The reform of establishments for young offenders undertaken in 1945 prohibits any use of physical violence. Official texts and articles from the mainstream and professional media all highlight this rejection of the heavy-handed approach and extol the new pedagogy. If we put aside these printed sources and explore archives such as inspection reports, activity reports, records of both employees and the young people, we can see the discrepancy between actual practices and the new standards promoted by the authorities. The author (...) carried out the study at the Chanteloup correctional boarding school, the young offenders’ centre most likely to reject “educational violence”. However, even there it was still in evidence and so we evaluate the force of habit and the slow pace of certain changes in the field of education. (shrink)