Prague Student Summit (PSS) is an educational project for high school and university students, which has more than 20 years of tradition in the Czech Republic. Through simulation of negotiations of international organizations, the participants have the opportunity to widen their knowledge in fields like international affairs, human rights, economy, cultural heritage and environment. At the same time, they can develop their rhetorical, presentation and argumentation skills. The Prague Student Summit gives the participants a unique opportunity to get a glimpse of the world of diplomacy and international relations. It is a project that endorses the idea of informal education, puts emphasis on the development of individual and this way complements the education in Czech schools.