The main purpose of this study was to evaluate Islamic Studies textbook regarding integral model of peace education at higher secondary school level in Khyber Pakhtunkhwa, Pakistan. It was qualitative and evaluative study. Stafflebeam model of evaluation CIPP (Content, Input, Process and Product) was used to evaluate Islamic Studies textbook at higher secondary level in Khyber Pakhtunkhwa, Pakistan. The Islamic studies textbook was taken the population of the study. The main purpose of this study was to find out the components of peace education in the Islamic Studies textbook for example, human rights, patriotism, humanity, peace building, stability in society, etc. Critical discourse analysis technique of data analysis was used in this study. In critical discourse analysis technique all the components of peace education was identified and critically explained all the components of peace education was discussed and how much it was discussed. And critically explain all the components of peace education.