<p>I think taking one test prep course is plenty…
I took the princeton review one and it helped me seeing as i didnt have the dedication to look at it on my own.
I took the class my junior summer.
took the test a few times and did a lot worse than i expected ( had 2 months in between class and first test) On class practice tests i got around 2100 and on the real test i got 2090 and 2020. I had previously taken it sophoomore summer and expected the 2020 to be my final 3rd time and i realized that i was sooooo mad. My writing +CR had gone up by 30 points nad my Math went down from a 780 to a 680.</p>
<p>In May i took the test over 5 months past the course for the fourth time, spent 3+ hours a day at the library for a week and a half doing practice tests and i got a 2290. All the class actuallly teaches you is how to be careful and to be aware of some tricks that they throw at you. The rest is really up to you.</p>
<p>I also took the ACT a week eariler than that SAT and took hte same amount of time doing practice tests and was pretty prepared for the time squeeze and the need to be careful that i learned in the SAT course</p>