Irrational beliefs are those illogical and rigid views about events, which are inconsistent with reality. These beliefs consequently lead to self-disturbing behaviors. Also, they are linked with poor individual functioning and individual adjustment. The counter parts to irrational beliefs are rational beliefs, which are flexible and non-extreme views of adversities. In the present article, the first part will be consisted of the meaning, causes, and consequences of holding irrational beliefs. In the second part, the meaning and consequences of holding rational beliefs will be discussed. In the third part, the impact of holding irrational and rational beliefs on educational performance will be addressed. The fourth part will provide the reason and the ways of changing irrational beliefs to rational ones in educational settings. The result of the study will be the fifth part of the article. Eventually, the final part of the article will be consisted of conclusion and recommendations.