The achievement of the goals of the schools depends on the administrative behaviors that enable the school administrators to perform the tasks assigned to them. However, advances in technology make it easier for school administrators to exhibit managerial behaviors as well as cyberloafing behaviors that may prevent these behaviors. In this research, it was aimed to determine the relationship between school administrators' administrative behaviors and cyberloafing behaviors. The sample of this research, which is a relational survey model, consisted of 41 school principals and 433 teachers working in Tavas district of Denizli in 2018-2019 academic year. The parametric test was used in the analysis of the data collected with the Cyberloafing Scale and the Administrative Behavior Scale developed in the International Teaching and Learning Research (TALIS). However, nonparametric test was used in group comparisons when the number of elements was less than 30. According to the results, it was concluded that school administrators thought that they exhibited more administrative behaviors than teachers' perceptions and that school administrators performed cyberloafing behaviors "very little". In addition, according to both administrators' and teachers' perceptions, it was found out that school administrators exhibited their managerial leadership behaviors more than instructional leadership behaviors. While school administrators 'perceptions of administrative and cyberloafing behaviors were not different in terms of different variables, it was seen that teachers' perceptions differed according to the type of school they work. Finally, it was concluded that there was no relationship between school administrators' level of showing administrative and cyberloafing behaviors.