The purpose of this study is to gather the educational supervisors' opinions regarding whether the supervision system and in-service training courses reaches its aim and to obtain their suggestions about the restructuring of the supervision system. The sample of the study is composed of 104 supervisors. The qualitative data were collected through the "Supervisors' Opinions and Suggestions regarding the Supervision System Form", which was made up of open-ended questions. The findings were obtained through content analysis. According to the results of the study, 30% of the supervisors think that the supervision system reaches its aims, and 34% contend that it reaches its targets with regard to certain aspects whereas 36% of the supervisors believe that the system does not reach its aims. The majority of the supervisors think that the in-service training program does not reach its aims (87%). The supervisors' suggestions about the improvement of the system tend to focus on restructuring efforts about general system and supervision services.