The purpose of this study is to develop a tool for measuring the 4C competence of teachers. This article focuses on 4C and core competence such as Creativity, Critical thinking, Communication, and Collaboration that have been identified as being required for success in future society. In order to achieve the purpose of this study, previous studies of teacher competence, 4C competency, and 4C competency measurement tool were analyzed. Based on the analyzed research, basic questions were firstly developed, and for the validity the survey questions were tested by 25 experts and then preliminary test of it was taken by 10 teachers. With the result of preliminary study, revised 4C competence measurement questions were drawn, and their reliability and validity were verified through a survey of 500 teachers. Finally, 25 questions were drawn for measuring teacher 4C competence. These final questions reflect each factor of 4C well, and the individual questions were also appropriate, confirming the validity of the test. The teacher 4C competence measurement scale developed in this study can be used to diagnose 4C competence level of Korean teachers and design individualized teacher training programs upon a teacher’s 4C competence level and needs as well. Also, it is expected to be used to devise teacher education programs centered on teacher competence.