SUMMARY
The study investigated teachers’ awareness of knowledge management and knowledge sharing behaviour in secondary schools-Nigeria. Three objectives/ purposes guided the study and the hypothesis was tested at significance level of 0.05. Descriptive survey research design was adopted for the study. The population comprised 283 teachers. The sample of the study was the 283 though 244 returned copies were fit for analysis. One formulated hypothesis was tested with t-test statistical technique. The collected data were analyzed with the use of SPSS version 23. The major findings of the study include; the level of awareness of knowledge management by experienced and less experienced teachers in Isoko South Local Government Area of Delta State was high. Knowledge sharing behavior of both experienced and less experienced teachers was positive and commendable; Among the implication of the study is the fact that government at all levels will be adequately informed why there is need to provide a conducive environment for teachers to thrive in the area of knowledge management. It was recommended that all categories of teachers’ trainers should ensure that the concept of knowledge management is captured in teachers’ curriculum. Equally, school authorities should have an open door policy that will boost the level of knowledge sharing behaviour and management among secondary school teachers.