Purpose of This study was to investigate the factors contributing to the low rate of transition from primary school to secondary school in Juja division of Thika District. The objectives of the study was to establish the number of pupils registered for KCPE Examination in Juja division primary schools, the investors factors, socio-economic, socio-cultural, school based factors contributing to only small percentage of the pupils joining secondary school and to establish measures that could be taken to improve access of standard eight leavers to post primary education public secondary schools in Juja Division of Thika District. A descriptive survey design was used to collect data from, 5 head teachers, 20 teachers 300 pupils, 40 parents, and 12 investors. The study used questionnaires for investors, head teacher and teachers; interviews were administered to parents.