In this study, it was aimed to reveal the opinions of teachers about supporting and training courses. In the study, case study which is one of the qualitative research methods is used. The study group of the research is 33 teachers working in the courses. The data of the study were collected by using semi-structured interview form and analyzed by using content analysis technique. It is understood that the general opinions of the teachers about the courses are positive. The most common teaching-learning method-techniques used by the teachers in the courses are: question-answer, lecture and question solving. Smart board, tests-photocopies, auxiliary resources, EBA content and documents are the materials that teachers often prefer in the courses. Teachers stated biggest advantages of courses in terms of students as repeating and reinforcing of the lessons learned, being courses’ free and providing equal opportunity, eliminating subject deficiencies and focusing issues that are not understood. As well as the teachers often stated that the course has no disadvantages; course time, being exhausting, time and frustration are expressed as disadvantages. Teachers emphasized advantages of the courses in terms of themselves as the most intensive economic contribution, concentration on missing subjects, personal and professional development and they specified that situations of being tiring, reducing holiday and rest periods as disadvantages. According to the teachers, the most important problems experienced in courses: student absenteeism, lack of motivation, transportation and nutrition problems.