THE ACTIVITIES OF THE EDUCATIONAL INSTITUTION STAFF TO CREATE SPATIAL-SUBJECT ENVIRONMENT FOR TRAINING HETEROGENEOUS (MIXED-AGE) GROUPS OF STUDENTS
This article examines the training of mixed-age groups of students, design and creation of the spatial-subject environment of the educational organization that is necessary for the implementation of project and research activity in mixed-age groups of students, as well as the competences of teachers and heads of educational institutions, which are necessary for the implementation of these activities.