Here are a list of great links:
AP History page - Mrs. Johansen's/Mr. Brissette's AP History website.
National History Day - This page provides great information about the National History Day contest.
Teaching American History- A page that is a great resource to any history student, contains lots of valuable information.
SAVE - A link to the Students Against Vandalism Everywhere website.
ACE Practice Tests- Great practice tests especially for AP students.
Google English Student Dictionary - Link to the Google English Dictionary.
Discovery Education
PBS
Writing Resources
Grammar and Vocabulary Resources