In this study, research was carried out in order to find out whether the certificate system which requires attendants of in-service training is adequate; whether their achievements are sufficiently evaluated in the appointment and ranking processes; whether in-service training is accepted as both a right and a responsibility of the institutions; whether the units responsible for the coordination of in-service training on a national and local level in Turkey are sufficient, and whether human relations are deemed important in in-service training programs as part of views of the Directors of the Agri National Education Directorate, the Principals and Vice Principals of Primary-Secondary Schools in the context of Administration and Supervision. The directors administered a survey which contained information on in-service training in order to determine their level of knowledge on this training in terms of administration and supervision. The sample for the research is composed of 105 directors, 30 of these directors are principals, and the others are vice-principals, from the directors of Agri National Education. According to the findings of the research; it was seen that the directors answered the questions containing information on in-service training with variable rates.