'What we're seeing is a huge spreading of poverty, but potentially more problematic is a deepening of poverty,'says Emma Brown, who reports a dramatic increase in student poverty rates and increased segregation of the poorest students since the 'Great Recession' of 2008. Student poverty has increased most in the South and the MidWest. New Mexico saw a huge increase in student poverty, from half its students to 87%.The state that has seen the most growth in student poverty is Florida. Schools and teachers, of course, will be blamed and expected to cure what is a structural economic problem.The Common Core and rigorous tests will not fix poverty. DIANE RAVITCH SAYS: 'This is an appalling commentary on what matters most in the United States today.'