Pursuing a course in the teaching field is one of the excellent career opportunities. It not only builds confidence in a person instead it is the safest career option in terms of job types. It is one of the respectable professions that one can think of. For teaching, you have to know the subjects for various classes that you want to teach. For private schools some sort of certification is also mandatory these days. You need to have specialization in art, physical education, dance, music, computers, yoga, etc. according to your teaching field.