Stella Akiteng2025-10-172025-10-172025-09-30https://hdl.handle.net/20.500.11951/1981The study sought to establish the effect of organizational structure on teacher performance in government secondary schools in Ngora district. The study was guided by three specific objectives: to examine the effect of chain of command on teacher performance, to establish the effect of span of control on teacher performance, to examine the effect of delegation on teacher performance in government-aided secondary schools in Ngora District. The study used a descriptive survey design with quantitative and qualitative approaches. The study population consisted 251 teachers, 8 head teachers, 4 District Inspectors of Schools, and a District Education Officer in Ngora district from which a sample size of 152 was derived. The sampling techniques included purposive and simple random sampling. The data collection instruments were a questionnaire and an interview guide. Quantitative data was analyzed using descriptive statistics and Regression analysis, while Interpretative Phenomenological Analysis was employed to examine the qualitative data. The study results exhibited that chain of command has a positive and significant effect on teacher performance as reflected by the findings R square value of 0.262 (26.2%) and an ANOVA P value of 0.000, the span of control has positive and significant effect on teacher performance as shown by R square value of 0.220 (22.0%) and an ANOVA P value of 0.000, delegation has a positive and significant effect on teacher performance as portrayed by R square value of 0.329 (32.9%) and an ANOVA P value of 0.000. The study concludes that chain of command, span of control, and delegation each have a positive and statistically significant effect on teacher performance in lesson preparation, classroom management, and instructional delivery in government-aided secondary schools in Ngora District. However, their effectiveness is undermined by systemic challenges such as centralized decision-making, supervisor overload, and weak accountability and communication structures. The study recommends that the Ministry of Education and Sports to enhance the implementation of enforcement and decentralization policies.enThesis