Adult education is a practice in which adults engage in systematic and sustained self–educating activities in order to gain new forms of knowledge, skills, attitudes, or values. It can mean any form of learning adults engage in beyond traditional schooling, encompassing basic literacy to personal fulfillment as a lifelong learner. In particular, adult education reflects a specific philosophy about learning and teaching based on the assumption that adults can and want to learn, that they are able and willing to take responsibility for that learning, and that the learning itself should respond to their needs. Driven by what one needs or wants to learn, the available opportunities, and the manner in which one learns, adult learning is affected by demographics, globalization and technology. The learning happens in many ways and in many contexts just as all adults' lives differ. Adult learning can be in any of the three contexts, i.e.
Defined as the science and art of helping adults learn, the practice of adult education is referred to as andragogy, to distinguish it from the traditional school-based education for children pedagogy. Unlike children, adults are seen as:
Educating adults differs from educating children in several ways given that adults have accumulated knowledge and work experience which can add to the learning experience. Another difference is that most adult education is voluntary, therefore, the participants are generally self-motivated, unless required to participate, by an employer, for example. Adults frequently apply their knowledge in a practical fashion to learn effectively. They must have a reasonable expectation that the knowledge they gain will help them further their goals. For example, during the 1990s, many adults, including mostly office workers, enrolled in computer training courses. These courses would teach basic use of the operating system or specific application software. Because the abstractions governing the user's interactions with a PC were so new, many people who had been working white-collar jobs for ten years or more eventually took such training courses, either at their own whim (to gain computer skills and thus earn higher pay) or at the behest of their managers.
In the United States and many areas in Canada, a more general example is when adults who dropped out of high school return to school to complete general education requirements. Most upwardly mobile positions require at the very least a high school diploma or equivalent. A working adult is unlikely to have the freedom to simply quit his or her job and go "back to school" full-time. Public school systems and community colleges usually offer evening or weekend classes for this reason. In Europe this is often referred to as "second-chance", and many schools offer tailor-made courses and learning programs for these returning learners. Furthermore, adults with poor reading skills can obtain help from volunteer literacy programs. These national organizations provide training, tutor certification, and accreditation for local volunteer programs. States often have organizations which provide field services for volunteer literacy programs.