This document discusses the challenges exchange students face due to a lack of host language skills and proposes methods for improving language preparation before and after arrival. It notes that students often feel lost, overwhelmed, and isolated at the beginning of their exchange due to limited language abilities. Survey results show Brazilian exchange students had more negative school and exchange experiences than others due to language barriers. The document then outlines ways for students to learn a language through courses, tools, and dedicating sufficient time. It proposes a new model of language preparation involving motivation, coaching and pushing students. Finally, evaluation results of inbound students' language progress after arrival using Rosetta Stone tests are presented.