Founded in 1971, this school is organised every year by the Laboratoire de Mathématiques (UMR 6620). It is supported by Clermont Auvergne University and the C.N.R.S.. It is intended for PhD students, teachers and researchers who are interested in probability theory, statistics, and in applications of these techniques. Lectures 2018 Hugo DUMINIL-COPIN: Graphical representations of the Ising model. Asaf NACHMIAS: Planar maps, random walks and the circle packing theorem. BalBalint TOTH:Scaling limits for random walks and diffusion with long memory