How to grade a teacher

This is the second column I’ve written about Deborah Loewenberg Ball, the dean of the University of Michigan School of Education. Ball believes the training that teachers get while they are in school needs to be drastically improved. Last year, I...

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Arellano: Michigan must invest in teacher effectiveness

A teacher’s effectiveness is the most important in-school factor in improving student achievement. It’s more important than class size, where a school is located, and even more important than the overall performance of the school. The idea that...

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