This study aims to determine the strategy of professional improvement of teachers in improving the quality of graduates, to determine the curriculum implementation of Islamic boarding school (Pesantren) Ar Raudhatul Hasanah in improving the quality of graduates, to obstacles encountered in the implementation of the curriculum and the efforts made to overcome them. This study used qualitative methods, its location in Pesantren Raudlatul Hasanah. Data collection techniques used were observation, interviews, and documentation. Management of data consists of data reduction, data display/presentation of data. Data analysis, the technique ensure the validity of research results. The results of the study stated that the implementation of the curriculum in improving the quality of graduates in Pesantren Raudlatul Al-Hasanah Medan is the efforts made towards the implementation of the curriculum to the needs of improvement and success in realizing the goal of learning, especially in realizing the goal of education implementation in schools in realizing an increase in the quality of graduates. Guidance on the ability of teachers to implement the curriculum in improving the quality of graduates in Pesantren Raudlatul Al-Hasanah Medan. This is done by means of coaching, skills training teachers through workshops, training teachers prepare learning device comprising: ability to prepare syllabus, lesson plans, materials, instructional media, and student learning outcomes assessment instruments. Obstacles encountered on the implementation of the curriculum in improving the quality of graduates is that they have limited facilities and infrastructure such as laboratories, facilities for lab computers to support the needs of education in schools, especially for the purpose of improving the quality of graduates of the schools. Efforts to overcome obstacles is trying to meet the educational facilities, increasing resources and professionalism teachers by providing training to teachers in the implementation of the curriculum in the subjects. Efforts are intended to support the successful implementation of learning, especially in improving the quality of graduates.