In this study teacher retention is considered to enlingten different stakeholders on strategies that can be adopted to retain teachers in schools. Teachers play a crucial role in education, providing instruction and guidance to ensure student-learning and holistic development.The purpose of the study was to establish the influence of school environment which includes (work conditions, benefits, management style, Professional progression) on teacher retention in Early Childhood Development Centres Nyatike Zone, in Migori County. The study was based on Bronfenbrenner´s theory of ecological development which has been one of the most applied and used theories in assessment ofearly childhood education. The theory proposes that a child's development is affected by their social relationships and the world around them which includes teachers. Bronfenbrenner believed that a person's development was affected by everything in their surrounding environment. The study adopted descriptive research design and was carried out in both public and private Preschools. The target population was preschool teachers teaching in Nyatike Sub-County which was used to evaluate and report the current state of ECD teacher retention. A sample of 68 respondents was selected from the study population of 206 Preschool teachers and Preschool head teachers, using cluster sampling where each ECD center was taken as a cluster. Questionnaires and interview schedules were used for data collection. A pilot study was done to establish the reliability and validity of the research instruments. Statistical Package for Social Scientistists (SPSS) was used to generate descriptive statistics and the findings was presented using tables. The study found out that teachers who were assured of their job security can also respond by giving their all in terms of what it takes to ensure conducive educational climate which is necessary for their retention in early childhood development centres.