<p>They wouldn’t rescind you for one B, but you just said you planned on almost all Bs. You plan on one A, but it’s easy to slip-up on a grade. When you only try hard in one class, then slip-up, you could end up with no As.</p>
<p>The University of California system is notorious for rescinding people. Further, it’s quite arrogant to plan on how much you can slack to keep an acceptance at schools that have yet to accept you.</p>
<p>At this point you should be past “looking at.” If you applied to Cornell and Brown, then you applied there. My advice is to keep up your grades as best you can. Colleges look at your last semester to make sure you’ll be taking college seriously now that you’ve gotten in (as opposed to think you can just coast through). Would Brown or Cornell or UCB or USC want a 3.17 GPA student? Because that’s what you are with 5 Bs and 1 A. Slip up a little, it becomes the 3.0 of 6 Bs or 1 A, 4 Bs, and a C. Slip up a lot, well… Not good.</p>
<p>Why would you want to risk your college acceptances?</p>