Learning is a behavior that each individual acquires to obtain a new change in behavior as a whole, in order to have the necessary abilities, skills and knowledge. Of course, students need the help of a teacher to support them, one of those who can help is the BK teacher. One of the duties of guidance and counseling teachers is to develop students according to their needs. Learning achievement is the result achieved or obtained by a child in the form of grades. This research method uses qualitative. The conclusion obtained is that BK teachers carry out guidance programs based on the assessments that have been carried out, the counseling theories used by each BK teacher are different from each other.

This study discusses the relationship between leadership style and the quality of teamwork in companies. This study uses literature review analysis to examine the concept of leadership style which includes authoritarian, democratic, and independent styles, as well as the concept of quality teamwork (TWQ). The results of this study show that the right leadership style and good relationship between leaders and employees can affect the quality of teamwork significantly. Effective communication and collaboration between team members are the most important factors in improving the quality of teamwork. Therefore, Companies are encouraged to pay attention to the leadership style of a leader and improve and teamwork to achieve goals and improve overall employee performance.