Total School Cluster Grouping is a specific form of cluster grouping that has a research base, theoretical

rationale, and model for successful implementation in schools. Drs. Gentry and Mann detail how the Total School Cluster Grouping Model
     provides full-time services to high-achieving, high-ability elementary students,
     helps all students improve their academic achievement and educational self-efficacy,
     helps teachers more effectively and efficiently meet the diverse needs of their students, and
     weaves gifted education and talent development "know-how" into the fabric of all educational practices

in the school.

In addition, Gentry and Mann present practical methods for quickly and easily differentiating lessons and