Implementation of effective management of guidance and counselling will support the improvement of the quality of education in schools. There are still many supervising teachers in carrying out their duties who are not oriented towards improving the quality of education in the school where they work. This study aims to examine the implementation of guidance and counselling management in improving the quality of education at SMAN 1 Lembang, West Bandung Regency. The approach used in this research is a qualitative approach, the method uses the case study method. Data were analyzed qualitatively. Data was collected using interview data collection techniques, observation and documentation studies, the subject of the research was the guidance and counselling coordinator. The results showed that the management of guidance and counselling had been carried out by the coordinator and the supervising teacher, in detail as follows: before deciding, conducting an analysis of student problems from notes on problems experienced by students in the previous year. The planning by the guidance and counselling coordinator, service content, objectives, principles, functions, services, and guidance and counselling techniques looks at the guidance and implementation of guidance and counselling from the National Education Office. Organization has been carried out by creating an organizational structure and division of tasks for foster children for each supervising teacher. Guidance has been carried out by coordinating and cooperating. Supervision has been carried out by examining the administration of the supervising teacher.