Each summer there are summer schools organised around the world for high schools students. One of them is organised by Bertrand Remy, Rachel Rouchin et al. in Chambon de Lignon. “Maths et etoiles” blog at matheslesetoiles.blogpost.com
During the summer school “Maths et etoiles” there were many scientific activities, such as: astronomic observations in Mars observatory, mathematical tournament, courses on theory of astronomy, random walks, introductory courses to optimal geometry, limit theory and introduction to topology.