This learning loss is cumulative, summer after summer.
Decades of research confirm that summer learning loss is real.
They are also particularly prone to learning loss.
American academics have even invented a term for this phenomenon, "summer learning loss".
Until our nation addresses summer learning loss, efforts to close the achievement gap will continue to fall short.
We know summer school helps reduce the learning loss that occurs when poor kids are out of school for a long time.
According to a report released last month by the RAND Corporation, the average summer learning loss in math and reading for American students amounts to one month per year.
Cooper's research did show, however, that shortening the summer break has some impact upon lower-income students — the same children whom he earlier found were most likely to be afflicted by summer learning loss.
White was an early theorist and quantifier of what has come to be known as the summer slide — the learning loss that occurs when children are out of the classroom.
