Universal primary education has been pursued as ameans of providing basic education for all. It's achievement has been constrained by a high drop out rate, repetition, and absenteeism which in general term is called educational wastage.The purpose of this study was to assess factors that caused primary educational wastage and their implications for Curriculum Development, in Central Division, Marsabit District, Kenya. Data was collected using document analysis guide, Questionnaires, interview schedule and focus group discussion with Head teachers,teachers, pupils(repeaters) and parents of the drop out. The study established that poverty, poor performance, household chores among girls,long distance to school, cultural and nomadism,insecurity, inadequate learning and teaching facilities, among others contributed to the educational wastage. The study recommended that all the stakeholders and interested parties to come together to address the above problems amicable.The findings of this study will therefore be used as aspring board in addressing educational wastage by all stakeholders, educational planners, donor agencies, and researchers.