The main purpose oj this study was to investigate the practices and problems oj thernimplementation oj Teacher Career tructure in some selected government secondaryrnschools oj Addis Ababa. A descriptive survey method was employed Jor addressing thernobjectives oj the study. The study consisted of five Sub-Cities, five secondary schools,rnsupervisors, principals, vice - principals, department heads, unit leaders and teachers. Arntotal of 150 respondents drawn from the respective Sub-Cities and schools were illcluded illrnthe study. In addition to this, three Sub-City educational officers and five kebele educationalrnteam leaders were also included in tlie study. To gather the necessary data, both open-endedrnand closed ended questionnaires as well as interviews and document analysis were used. Therndata gathered through closed ended questionnaires was analyzed using Statistical PackagesrnJor Social Science (SPSS) such as percentage, mean and t-test while the data gatheredrnthrough open-ended questionnaires and interviews were organized, summarized and used tornsupplement the information gathered through questionnaires. The results of this stud.v revealrntil at impracticality oj some selection criteria, unfairness of some evaluators, unduerninterference of political bodies, overlooking some teachers during the selection of teachersrnfor career advancement (especially those who upgrade their educational qualification) andrnlack of adequate training for both the evaluators and evaluatees to manage the careerrnscheme were serious problems revealed in the findings. The findings of the study furtherrnrevealed that evaluators have relatively better understanding of the career scheme and havernmore positive attitude towards the scheme and TROPA. In addition, it was Jound that TCSrncontributed low or has not brought any remarkable change in improving the socio-economicrnstatus of teachers. Its contribution in improving the teaching -learning process and retainingrnteachers in their profession was found to be low. Based Oil the findings oj the study thernconclusions drawn were: TCS brought low contribution to improve the teachers ' socioeconomicrnstatus, to retain teachers in their proJession and to improve the teaching learningrnprocess This could brought a negative impact on the improvement of quality oj educationrn.Finally, it is recommended that providing training periodically for both the evaluators andrnevaluatees, undertaking subsequent modifications on the TeS promotion criteria; moreoverrnrewarding of teachers and provision of CPD programs would contribute to the effectivenessrnof the TeS scheme .