BrainPop contains fun review videos and quizzes on multiple topics: Science, Social Studies, English, Math, Health and more. 

This amazing website offers current events articles and videos on multiple topics to keep students informed and aware of the world around them.

This website offers loads of review materials for Global I, Global II and American History courses.  It also contains links the the fabulous HipHughes review vidoes.

MathBits.com is a great website created by two math teachers.  There are lessons, activities and notes for Algebra, Geometry and Algebra 2, as well as a tutorial on how to use a graphing calculator.  

This is a multi-subject New York State Regents review website.  There are review notes, on-line or printable multiple choice quessions and essay questions, as well as access to old Regents exams.