The present study was undertaken to discuss the impact of teacher’s behaviour on the academic achievement of senior secondary school students of district Bandipora (J&K). All the students of senior secondary school constituted the population. From the three senior secondary schools, 300 students from different departments were selected as a sample. A questionnaire has been developed and validated through pilot testing and administered to the sample for the collection of data. The researcher personally visited respondents, thus 100% data were collected. The collected data were analyzed by using average method. The major conclusions of the study were found that the Students are satisfied with the positive behaviour of their teachers. The relationship between the teachers’ behaviour and corresponding academic achievement (marks) revealed a highly positive.