Marital separations and new families: educational questions The significant increase in marital separations and the new ties between parents and children that form and evolve during the different steps of the marital separation (as for instance in monoparental families and stepfamilies) - challenge current educational ideas. The author first presents statistical and socio-anthropological data, then proposes a pedagogical study, using an existential-phenomenological point of view, to provide a meaningful horizon to today’s questions in education. The author analyses, in particular, the complex link between continuity and change, during the transition from one family condition to the next, and the possibility of building an educational project that, beyond the choice of separating, opens the prospect of maintaining co-parenting. Particular attention is given to caring and emotional life. Keywords: projects, opportunities, existence, temporality, care, emotional life, educational responsibilities.