The cost of small class size

The Washington Post

March 27, 2011


Some proponents contend that because research shows reducing class size is beneficial, spending on this should be prioritized over anything that is unsupported by research. That’s a neat rhetorical trick but unsound logic. The absence of research on, say, teacher salaries doesn’t prove that we should pay the minimum wage to teachers to dramatically reduce class size. Research should guide spending decisions only if it measures the benefits per dollar of spending on all alternatives.
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