well. And it’s extremely cost-efficient. Federica MOOCs are available for all K12 teachers and students, offering an effective interface that combines text, video and a rich assortment of links to recommended online resources. Many courses are ready to be rolled out in class. Here are a few suggestions, listed according to type of High School: Classico & Scientifico, Tecnico, Professionale, Arte & Musica.