The same content and learning environments offered to students from different cultural backgrounds in schools, as well as the lack of diversity, fail to address different learning needs, isolate learners from the society. For this reason, there has always been a search for alternative education models. Mixed age groups are taught together in multigrade classes, which is a primary school practice in Turkey that arises from necessity. Thus, the positive effects of this practice can be benefited from considering the multigrade class practice as an alternative education environment for teachers. This study aims to present suggestions to the educators to help them carry out their multigrade classroom activities more effectively and to draw attention to the advantages of the multigrade classroom practices. 14 pre-service teachers took part in the study as participants. The data were obtained through semi-structured interviews held in 2020-2021 academic year. The results of this study emerged in two different categories as physical arrangements and practice-based arrangements. The participants presented suggestions both for the inside and outside the classroom, and for the decoration and materials and instructional process, the institutional functioning of the school, and the type of communication in the classroom.