The purpose of this study was to develop a Student Leadership Behavior Scale related to leadership education based on experiential learning in university and to examine the reliability and validity of the scale. Leadership education based on experiential learning is conducted based on the theory of experiential learning. A 54-item scale was created utilizing previous research and preliminary survey data. The study involved 156 students (Time 1) and 110 students (Time 2) from University A to conduct leadership education on a large scale in Japan. Factor analysis results revealed that leadership behavior consisted of six factors: taking initiative and modeling the way, challenging the process, sharing goals, managing goals and tasks, task-oriented support, and people-oriented support. Items were carefully selected to create a final scale that consisted of 30 items. As a result of examining the reliability and validity of the developed scale, positive values were obtained overall.