Collaboration on children at risk is essential, but our knowledge about interprofessional collaboration between social workers and educators is limited. The aim of this study is twofold: (1) to describe French and Swedish teachers’ social representation of social workers; and (2) to compare these social representations. The French sample group is composed of 77 secondary school teachers (of students from 11 to 18 years old), and the Swedish sample group is composed of 94. The method used was a ‘free association task’, commonly used to access the semantic content of social representation. Two different social representations of social workers were revealed, one for the French and one for the Swedish teachers. The French representation is characterised by highly positive aspects such as support, listening and competence. Swedish teachers’ social representation of social workers is completely different: negative associations were common (44%), and among these, professional secrecy and law and regulations dominated. One plausible explanation is the difference of French and Swedish teachers’ roles regarding collaboration with social workers.