Welcome to the online community. Because of the built-in security features, you must first register and be approved before accessing many site sections. If you are not a member of the site yet, please register - we'd love you to be part of our online community.
If you are a teacher that will purchase or has already purchased a membership, you will need to set up sub accounts for your students to use to log in. Here's more information about sub accounts: http://edheads.org/page/SubAccounts