Akhir 10, 1432, March 15, 2011, SPA -- U.S. President Barack Obama on Monday called on Congress on to overhaul "No Child Left Behind" education law before the next school year begins in September. Obama administration officials have been meeting with congressional officials to reach a compromise on a re-write of the law. Monday's speech at a Virginia school marked the first time Obama has set a timeline for a new law. "Our kids only get one shot at an education, and we've got to get it right. So that's why I'm calling on Congress to send me an education reform bill I can sign into law before the next school year begins," Obama said. He said the law needs to be altered to give schools the resources they need to improve, including the pay and support that teachers need. "We've got to start valuing our great teachers," Obama said.