Under No Child Left Behind (NCLB), corrective action is a significant intervention in a Title I school that is designed to remedy a school's persistent inability to make Adequate Yearly Progress. More information about Title I schools in corrective action and resources to use in communicating this level of Title I School Improvement are on this site.
Corrective action is a term for districts at a certain level of Title I District Improvement as well. Access District Improvement for more information.