The study was designed to investigate the causes of dropout at primary level in Pakistan. Descriptive research method was adopted by using both quantitative and qualitative techniques for data collection. The study sought to get the opinion of education managers, teachers, parents and community members on various factors causing high dropout at primary level. Data was collected from 208 education managers and 291 primary school teachers. Twelve districts and 96 schools across the country were included in the sample. Moreover, focus group discussion was held with community members and parents in each sample school and district to solicit their opinion about causes of dropout. All the possible factors causing dropout were grouped into socio-economic factors, physical factors, geographical factors, teacher related factors, family related factors, teaching learning material related factors, administrative related factors, child related factors, and facilities in schools related factors.