Here's Michele Rhee. In her own words and voice
"In fact the children that are in school today will be the first generation of Americans who will be less educated than their parents were"
That's the longitudinal student performance trend in NAEP reading average scores for 9-, 13-, and 17-year-old students.
That's the longitudinal student performance trend in NAEP mathematics average scores for 9-, 13-, and 17-year-old students.
Those are not difficult graphs to read, and neither show any declines for current students vs their parents performance, in fact - it's the opposite. Why Rhee wants to lie about the data in order to fire teachers is a mystery only she can answer - but that is her agenda, and it is not supported by the facts.