It's not that complicated

Creating a teacher evaluation system is a simple three-step process (“What is a fair way to evaluate the effectiveness of teachers”, 6/30/11). Convert all teachers to at-will employees; make principals responsible for hiring and firing; and give children a voucher and the freedom to choose their school. Schools stocked with good teachers will flourish while those employing bad teachers will fail. Principals seeking to serve their customers will weed out the bad teachers. Principals who don’t, will be replaced. Happens every day in the real world.

[Letter to the Editor - The Detroit News. Published 07/28/2011.]