The purpose of this study is to determine the personality characteristics of the students who study at the High School of Physical Education and Sports and to determine the differences between the personalities according to the demographic characteristics of them. The "Proactive Personality Scale" was used for collecting research data. Independent t-test was used for two groups and the one-way analysis of variance for more than two groups in the comparison of the subjects' opinions, in terms of the proactive personality traits, according to their individual characteristics. As a conclusion, though there were no statistically significant difference between gender, number of siblings, environment they lived in, sports branches, education level of mother, education level of father, and income levels of the students participated in the survey (p>0,05), significant difference was detected in terms of sporting status, sport ages, achievement levels, and family income levels of (p <0.05).