This study examined school leaders' self-efficacy in relation to time spent on school instructional leadership and managerial tasks. Descriptive statistics yielded a mean score for leadership self-efficacy of 4.1/5.0. For every unit increase in time spent on instructional tasks, leadership self-efficacy scores increased and for every unit increase in time spent on managerial tasks, leadership self-efficacy decreased. In addition, 7% of school leaders spent more than 50% of their time on instructional tasks and 93% spent less than 50% and 45% of school leaders spent more than 50% of their time on management tasks and 55% spent less than 50%.