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4Tests.com - Your one stop practice test site for High School, College, Professional, and Standardized Exams and Tests

Support for high school science courses, including chemistry, AP Chemistry, biology and physics. ScienceGeek.net is the website of Andy Allan, science instructor at El Diamante High School in Visalia, CA.

The SAT is the nation’s most widely used college admission exam. Learn more about how the SAT can help you show colleges what you know and what you know you can do.

The College Board’s AP courses are college-level classes in a wide variety of subjects that you can take while still in high school

Test Preparation Help for a Variety of Exams Including the ACCUPLACER, ACT, GED, GMAT, GRE, LSAT, MAT, MCAT, NCLEX, Praxis, and SAT.

Free essays, research papers, term papers, and other writings on literature, science, history, politics, and more.

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...