Do Abilities "Even Out" in Third Grade?

One of the obstacles parents of gifted children encounter when trying to get more appropriate learning materials and instruction for their children in school is the argument that “everything evens out by third grade.” They are told that although their children are advanced in kindergarten or first grade, by third grade the other children will have caught up, but is that true?

What's all the Fuss About?

The answer to the question is important because it can determine the way parents raise their children. Perhaps more importantly, it can determine whether a gifted child receives an appropriate education. So what is the answer? Do abilities even out in third grade?