This is a seven-week self-study online course that introduces various aspects of multilingualism and especially multilingualism in education. The course is aimed at a wide audience, including university students, teachers, teacher educators, and families interested in multilingual education. The main language of instruction is English, but throughout the course participants will be exposed to a variety of languages either through hearing people speaking in videos or in some instances a language choice is given for external reading materials. The course does not only talk about multilingualism, but also promotes it through the exposure to various languages during the course.