This report presents the findings from the 2013 administration of the Ghana National Education Assessment (NEA), carried out by the Assessment Services Unit (ASU) within the Ghana Education Service (GES). In addition to the performance results, this volume offers a substantial amount of contextual background and technical detail regarding the methodology for the 2013 NEA test development, sampling, data collection, and data analysis. Available separately is a brief document titled Ghana 2013 National Education Assessment: Summary of Results, which focuses more narrowly on the findings. The summary version is intended for use in discussions of policies and recommendations around instruction and educational assessments in Ghana.