A Dissertation Submitted in Partial Fulfilment of the Requirement for Award Degree of Master of Science in Development Policy (MSc. DP) of Mzumbe UniversityThis study examined the extent to which teaching of computer studies has been effectively implemented in secondary schools in Arusha Municipality. This study used a survey research design and a total of 140 respondents were involved. Data were collected through questionnaires, interviews, focused group discussion, observation and documentary review. The data were analyzed by using and Microsoft excel program and presented in tables, frequencies and pie charts and Content analysis was carried out for the qualitative data. The findings show that most of the schools do not effectively implement computer studies subject, this is because of the challenges they face every day like lack of competent qualified teachers, well equipped computer lab and adequate computers is another challenge, which leads to the challenge of improper method of teaching being used by the teachers. Based on the findings it is recommended that there is a need for raising awareness for this computer studies subject so that students and teachers can take this subject serious. Teacher training and in-service training should be prioritised especially on identifying innovative alternative approaches and smart sustainable solutions to deal with challenges such as electrification, lack of computer and internet. Lastly but not least is the need for monitoring and evaluation to support the development and delivery of computer studies subject in secondary schools. Implementation of the policy ICT Policy for basic education of 2007 by providing a framework for computer studies related programme.