The event organized by Jogjakarta Montessori School (Elementary Program) took place on Friday 11, November 2017. The event consisted of Open House and Entrepreneur Day. The opening of the Open House was enlivened by students from the Barito class, then the event continued with student presentations and talk shows which were also guided by students. At the Entrepreneur Day students from Grade 1 to Grade 6 sell crafts, foods or drinks. Visitors to this event were very crowded and the event was lively.