This paper investigated on the Evaluation of the Implementation of Fee-Free Education Policy on enhancing Quality Education in Public Secondary Schools: A case of Songwe District in Songwe Region, Tanzania. Specifically, this paper discusses factors that hinder effective implementation of Fee-Free Education Policy in Songwe District. To acquire relevant information, the study employed a Human Capital Theory under a mixed research approach, including both quantitative and qualitative research approach. A convergent parallel research design enabled triangulation during data interpretation and discussion by directly comparing the qualitative and quantitative findings. Simple random sampling was used to get teachers while purposive sampling was used to get heads of school 4, District secondary education officer 1. So far, to obtain enough information in this study a researcher encouraged large numbers of respondents follow up in 74 sample size. From the field of data analysis the findings showed that, implementing Fee-Free Education Policy basing on providing quality education in public secondary schools is complex and challenging task that is faced by numberless challenges that need to be addressed. Including disbursement of insufficient fund, unsupportive teaching and learning environment, shortage of enough qualified teachers, overcrowded classrooms and inadequate teaching and learning materials. Findings of this study concluded that these challenges have to be addressed in order to enable the end product of this important investment of implementing FFEP for the future of Tanzania to ensure that all Tanzanians have access to quality education.