This study aims to 1) find out the indicators of the application of the among system concept in improving science learning outcomes in grade 3 SD Negeri 1 Donotirto. 2) describe the implementation process of the Among system concepts in improving science learning outcomes in grade 3 at SD Negeri 1 Donotirto. 3) find supporting factors and inhibiting factors in applying the among system concept in improving science learning outcomes in grade 3 SD Negeri 1 Donotirto.This research was conducted at SD Negeri 1 Donotirto. This research is a qualitative descriptive study. The subjects of this study were principals, class teachers and students. Data collection was taken through interviews, observation, and documentation. Data were analyzed using the steps of Milles and Huberman theory, namely data collection, data reduction, data display, and conclusion. The techniques for retrieving the validity of data used triangulation of sources, techniques, and time.Descriptive research results show that: 1) the indicators of theapplication of among system concepts in improving science learning outcomes in class 3 used different methods and approaches and the teacher applied the elements of asah asih asuh in science learning. 2) The process of implementing the among system concept in improving science learning outcomes in class 3 had been carried out in the learning, the teacher did not only teache knowledge but also noble values, the teacher considered students like their own children and the teacher also provided flexibility in the learning and the teacher did not commit violence. 3) the supporting and inhibiting factors for the application of the among system concept in improving science learning outcomes in class 3. The supporting factors were the existence of the Tamansiswa trilogy ing ngarsa sung tuladha, ing madya mangun karsa, tutwuri handayani, the openness of communication between teachers and students. Students always followed the teacher’s direction, while the inhibiting factors experienced by the teacher when applying the among system in increasing the learning outcomes of science learning in class 3 were about the diversity of students in the classroom, the influence of the time development of children was more focused on mobile phones. The solutions applied by the teacher in the application of the Among system concept in improving of science learning outcomes in class 3 were that the teacher must be patient, applied a variety of strategies in learning, and the teacher must be asah, asih dan asuh. (sharpened, caring and nurturing).