<p>Don't take a prep course. Well, if you're going to take a prep course, go the whole nine yards and take the (very costly) Princeton Review one...I can't say for sure that it's good, but I can say that 3rd party cheap prep courses are a rip-off. $400 for a month's worth of prepping, and what did they do but run through the Barron's SAT book? They knew less about the new SAT than I did, entering the course.</p>
<p>As icyfire said before, practice tests. Lots, and lots, and lots of them. As much as Barron's was wonderful for the Math IIC, I don't recommend taking their practice tests, because they don't even have the right amount of sections. Princeton Review has the right idea, and they've also got a book that has just tests - eleven of them (one being the PSAT). </p>
<p>Also, whatever you may choose to buy, get the official College Board book. No book will help you like that one. No practice tests will help you like the eight in the book.</p>
<p>I'd say prepare in the summer, and while it's fresh and in your head, and while you haven't got a lot of other stuff on your mind, take it in October. If he's applying EA anywhere, Jan 06 is too late, anyways. This way, though, if he bombs the October test, he'll still have November, December, and January, if he's not taking anything then.</p>
<p>Also, write essays. All of them. Every SAT essay you can get your hands on. Time every single one. I can do most math, writing, or critical reading sections with five or more minutes to spare, but I cut it incredibly close on almost every essay. I don't know anyone that sits around idly more than five minutes before time is called...there might be, I don't know. But 25 minutes is an incredibly short amount of time. Best bet is to learn to think and write awful quick.</p>