The development and usability of management techniques by most organizations have made them indispensable tools in solving organizational problems. It is against this background that this study investigated principals' management techniques and students' academic performance in secondary schools in Ilorin East Local Government Area of Kwara State. The study adopted a descriptive research design. The population of the study comprised of all the 28 public secondary schools in Ilorin East. Ten secondary schools were randomly selected for this study. Purposive sampling technique was used to select eight teachers in the core subject areas used for this study. A researcher-designed instrument titled "Principals' Management Techniques Questionnaire" (PMTQ) and a proforma titled "Students' Academic Performance Proforma" (SAPP) was used to collect students result in the four core subject areas used for this study. The validity and the reliability of the instrument were ascertained and the co-efficient of reliability was 0.72 which was considered high enough for this study. The result from the research question showed that motivational management technique was the most proffered technique used by principals in Ilorin East Local Government Area with a mean score of 3.62 while the record keeping technique had the lowest mean score of 2.38. Findings showed that there was a significant relationship between principals' management techniques and students' academic performance in Ilorin east local government Area of Kwara State (r =0.641; p<0.05). In line with these findings, it was recommended that principals should try as much as possible to adopt the suitable techniques applicable in a particular situation for the day to day running of the school and teachers should be involved in the formulation of the objectives of the school for the effectiveness and achievement of the school goals.