Research shows that the most important in determining the quality of education received by a child is the teacher. the most complex work today, requires extensive knowledge of subject matter, caring, and love for subjects, disciplinary knowledge and classroom management techniques, is the desire to make a difference in the lives of young people in the future. With all the qualities needed, it is not difficult to find a great teacher. Great teachers master the subject matter and demonstrate expertise in the subjects they teach and spend time continuing to gain new knowledge. They present material in an enthusiastic way and instill curiosity in their students to learn more independently.