Our research is a reflection on the practices of information awareness of students who are preparing a library master in France to be teacher-librarians. This study also aims to get a better knowleddge of who are the students training to become teacher-librarians and their needs. The data comes from a quantitative and qualitative investigation that put into place a singular framework from the cooperative engineering field to bring together research and training. The main results emphasize that students did not necessarily acquire sufficient digital professional and that the development of sustainable info-communication practices among students are likely to enhance their professionalism.