The question of violence is a common phenomenon globally but it is acute or prominent in the developing world which is characterized by numerous social, economic and political problems. The magnitude of violence is always disastrous to the community when the effects trickle down to individuals. People get affected in many ways. The study sought to examine the nature and causes of 2007 post election violence in Kenya on teachers working life in public secondary schools. The researcher utilized Karl Marx theory of conflict which emphasizes the struggle between various segments of society in the development of the theoretical framework. She adopted research survey based on the need to capture more information. The study revealed that there was a significant relationship between post election violence and teachers' performance as well as between peace building strategies used in schools and teachers work life using parameters such as loss of morale, absenteeism, training motivation and avoidance of tribal politics. The study recommends that practitioners should initiate peace building strategies and incorporate them in schools with so as to enhance healthy human relationships