Authorized under Title III of the No Child Left Behind Act of 2001 (NCLB), the National Clearinghouse for English Language Acquisition & Language Instruction Educational Programs (NCELA) supports the Office of English Language Acquisition, Language Enhancement, and Academic Achievement for Limited English Proficient Students (OELA) in its mission to respond to Title III educational needs, and implement NCLB as it applies to English language learners (ELs).

OELA's National Clearinghouse collects, coordinates and conveys a broad range of research and resources in support of an inclusive approach to high quality education for ELs. To fulfill its mission NCELA supports high quality networking among state-level administrators of Title III programs. In addition to SEA coordinators, NCELA serves other stakeholders involved in EL education, including teachers and other practitioners, parents, university faculty, administrators and federal policymakers.