The purpose of this study was to investigate the effects of female genital mutilation In Isiolo sub county, Kenya. The main objectives of the study were to investigate the factors contributing to the persistence of FGM, how FGM led to girl’s school dropout and how FGM leads to poor performance of secondary school girls in Isiolo sub county. The method used to collect data from the respondents was the use of questionnaires which were distributed after the ethical considerations. the data collected was compiled and used to write this report. Communities that endorse FGM prioritize marriage over education, further limiting opportunities for girls. additionally, the stigma and trauma associated with FGM can hinder academic performance and self-esteem, perpetuating cycles of inequality. From the findings, it is very clear that FGM leads to school dropouts of young girls this is because the practiced do prepare girls for marriage traditionally, so this means when a girl undergoes through the practice she will drop out to fulfill the intended purpose, FGM also leads to poor performance of young girls in class whereby ,from the data collected it is clear that many girls get traumatized with the practice and therefore they end up performing poorly in their studies. Addressing FGM is crucial not only for the health and rights of girls but also for promoting their educational attainment and empowering future generations.