Here's some great sites on Chromebooks:

MSAD # 60 School District in North Berwick, Maine
http://chromebook.msad60.org/chromebook-basics

Why Chromebooks? from K-12 Blueprint
http://www.k12blueprint.com/content/why-chromebooks

This one even has student permission forms, fixes, etc.:
http://media.wix.com/ugd/8f901d_e7727143f383b76720ce6663eb3c4534.pdf

Chromebook Prezi:
http://prezi.com/mto2tcy9zylb/chromebook-basics/