The objective of this paper is to examine competencies in classroom management of teacher candidates. Research design was determined as pre-experimental research design. Research was conducted with 388 teacher candidates. In this research, these were found; Attitudes of students about competencies in classroom management differ according to gender. Male students have higher competencies of classroom management scores than female students before application; but, male students have lower competencies of classroom management scores than female students after application. Attitudes of students about competencies in classroom management differ according to class significanly. Fourth class students have higher competencies of classroom management scores than third class students before application And, Fourth class students have higher competencies of classroom management scores than third class students after application. Attitudes of students about competencies in classroom management differ according to education type significanly. Daytime education students have lower competencies of classroom management scores than evening education students before application. And, daytime education students have lower competencies of classroom management scores than evening education students after application. Attitudes of students about competencies in classroom management differ according to field of study significantly. There are differences between classes of primary school tecaher education with Turkish teacher education, social sciences teacher education, science and technology teacher education.