This paper explains the meaning of the following concepts: Peace, Violence and War, Global Security and Peace Education. It states that education despite being an instrument per excellence for achieving positive national and global goals, have been used by some nations to perpetuate hate instead of using it to instil a culture of peace. Peace education is therefore the only type of education required in creating a culture of peace in the minds of youths and as such should be used to achieve global security. The paper also suggested five ways global security could be achieved through peace education which are; raising global citizens, building a culture of peace, creating economic development and eradicating poverty, acquiring conflict resolution skills, and raising friends of the earth and environmental peace builders. The paper concludes by with some implications of the understanding of peace, violence and war, which include the need to ensure justice, welfare and access to education for all as necessary actions to ensure peace and global security.