An appraisal process that only requires one meeting between school leaders and evaluators rather places emphasis on the question whether a result has been achieved or a skill has been demonstrated. Based on an extensive review of literature on school leader appraisal, Leon et al. ( A high frequency of meetings and school visits may increase the effectiveness of these tools to gain a better picture of a school leader’s performance and produce valid information (Pashiardis and Brauckman, 2008). However, the time and efforts required for the longer-term observation of school leaders also involves costs that need to be considered (Ginsberg and Berry, 1990).