The data implies exactly the opposite. A lot of "underperforming" students actually close some of the gap during the school year. The problem is that during t

The data implies exactly the opposite. A lot of "underperforming" students actually close some of the gap during the school year. The problem is that during the summer break, the gap reopens even wider for those from lower socioeconomic classes. This is one of the primary arguments for "year round" school.