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Institute of Education Sciences

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Unless stated otherwise, all information on the U.S. Department of Education's IES website at is in the public domain and may be reproduced, published, linked to, or otherwise used without IES' permission. This statement does not pertain to information at websites other than, whether funded by or linked to from IES.

The following citation should be used when referencing all IES products:
U.S. Department of Education. Institute of Education Sciences.

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Contacting IES
Institute of Education Sciences
555 New Jersey Ave, NW
Washington, DC 20208-5500, USA,
Telephone: 1-800-USA-LEARN
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