Family Educational Rights and Privacy Act (FERPA)
Official summary of FERPA
FERPAPoint2005.pdf (application/pdf Object)
FERPA guidelines for online education, include what laws apply and what don't
Educational Technology and Life » Blog Archive » Google Docs Does Not Violate CIPA (or COPPA*)
Google Docs and legal issues--good reading for US teachers who want to use Google Docs with their students, especially those with students younger than 14