Michelle Rhee, education chancellor of the District of Columbia -- in charge of the worst performing public school system in the nation -- has laid down the gauntlet before the Washington Teachers Union (WTU), declaring that she will unilaterally impose a new teacher evaluation system that will result in widespread dismissals of teachers who fail to meet minimum standards.
The District's public school system ranks at, or next to, the bottom on almost every measure of performance used by the U.S....
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