Teachers certified by NBPTS are no more effective in producing academic gains in students than are uncertified teachers

What the body of research on national board certification says, in essence, is that teachers certified by NBPTS are no more effective in producing academic gains in students than are uncertified teachers – and even for the subset of studies that does find an effect, the effect size is extremely small (in the area of 0.1 to 0.2) and can hardly justify the tremendous expense of the certification process and ongoing bonuses paid by the states.

So, while the idea of teacher certification is a good one in theory, we have clear evidence that the current program doesn’t work. What now?

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