摘要:AbstractThis research has been conducted in order to find out what school principals think about the effects of provincial educational supervisors when they are officiating their duty on the training of teachers in terms of profession. The principals that work in all primary and secondary schools of Beylikdüzü district in the 2012-2013 school year form the universe of the research. All principals that form the universe are included in the research and further sample is not used. Five point likert scale that is adapted to İstanbul sample by researchers and developed by Gökalp (2010) is used in order to collect data. %74.81 of the aplied scale provided feedback. When the results that are derived from the statistical comments of the data that are derived with the scale are examined, it's seen that the school principals participated in the propositions of the survey with a degree of 3,47 with the level of ‘high’ as (▪). It's seen that the least participation is to the ‘post-supervision interview with the teacher in teacher training’ with an arithmetic average as (▪) with a degree of 2,72 with a level of ‘medium’. When the fact that post-supervision supervisor sharing of their views will make a major contribution to the development of teachers in professional training and development is taken into considiration these interviews should be definitely conducted.