The article emphasizes the features of the teacher's professional activity as one that is focused on the collectively achieved result. The requirements for professional relations in the teaching staff are clarified and the content, approaches, methods of preparation of the student - future teacher to establish relations of cooperation with colleagues in the institution of general secondary education are outlined. The authors substantiate the objective need to prepare future teachers for professional relations, which involves mastering the ethical principles of business relationships in the educational environment, understanding the essence of the requirements for the employee as a member of a team of like-minded people; ability to act in accordance with common goals, objectives, based on recognized in the educational environment moral and ethical principles; ability to analyze complex communicative situations, knowledge of ways to prevent and resolve conflicts between participants in professional interaction; awareness of the essence of anthropological competence of a modern teacher, its indicators, ways of formation and methods of implementation in professional communication, mastery of the basics of psycho-emotional self-regulation, to be motivated for constant personal and professional self-improvement. In freelance education, such training can have a universal meaning, but it is especially important for the teacher as a subject of continuous multilevel professional interaction.