National audienceSince French Society enters the so-called "Economy of knowledge", migrations of young people, especially these concerning students, are of most interest. Despite the fact that it could help to understand University as a system and ways regions can evolve, the study of students' migrations was not yet done. A set of results highlights first the main role of French capital region. It also shows main changes in migrations of students following vocational training in University. At least, it reveals that architectures of students' migrations look like these of migrations of the whole French population.Depuis l'entrée de nos sociétés dans l'économoie du savoir, les migrations des populations jeunes, en particulier celles des étu...