Skip Navigation
small NCES header image

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

The following citation should be used when referencing all NCES products:
U.S. Department of Education. Institute of Education Sciences, National Center for Education Statistics.

Website Privacy & Security Policy
Statistical Standards


Product Disclaimer
Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply endorsement, recommendation, or favoring by the United States Government.

Contacting NCES
To access the NCES address or the phone directory, visit the Contact NCES page.

Would you like to help us improve our products and website by taking a short survey?

YES, I would like to take the survey


No Thanks

The survey consists of a few short questions and takes less than one minute to complete.
National Center for Education Statistics -
U.S. Department of Education