Quote by Diane Ravitch
"The standardized testing movement has failed its own standards of validity and reliability."
More from Diane Ravitch
"Education is the most powerful weapon which you can use to change the world."
"A nation's future depends upon the extent to which it educates its children."
"Public education is not just another consumer product; it is a public good, funded by taxpayers for the benefit of all."
"Teachers are the foundation of a democratic society."