ABSTRACT The purpose of the study was to find out the impacts of using of instructional technologies on students achievements in selected schools in Nkozi subcounty Mpigi district, the main objective of the study were; to find out the different forms and categories of instructional technologies used in the teaching and learning processes also, to examine the impacts and benefits of using instructional technologies in the teaching and learning process and lastly to find out the challenges both teachers and students face in coping up with the use of various instructional technology in the teaching and learning process. Chapter one talks about the Quality of education in a global concern virtually all societies, how it can be achieved, the efficiency and quality teaching needs to be employed. Chapter two of the study focused on the literature which was used for instructional technologies and student’s achievement in the teaching and learning process. It highlights on a brief history on instructional technologies, the meaning of instructional technology, student’s achievements, categories of instructional technologies, the use of instructional technologies in teaching and learning process, the availability and use of instructional technologies, challenges facing teachers and students in the use of instructional technologies. Chapter three highlights the Target population of 2 secondary schools and used simple random sampling. Chapter four was to analyze and establish the challenges faced by teachers and students in the use of instructional technologies in teaching and learning process in selected secondary schools in Mpigi district. Lastly chapter five was to make a summary of the findings based on the objectives of the study and make suggestions and recommendations for possible action and further research. This chapter therefore, consists of three sections namely; the summary of the findings, conclusion of the study and recommendations.