How to Prepare for Teaching All teachers in public schools must have a teaching certificate, a license to teach. Some are licensed to teach preschool through grade 3. Others are licensed to teach grades 1 through 6 or 8. Some are licensed to teach middle school or high school. Some have a license to teach a special subject. You must have a college degree to be a teacher, unless you are teaching a job skill like how to fix cars. You must take classes in education and practice teaching with the help of an experienced teacher. To be a teacher, you must pass tests in reading, writing, and other subjects. And you have to keep learning. In some States, you have to get a master’s degree. You also need computer training in some States. Teachers must be able to talk to children and be good leaders. The students must trust them. Teachers must be able to make students want to learn. They also should be organized, dependable, patient, and creative.