American Association of Adult and Continuing Education - Provides general information, conferences, publications and links for adult education.
National Assessment of Adult Literacy - Assessment of literacy among adults (ages 16 and up) living in U.S. households and prisons.
National Center for the Study of Adult Learning and Literacy - Improves practices and informs teaching in the educational programs that serve adults with limited literacy and English language skills, and those without a high school diploma, as well as increased the research base on adult learning and literacy. By NCSALL.