The main objectives of this study were: (1) To determine the accomplishment of conservation ability among the primary school children (2) To compete for the conservation ability of the rural and urban school children and male and female school children. The population was all the primary schools in Kohat District. Four urban as well as two rural schools were taken as a sample of the study. In the abovementioned sample, 160 students were randomly selected 80 from rural and 80 from urban. And from rural 40 male and 40 females as well as from urban 40 male and 40 females were selected for the study. Researchers have personally visited and administered the conservative capacity (CAT) tasks of students. For data analysis percentage was used. The children of rural school perform better than urban school students because late school enrolment and the performance of females are slightly better than that of male school children.