Several online resources such as Study Blue, Study Guide Zone and the College Board are available to help students prepare for exams. Different sites offer free or paid subscriptions and vary in level from elementary school to college test preparation.
For students from kindergarten through high school, study guides and practice tests are available at sites like Spark Notes and Study Blue. These sites offer resources for specific grade-level courses and have interactive practice exams and flash cards.
At the college level, the College Board offers study guides and links for CLEP exams, while Koofers offers access to previous testing materials from specific college courses. Both of these sites require an account to access the materials.