National Critical and Creative Thinking Competition (CCTC) was organized for the first time in 2003 with the joint initiative of Mongolian Intellectual Development Center-IQ NGO, Academy of the Mathematics Teachers in Mongolia, and Khan-Uul Institute and this competition was approved one of the official Olympiads with a decree of Ministery of Education, Culture and Science in 2004.  The 17th CCTC was held in May 2019, Ulaanbaatar. The competition aims to develop out the intellectual skill and ability of the children from a younger age, recognize the children with high IQ, accept the recognized IQ and promote the intentions supportive for intellectual education in Mongolia. The competition tasks have tested the thinking skills, logical speed and wisdom of the school students and assessment levels are getting up for every year.