The purpose of this service-learning experience was to provide a graduate student from a land-grant university with a teaching experience at a local public school. Through a GK–12 program, author assisted a middle school science teacher in the development of class activities and engaged eighth graders in active learning. In this program, 132 eighth grade students participated in a series of active learning activities developed by the author in collaboration with the teacher. These activities aimed to enhance students’ understanding of the process of photosynthesis.