At the beginning of 21 century in the domain of teaching and education, it is felt that there are a lot of disadvantages in education system on a scale of the current outputs. Furthermore, the quick changes in different fields, changes in the needs of the society and the appearance of new jobs, all together demand a revision in the educational system. A quick outlook of education system reveals that to win public trust, training admirable teachers is very important. So, it is important to pay attention to the training programs of education system and prepare creative and admirable teachers as members of this system. Roger Kofman believes that the rate of success in an educational system depends on the compatibility of the goals of the system and the goals of the society. So, the following questions are going to be discussed in this article. How is the educational system in 21 st century? What are the characteristics of teachers in 21 st century?