This study investigates on the teaching and contextual factors that contribute to teacher stress in selected public secondary schools in Thika Municipality.It was observed that, more research needed to be done on how teaching and contextual factors contributed to stress such that stringent measures would be taken to reduce its adverse effects. The findings of this study ought to help teachers to recognize the existence of stress, its sources, symptoms and effects such that they would develop effective coping strategies to manage stress.A self -designed questionnaire for teachers was used for...