I found this article to be a helpful overview of the Montessori Peace Education. Peace Education is far more than just discussing peace and requiring peaceful actions in the classroom, it is living an intentional, peace-filled life before our children. This approach is an inspiring challenge to all those who would “wish” for world peace. (author: Andrew Renwick)
http://montessoritraining.blogspot.com/2007/06/peace-education-in-montessori-classroom.html#.VQa7jkZIhJ1