The aim of this work was to study how the Physical Education has treated the topic of obesity.Among the schools chosen at first, we selected two: one State, level medium-low, and one particular of high socioeconomic status.In schools, we selected a class of each series -5 th, 6 th, 7 th and 8 th.The choice of schools was made randomly from the permission thereof.We developed two protocols: one facing the students of 5th to 8th grades of elementary school, the other for teachers of Physical Education.Results: Regarding the frequency at both schools physical education is offered once a week, with double lesson, the level of participation for students who actively participate, others partially, there are students who feel excluded, they feel discriminated, as the approach in physical education classes on topics of health, the state school was more effective, as the teacher to emphasize the importance of physical activity to a state school is more effective.For teachers, the school teacher state was more attentive to this issue through your planning.Conclusion: Students in the public school and the teacher showed they were more concerned with issues of obesity and other health-related topics.