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.