The Obama administration is poised to spare school districts from potentially harsh penalties for low-performing campuses if states agree to broad reforms favored by the federal government, including the linking of teacher evaluations to student test scores.

The plan, outlined by senior administration officials Thursday, would relieve school districts from the requirements of the decade-old No Child Left Behind Act, which requires nearly all students to be academically "proficient" by 2014. Schools that fall short are subject to being shut down, turned over to outside groups or forced to replace their staffs.

"To help states, districts and schools that are ready to move forward with education reform, our administration will provide flexibility from the law in exchange for a real commitment to undertake change," President Obama said in a statement. "The purpose is not to give states and districts a reprieve from accountability, but rather to unleash energy to