No longer is summer ushered in with that old "no more lessons, no more books" refrain. There are plenty of vacation learning opportunities--in and around New York, at college campuses, and even abroad--for all age groups. Here is a roundup of this summer's offerings. (Editor)

Alumni colleges, sometimes called learning vacations or vacation colleges, offer a classroom experience built around an intellectual theme with trips, workshops, sightseeing, and cultural excursions, and are packaged to include room and board. Examples of programs offered at various colleges are described. (JMD)

Formal and informal educational options available to older persons are briefly described, with attention to classroom courses, correspondence/home study courses, credit by examination, summer/weekend learning vacations, external degree programs, discussion groups, and self-study. Classes may be offered at public and private schools, community…