This article explores chief administrator turnover in international schools. Quantitative and qualitative data from the 83 chief administrators who participated in the study suggests that the average tenure of an international school chief administrator is 3.7 years and that the main reason chief administrators leave international schools is related to school boards, although career considerations are also regarded as important. The two most common school board-related reasons given for leaving are regular changes in board composition and micro-management. (Contains 6 tables.)