This research is a descriptive study, which aims at analyzing the effects of texts about Turkish and American cultures on reading comprehension level of primary school students. The experimental group was composed of 103 students. Within the scope of the study, the Reading Comprehension Scale was used to collect data and the answers given to the questions by the students were analyzed by three raters using a common scoring rubric. In the analysis of data collected within the scope of the study, one sample t-test was used in comparing the reading comprehension level on the basis of culture. An independent t-test and Mann Whitney U test were used to compare student success according to gender factor. In the light of the consequences of this research, reading comprehension level for the texts did not vary according to gender, the cultural elements and according to text type.