Abstract: This study has objective to find out development of management model of Kindergarten Teachers team work (KKG TK) to increase effectiveness in improving professionalism of kindergarten teachers. The researcher investigated “Teratai, Anggrek and Mawar” kindergarten teachers team work in Indonesia. Interview was applied to collect data and information as strategy in improving the effectiveness model of KKG TK. The validity was based on some experts from relevant fields and “Teratai” KKG TK was considered as an experimental group. The result of the study were: KKG TK has not applied function of management well related to learning organization; it has not conducted planning appropriately based on vision and mission of organization which is professionalism of kindergarten teacher; in implementing organization, KKG TK still cannot manage organization properly; there was lack of leadership function; evaluation was only executed at the end of agendas to know whether the planning can be implemented well or not.