The diploma thesis deals with the subject racism in education, in the subject upbringing to citizenship at the second degree of elementary school. The issue of racism during history, racialist theories, ideology and the current situation of the extremist movements in Czech Republic are described in the theoretical part. The practical part focuses on didactic processing of this topic and its teaching at the second degree of elementary school. The issue is taught at elementary schools in ČB, at ZŠ J. Š. Baara, ZŠ L. Kuby, ZŠ Máj 1. Within education these hypothesis are beeing verified: 1. Do students know the term racism and do they know how to define it? 2. Do students have prejudice against other races? The goal of the diploma thesis is to find out, how students apprehend racism and what is their relationship with other races.