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Ed Boland saw the movies where a smart and caring teacher saved the lives of obstreperous students just by the power of personality. He quit his job, to teach, couldn’t control his class, kept notes, and left at the end of a year, feeling beaten. He wrote a book about his year of teaching.
Okay, what’s the lesson here?
It is not easy to teach. Teachers cannot “save lives” in their first year. It takes time and experience to become a good teacher. Before entering the classroom, be well prepared. Know your subject matter. Learn classroom management. Spend a semester or a year as a student teacher, guided by a mentor teacher.
Teaching is is a profession not a pastime, not for amateurs.