<p>It is important to remember that high school grades and test scores predict college GPA for a collection of students, but leave lots of unexplained variation. For an individual, the prediction is even worse. Of course, if being in the top of the class is important to you, then choose a college where the odds are in your favor. On the other hand, recognize that lots of students do better, or worse, than their high school records would imply.</p>