By teaching them that there is more than one way to do something they can help a student achieve goals in their lives. A teacher wants to help a student to be able to processes information in their mind to help them find various solutions to future problems they may face. It is human nature for people to want to learn. Everyone wants to learn, but in different ways. As a teacher you have to find a way a student will learn what you are trying to teach.
Schools have systems for students to learn.
Maybe some teachers have to change the way they teach so a schools system can work. A teacher's role in class is to always find ways to keep students learning. Maybe one day they will go outside and read or listen to a tape. A teacher has to find various ways to be able to capture the students. Administrators have to make sure the teacher is doing a good job.