EXEREVNISEIS, founded 2016, is a non-profit organization aiming to the implementation of alternative educational projects for children which complement the school curriculum. EXEREVNISEIS is an organization related to Hill School, a mid-sized school in the center of Athens known not only for its long history but also for implementing innovative educational programs. EXEREVNISEIS undertake projects of informal outdoor education designed and implemented by the school’s educators which are open to all children despite whether they are Hill School’s students or not.