Given that grouping students homogeneously has proved to be more deleterious than beneficial to student learning and self-concept, principals of middle level schools have the responsibility to implement more heterogeneous grouping arrangements in their schools. Grouping programs that provide multiple criteria for determining student ability and…

Nongraded education is the practice of teaching children of different ages and ability levels together in the same classroom, without dividing them or the curriculum into steps labeled by "grade" designations. Children progress along the continuum from easier to more difficult material at their own, varying rates of speed. Interest in nongraded…