The study intends to allow teachers in the subject of physical education and health to make a comparison between a one-teacher system and a two-teacher system, to make visible the advantages and disadvantages in terms of equivalence and joint assessment. To be able to do that, the teachers need to have worked within the two systems that are relevant for the study. The level of education that will be studied is grades 7–9 at upper grades in compulsory school level. To create an insight into how teachers teach in the different systems, studies concerning two-teacher systems, joint assessment, and educational equity have been read. The study utilizes a thematic qualitative method with a theoretical starting point in hermeneutics where elements of an abductive approach were made via interviews with six teachers within the subject. The interviews in the study showed that there were mixed opinions about the advantages and disadvantages of the two-teacher system. According to the available research, Sweden is far behind in the research of the two-teacher system and its implementation in schools, it has emerged that the two-teacher system is relatively new in Swedish schools. Which was also demonstrated in the interviews that were conducted. The conclusion after the research and results were carried out was that a two-teacher system can increase equality in education, but that it needs to be designed in the right way with a management that knows what a two- teacher system stands for, otherwise the whole concept falls apart. That a higher quality of cooperation is required on the part of the teaching teachers for it to work in a two-teacher system, and that joint assessment is preferable regardless of whether it is a one-teacher or two-teacher system that is used in the education.