Sources: American Federation of teachers; interviews with elementary and middle school teachers in California, Connecticut, Georgia, Iowa, Minnesota, New York, and Texas.

资料来源：美国教师联合会，采访了来自加利福尼亚、康乃狄格、乔治亚、衣阿华、明尼苏达、纽约和德克萨斯州的中小学教师。

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Randi Weingarten of the American Federation of Teachers said the plan appears to place all the responsibility on teachers, but gives them "zero percent authority."

VOA: special.2010.03.18

He also got the support of the Service Employees International Union, the Illinois Federation of Teachers, the American Federation of State, County, and Municipal Employees, and the International Brotherhood of Teamsters.

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Thomas Kuroski, president of the Newtown Federation of Teachers, didn't return calls seeking comment.

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The recommendations were criticised by the American Federation of Teachers, which represents 1.5 million teachers.

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