<p>I'm probably going to use these guides
AP US History - Amsco
Ap psych - Barron's
AP human geography - Barron's
AP Environmental science- PR</p>
<p>Read through the review books as many times as possible and take as many practice tests as you can.</p>
<p>Summer - read the prep books for the “hard” AP classes
During the course of the year - Do well in class 
January to Feb - Start reviewing stuff for the “hard” AP classes
march - april - start the practice tests and other classes
may - hardcore preppage!!!</p>
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<p>Oh I’m not taking a class for any of these APs. I would be independently studying them along with my 3 ap classes I’m taking at school. I heard ap psych is really easy and one could get a 5 just by reading barron’s in one week. I heard the same for human geography and environmental science except maybe longer than a week to study? US History I would study really hard on.</p>
<p>Whatever you decide to do, do it three times.</p>
<p>AP US History: if your school offers APUSH as a class, ask a friend what they are doing everyweek, try to keep up your reading. Falling behind can be a major problem in apush, as theres simply too much content to cram.
Ap psych: I’d start reading barrons during winter break and make some flashcards. The test is pretty easy.
AP human geography: Same as psych, extremely easy test
AP Environmental science: Although 1 semester would be enough for this, since you are self-studying 3 other tests, it may be a good idea to start early. Unlike psych and human geo, env sci is more concept than pure memorization. I would self-study this 1st semester and review it a bit on a weekly basis 2nd semester.</p>
<p>Start studying for US history during the summer and also buy Crash Course. For the rest of them, just start studying around February or March.</p>
<p>Just try to cram as much doing the summer as you can.</p>
<p>This site has good practice tests and has a diagnostic test as well. Pretty helpful</p>
<p>[AP</a> US History Practice Tests](<a href=“http://www.apexamreview.com/index.php?option=com_content&view=article&id=562&Itemid=22]AP”>http://www.apexamreview.com/index.php?option=com_content&view=article&id=562&Itemid=22)</p>
<p>Have a plan like what the other posters have said and STICK TO IT. This is probably the hardest part of the whole thing.</p>
<p>Oh and don’t fall behind in other classes as well.</p>