Weebly for Education is a great resource for educators. It allows you to easily create, for free, a class website. You can create a class website and blog to share resources, communicate with students and parents, and even accept homework assignments online. You can also use it for student e-portfolios and student projects.
The website editor is drag and drop, making it very easy to use. You can password protect student websites, add pictures, videos, and more to your site, post class updates and assignments, class news, and host a blog letting students hold discussions and help each other. You can use one of over 70 designs or even customize your own, letting you have the design you want.
It's free and there are no ads. It's a great, free, easy way to create a classroom website.
Here's an example of a real class website using Weebly. http://cnapolitano.weebly.com/
Related:
Google for Educators Resources, including Google Sites and Blogger.
Wix - easy to use free website builder