<p>Single-variable calculus video lectures:
[Khan</a> Academy](<a href=“https://www.khanacademy.org/math/differential-calculus]Khan”>Differential Calculus | Khan Academy)
[Massachusetts</a> Institute of Technology](<a href=“http://ocw.mit.edu/courses/mathematics/18-01-single-variable-calculus-fall-2006/video-lectures/]Massachusetts”>http://ocw.mit.edu/courses/mathematics/18-01-single-variable-calculus-fall-2006/video-lectures/)
[New</a> York University](<a href=“http://www.nyu.edu/academics/open-education/coursesnew/calculus-I.html]New”>http://www.nyu.edu/academics/open-education/coursesnew/calculus-I.html)
[Louisiana</a> Tech University](<a href=“http://www2.latech.edu/~schroder/SVC_videos.htm]Louisiana”>http://www2.latech.edu/~schroder/SVC_videos.htm)
[University</a> of Houston](<a href=“http://online.math.uh.edu/HoustonACT/videocalculus/]University”>Calculus Videos)</p>
<p>[Bozeman</a> Science](<a href=“http://www.bozemanscience.com/]Bozeman”>http://www.bozemanscience.com/) might be useful for AP Biology and AP Chemistry. </p>
<p>If you have a Study Island account from school, they have practice quizzes for a lot of AP subjects.</p>