This study intended to measure the cognitive behavioral physical activity levels of students aged 17-18 enrolled at different schools. The study population was comprised of the 17-18 age group and the study sample was comprised of 159 students in total n:76 (47.8%) enrolled at 15 Temmuz Sehitler Sports High School and n:83 (52.2%) enrolled at Cumhuriyet Anatolian High School in the province of Nigde. The data was analyzed with Statistical Package for the Social Sciences and the confidence level was 95%. According to the Kolmogrow Smirnov analysis, t and ANOVA tests were used as the participants' cognitive behavioral physical activity scores had normal distribution (p>0.05) and Mann Whitney U and Kruskal Wallis tests were used as result expectation, self-regulation and personal obstacles subdimension scores did not have normal distribution (p<0.05). According to the study results, there was no significant difference between the students enrolled at the Sports High School and the Anatolian High School. There was significant difference between the participants aged 17 and 18 considering cognitive behavioral physical activity by school. There was significant difference between the female and male participants in terms of Personal Obstacles. Accordingly, females had higher Personal Obstacles. Considering cognitive behavioral physical activity by gender, there was significant difference between the female and male participants in terms of cognitive behavioral physical activity. Accordingly, males had higher Cognitive Behavioral Physical Activity.