Aim: The main purpose of this study was to compare the attitudes toward obese persons scale (ATOP) scores of the students in Physical Education and Sports School in terms of classes and some variables.Materials and Methods: Causal comparative Research method was used in this study. The study was performed 330 students (age:22.33±2.31) including 117 female and 213 male. In order to determine the attitudes toward obese persons ATOP scale developed by Alison et al. (1991) and validated for Turkish population (T-ATOP) by Dedeli et al. (2014) was used. All result was summarised by means of descriptive statistical techniques. Independent Sample T Test, Anova Test and Pearson Correlation Test were used for the suitable situation (Accepted significance level: p<0.05). Results: It was found no significant differences the T-ATOP scores of female and male groups t(328)=1,642, p>0.05. As a result of the Anova test, the T-ATOP scores of the four classes showed significant differences F(3, 326)=6.51, p<0.05. In relation to this result the T-ATOP scores of 4. class students was significantly higher than the other classes. This shows that 4. Class students have more positive attitudes towards obese than the other class.Conclusion: The main significant result of this study was that as the classes get higher, the attitude towards overweight and obese people changed positively. It can be considered that the students of Physical Education and Sports School have positive attitudes towards overweight and obese persons by being informed about the mechanism of obesity through their courses which directly or indirectly related to obesity during their undergraduate education. In addition to this courses, it can be thought that in the last year of undergraduate education, such as the practice of collective service application, internship, coaching practice, it is possible to create a chance to practice the theoretical knowledge practically, which may lead to students becoming more understanding of overweight obese persons they meet and to explain the sudden change of attitude in the positive direction.