Distance education has become a rather popular form of education recently. The advantages of this form are obvious and well-known. They include asynchronous learning, individualized learning trajectories and convenient case technologies. However, the distance form of education is not able to form the trainee's hands-on experience, especially concerning the complicated technological equipment. Besides, it cannot form one's personal communication skills of working in the team. That's why many distance teaching programs include synchronous teaching elements. The difference in the students' achievements creates a lot of problems in the organization of educational groups. The principle of dynamic study group forming for a short-term synchronous teaching is proposed by the author as a way of solving such problems. [For the full proceedings, see ED562127.]