Multiage grouping is one way schools can organize around students and their learning. In multiage grouping, students of different chronological ages are intentionally assigned to the same classroom. Multiage grouping may also be called "mixed age." Other terms, such as "nongraded,""ungraded,""multigrade," or "split-grade," are often used…

Although classrooms vary in design and populations, there are certain features that are common to virtually all classrooms. These include the crowding of pupils, the compulsion of school attendance, and the expectation that teachers will foster literacy. The manner in which these features are dealt with in a classroom constitutes the core problem…