The supposed effectiveness of the team work and its expression is dealt in this work. Considering the special things in the educational organizations, theoretical aspects of the team work by Lithuanian and foreign authors have been analysed. On the basis of the theoretical analysis, an empiric experiment of the team work has been made and specific features stated. The analysis of the results give the opportunity to make a conclusion that educational organizations have a potential to make the team work more effective. Nevertheless, the team work in the educational organizations is a specific area and it should be applied only having in consideration specific features of educational organization. Summing up the results of the experiment, it can be proved, that the team work and its effectiveness make the quality of the educational organizations better.

Raktažodžiai: The effectiveness, team work, educational