The objective of this study is to evaluate the primary school second stage Turkish Education Curriculum effectuated in 2006 and the secondary school Turkish Education Curriculum effectuated in 2015 comparatively in terms of critical thinking. Of qualitative research designs, document analysis approach and content analysis were adopted for the study. The elements of aforementioned curriculums such as teaching approach, overall objectives, basic approach, basic skills, basic language skills, achievements, elements and methods were analyzed in terms of critical thinking. Both Turkish Education Curriculums have taken critical thinking as a basic skill, and have included critical thinking in the sections of overall objectives, basic approach and vision. On the other hand, 2006 Turkish curriculum is richer in methodological basis in terms of giving basic language skills, while 2015 Turkish curriculum is richer in terms of achievements.