The curriculum for education and training is a plan, objectives, content, and learning approach that is structured to direct the education process in order to achieve certain abilities in students or training participants. In a formal education environment, the curriculum serves as the main guide for institutions and educators in setting learning targets, compiling teaching materials, choosing teaching techniques, and assessing educational outcomes. On the other hand, in training programs, the curriculum focuses more on achieving specific skills needed in the work environment, with materials and strategies adapted to the needs and character of the participants. The main elements of the curriculum include objectives, content, methods, and evaluation, all of which must reinforce each other to ensure the achievement of the desired results, both in cognitive, affective, and psychomotor aspects. The process of developing an education and training curriculum requires needs analysis,es goal setting, content development, selection of learning experiences, and preparation of appropriate evaluation instruments. Therefore, the curriculum in education and training not only functions as a tool for planning and organizing learning, but also as a driver of change and improvement in the quality of human resources that are responsive e, and needs in the world of work.

Correspondence administration activities play an important role in supporting the smooth operation of the school. At UPT SMP Negeri 27 Medan, manual management of correspondence previously caused various obstacles such as delays in letter distribution and difficulties in tracking archives. Therefore, a more effective and efficient correspondence management system is needed. This study aims to describe the implementation of a correspondence management system in improving administrative performance at UPT SMP Negeri 27 Medan. This study uses a qualitative descriptive approach with observation, interview, and documentation techniques. The results of the study indicate that the process of receiving and recording incoming letters has been running according to procedures and facilitates information management. The disposition of letters is carried out systematically and on target by the school leadership. The preparation and recording of outgoing letters is carried out by paying attention to good administrative rules. In addition, archiving, maintenance, and destruction of archives have begun to be carried out digitally, thereby increasing the efficiency and speed of administrative services.