The Washington Post – Michael Alison Chandler
“Last summer, Maryland won a $250 million federal grant with a promise to build a model to evaluate teachers and principals that would be “transparent and fair” and tie their success for the first time to student test scores and learning. Now, the state that prides itself on cutting-edge practices and top-in-the-nation schools is struggling — along with every state or school system that has ever tried — to come up with a reliable formula for improving the teacher workforce and rooting out the lowest performers.”(more)