Parents who want quality education for their children cannot depend on a public-school system whose only real achievement is an endless list of excuses why it can’t educate their children.
As we might expect, teacher quality is far more important than class size in determining how children do in school. William Sanders at the University of Tennessee studied this issue. He found that teacher quality is almost twenty times more important than class size in determining students’ academic achievement in class. As a result, reducing class sizes can lead to the contrary effect of hurting students’ education, rather than helping.
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