Abstract: This study was set to establish the home based factors contributing to girls’ dropout rate in public primary schools in Trans-Mara East sub-county, Narok , Kenya. The study was guided by A model of Institutional departure from school. The objective of the study was to establish the home based factors that contributing the Pupils to drop out from school. The study targets785 respondents, they were , 29 head teachers, 29 parents representatives, 180 teachers,5 Educational officers,16 drop out victims and one NGO officer in Trans-Mara East sub-county.