Adelphi University Adelphi University, Garden City, New York, private, coeducational institution of higher learning in Garden City, New York, U.S. Adelphi is a...
Ability grouping, in the United States the separation of elementary and secondary students into classrooms or courses of instruction according to their actual o...
Distance learning, also called distance education, e-learning, and online learning, form of education in which the main elements include physical separation of...
