Original sentence: Aix also has several training colleges, lycées, and a college of art and design.Aix has long been a university town and today is an important educational centre, with many teaching and research institutes:
Edited sentence: Aix also has training-colleges, lycées, and a school of art and technics.Aix is an important educational centre, hosting various faculties from:.There are several cités U in the city, which provide cheap accommodation for students, but sometimes lack even basic facilities