The purpose of this study is to determine the opinions of administrators of National Education Directiorate, School Directors and Vice-school Directors about the in-service activities and the system of in-service training programs related to work security. Moreover, it is investigated the level of the knowledge whether in-service training ignores professional diseases, the participant of in-service trainees are aware of the difference between the participation and success certificates that they deserved at the end of the training and there is a lost of expectations on the trainees related to prove the gainings that they got through the training. To determine the knowledge level of the administrators on in-service training related to administration and investigation, they were given a data obtaining tool including knowledge about in-service training. The sample of the research consists of 30 school directors and 75 vice school directors, total 105 administrators working in different schools of Agri National Education Directoriate. According to the findings of the research, it is seen that the administrators answered the questions including the knowledge on in-service training in changing rates. At the end of the research, it is realized that the administrators were qualified with the rates between 29% and 53% about the in-service training related to administration and investigation.