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A teacher is someone who communicates information or skill so that someone else may learn. Parents are the【C1】______teachers. Just by living with their child and【C2】______their everyday activities with him, they teach him their language, their values and their manners. Information and skills difficult to teach【C3】______family living are taught in a school by a person【C4】______special occupation is teaching. Before 1900 it【C5】______widely assumed that a man was qualified to teach if he could read and write and【C6】______qualified if he knew arithmetic. With modest【C7】______like these, it is no【C8】______that teachers had low salaries and little prestige. Literature and history frequently portray teachers【C9】______fools and ignoramuses. By the late 19th century, there were【C10】______that the status of teachers was slowly【C11】______. Great educators such as Mann and Henry Barnard, and innovative thinkers such as Dewey and Parker began to command a【C12】______that in a few decades had to some【C13】______permeated classrooms in the United States. Progress was more glacial than meteoric, however,【C14】______the last half of the century. In the 20th century the status of teachers rose as the standards【C15】______their education rose. By 1950 the average teacher had an education that greatly exceeded that of the average citizen.