Google Sites allows you to easily create a free website. This page contains several examples of teachers' classroom Google Sites.
This video introduces you to Google Sites
This video shows you how Google Sites can be integrated with other other Google Apps to transform learning
Basic Set-Up Tutorials
Sidebar (Menu Bar) Tutorials
Adding and Embedding Content
Inserting an image from your computer
Inserting an image using a url
Embedding media using embed codes
Embedding media using an embed gadget
Inserting a Disqus comment box
Creating a contact form using Google Forms
Alternative: This alternative uses a script instead of the Google Form's notification rules to email you. Your email will then contain the actual message submitted instead of a generic "User Submitted Form" email.