President Barack Obama announced yesterday Tennessee is one of 10 states to be granted a waiver on the stringent and sweeping requirements of the No Child Left Behind legislation put into effect in 2002 under former president George W. Bush.The waiver requires the 10 states to produce their own legislation and methods to improve education and evaluate students.Obama said he was acting because Congress had failed to update the law despite widespread agreement it needs to be fixed.“If we’re serious about helping our children reach their potential, the best ideas aren’t going to come from Washington alone,” Obama said. “Our job is to harness those ideas, and to hold states and schools accountable for making them work.”A total of 28 other states, the District of Columbia and Puerto Rico have signaled they, too, plan to seek waivers — a sign of just how vast the law’s burdens have become as the big deadline nears. No Child Left Behind requires all students to be proficient in reading and math by 2014.The other nine states receiving the waiver are Colorado, Florida, Georgia, Indiana, Kentucky, Massachusetts, Minnesota, New Jersey and Oklahoma.