To teach proper reading,writing,arithmetic and other needed life skills to his/her pupils and be sure there's no cheating and to maintain a clean,quiet and comfortable place for children to learn,to incorporate one on one learning and levels specialized to each student's needs,to incorporate group participation and rewards for good behavior
The role of a teacher in a school setting has changed greatly over the last several years. In the past the teacher stood at the head of the classroom and imparted the facts either from a textbook or from personal and professional knowledge. With the advent of technology, internet access, and the explosion of information in the information age, the main job of a teacher is to instruct those facts that are not changeable such as 2 + 2 = 4 and such, but to help their students understand the question and then find the answer, and how to utilize the different resources for locating information.
To teach and guide the students they are teaching.