North Tonawanda High School

Achieving Excellence

Important Links

Free Tutoring Sites

Cliffnotes.com

Literature, report writing and comprehension.

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Grammar

A guide to proper grammar.

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Hippocampus.org

Provides audio, video, written tutorials and interactive options for 10 high school subjects.

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Intmath.com

Math challenges -- factoring, exponents, quadratic equations and vectors.

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Khan Academy

Sign up for a free account. Lessons available on many subjects.

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Physics

Instructional pages about physics.

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Purdue University

Purdue University's online writing lab.

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SOSmath.com

Wow! 2,500 math pages with easy to understand explanations.

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