The Adiwiyata program has the character value of caring for the environment in a person to carry out activities related to nature. Through the Adiwiyata School Program, students can be trained to have creative, adaptive, collaborative and independent behavior in accordance with the Pancasila student profile. The aim of this research is to evaluate the implementation of the Adiwiyata School program in finding gaps in the design, installation, process, product and cost-benefit aspects of the Adiwiyata School Program at SD Negeri 03 Jati Jaten, Karanganyar Regency. Program evaluation to ensure the Adiwiyata program is implemented in accordance with the objectives and results as a recommendation to improve the Adiwiyata program in this school. This research uses the DEM (discrepancy evaluation model) evaluation model or what is usually called a gap evaluation model which focuses on every aspect of design, installation, process, product and cost-benefit. This research uses descriptive qualitative research. Data and information collection regarding program implementation in providing guidance to students is carried out by means of interviews, document studies, and observations. Data analysis was carried out through a process of data reduction, data presentation, and drawing conclusions. The results concluded that the Adiwiyata program at SD Negeri 03 Jati was implemented well even though it had not fully met the targets set. In the design aspect, no gaps were found at all. In the design aspect, no gaps were found at all. Meanwhile, in the installation aspect there is a gap of 12.5%, in the process aspect there is a gap of 11.25%, in the product aspect there is a gap of 16.67%, and in the cost-benefit aspect there is a gap of 12.5%. Based on the gap findings, there are several recommendations that can be proposed, firstly to the school to continue the program by improving the management of environment-based curriculum components by increasing collaboration with all school members and participatory activities by means of intensive and sustainable mentoring as well as budget allocation for the development of the Adiwiyata program. The second recommendation is for the Environmental Service and Adiwiyata School Trustees to provide assistance and provide support for Adiwiyata schools. Keywords: Program Evaluation, DEM, SD Negeri 03 Jati