On the high school level and even on the college level the handing down of historical and economic knowledge is virtually indoctrination. The greater part of the students are certainly not mature enough to form their own opinion on the ground of a critical examination of their teachers' representation of the subject.
If public education were more efficient than it really is, the political parties would urgently aim at the domination of the school system in order to determine the mode in which these subjects are to be taught. However, general education plays only a minor role in the formation of the political, social, and economic ideas of the rising generation. The impact of the press, the radio, and environmental conditions is much more powerful than that of teachers and textbooks. The propaganda of the churches, the political parties, and the pressure groups outstrips the influence of the schools, whatever they may teach. What is learned in school is often very soon forgotten and cannot carry on against the continuous hammering of the social milieu in which a man moves.
~ Ludwig von Mises, Human Action, pp. 877-878