If such were the case, then academic records would tell you nothing as grades would have to be falsified in order to qualify the student's membership in the top 10%.
There is absolutely no known evidence to support the contention that Barack Obama was in the top x per cent of his class at Law School. He got onto the Law Review on a writing competition, which ignores grades. In fact, there is a widespread belief that his writing sample was “helped” by several African American professors at the Law School.
There has been no public proof that he graduated Magna Cum Laude. BHO would have to release private records to support his claim, which he, of course, has never done. Many members of the class noted that his performance in the first year was not notable, and it is a well known fact that HLR editors’ grades worsen in latter years due to their obsessive focus on publishing the Review.
In short, there is absolutely no solid evidence that would indicate that BHO was in any “top x per cent” of his class, and the opinions of his classmates tend to support that the opposite was true. IMO, the likelihood that BHO was a top scholar is less plausible than most other known, fraudulent statements which have been made by him, for example, in his two autobiographies.