In the Erasmus+ project LERI, a total of 14 language-friendly teaching units for secondary level 1 were created from November 2021 to June 2023. The respective materials are available in three languages (German, English, Dutch). Subtitles can be selected for the explanatory videos in these languages. A detailed project description, information about the teachers and the schools involved in the project in Amsterdam, Saba, Toronto and Vienna as well as all materials for the teaching units can be found here: LERI-Project: Language Friendly Lesson Plans