Calculus Survival Guide - Offers helpful tips on taking tests and keeping up with the class. Geared toward university students, but also applies to high school. - http://galileo.math.siu.edu/~msulliva/Courses/150/S06/survival.html
Calculus Primer - Explains the derivative and integral formulas by using approximation methods with chart illustrations. Page includes an introduction to some basic formulas. - http://www.1728.com/calcprim.htm
Advice for Calculus Students - Advice provided by calculus students, at the end of the semester, for future beginning calculus students. - http://www.math.usf.edu/~mccolm/pedagogy/CalcAdvice.html
Math Forum - Includes questions and answers from the Ask Dr. Math archives. Also contains other links relevant to high school mathematics. - http://mathforum.org/library/drmath/sets/high_calculus.html
Calculus-Help.com - Features a new practice calculus problem every week with complete solutions. Includes an archive of prior weeks' problems and solutions. - http://www.calculus-help.com/
AP Calculus at Batesville High School - Readiness for calculus review quizzes covering functions, graphing, trigonometry, and precalculus. - http://www.batesville.k12.in.us/physics/calcnet/