Between 19th June – 24th June 2017, in Varshets, Bulgaria, was organized the third edition of Green School. At this Edition there were 20 participating groups of 5 pupils each and 1 teacher from Romania and Bulgaria. The pupils were aged between 10 and 12 years old. 

The participants were involved in educative activities about the cultural and natural heritage of cross border area, recreational and sports activities, touristic objectives visits in Montana district. The participants ( pupils and teachers ) received promotional items and got involved in a photo contest.