The medium of instruction at Berlin International - University of Applied Sciences is English. Berlin International - University of Applied Sciences, students need to be sure English language level requirements. If your English language skills are at a B2 level, you can register for the English Preparatory School. This is a year-long program that prepares students to study English in all 4 language skills: reading, writing, listening, speaking as well as vocabulary and grammar. The program is taught by a native speaker, allowing students to fully immerse themselves in the English language and improve their language skills.