President Barack Obama's latest budget proposal envisions a sweeping, multi-billion-dollar expansion of prekindergarten programs and doubles down on the administration's strategy of using competitive grants to drive big change in states and districts--all as school districts try to cope with the largest cuts to federal education spending in recent…

Almost two years into the federal Race to the Top program, states are spending their shares of the $4 billion prize at a snail's pace--a reflection of the challenges the 12 winners face as they try to get ambitious education improvement plans off the ground. Through the end of March, the 11 states and the District of Columbia had spent just 14…