The purpose of this thesis was The Practice of Educational Management Information System (EMIS) in Addis Ababa Education Sector. Descriptive survey design was employed to conduct the study. The major tools used for data collection were questionnaires, interview guiding questions and observation checklists. Data analysis was conducted by using frequency count, percentages, mean, grand mean and ANOVA test. The study was carried out on AACEB, and 85 government primary and secondary schools and 38 WEOs that were selected by purposive sampling technique, and 3 Sub-Cities that were selected by simple random sampling technique. The information used in the data analysis was obtained from 85 government primary and secondary school principals, 85 record keeping officers, 38 Wereda education statisticians, 38 Wereda education heads, nine Sub-City education and training offices heads and EMIS staff and seven AACEB education bureau heads and EMIS staff in the target area. Overall, out of 263 intended respondents 243 (92.39%) of them were participated in the study. The results of the study indicated that there was no well established EMIS structure, organization and resource in place at all levels of education system, education data/ information were not organized systematically, there was high turnover in the positions of EMIS because of low salary payment, there was no also accountability for inaccuracy, unreliable, irrelevant, incomplete, and not valid data transfer. The Challenge of EMIS identified by the respondents was insufficiency of ICT infrastructure, lack of IT competency, shortage of qualified manpower, and poor coordination system. Thus, it is concluded that EMIS was entangled with a set of problems that hinder the proper functioning of its management. Therefore, to overcome these shortcomings necessary recommendations are establish an autonomous EMIS structure up to Schools level, organize and put in place the required amount of resources and design education information policy, motivate EMIS personnel based on their performance, improve data integration School net program and decentralized EMIS soft ware up to schools level, Established data auditing system and create awareness through relevant training programs.