Two main purposes guided this study. The first was to identify the degree to which Jordanian teachers practise classroom management styles in their classrooms and their level of teacher self-efficacy. The second purpose was to explore the relationships between classroom management styles and teacher self-efficacy. This study is quantitative in nature and was conducted using a survey design. A variety of statistical techniques were utilised in this research. The Pearson product moment correlation coefficient (r), means and standard deviations were used as the main statistical techniques. Findings of this study revealed that Jordanian teachers practise the instructional classroom management style more than the other management styles: behaviour management and people management. However, people management was rated the style least practised by Jordanian teachers. Further, Jordanian teachers who participated in this study perceived themselves to have a higher level of personal teacher efficacy compared to general teacher efficacy. Finally, personal teacher efficacy has the highest and significant relationship with each of the classroom management styles and classroom management styles overall. However, general teacher efficacy was found to be correlated insignificantly with each of the classroom management styles and classroom management styles overall. (Contains 3 tables.)