Type of Speech: 
Definition: 

Varying grouping strategies (combining, for example, whole group, cross-ability, student-selected, topic interest, multiage, partners, and/or ability groups) depending on instructional goals, activities, and student learning needs.

Additional Information: 

Advocates of flexible grouping argue that it builds students' ownership in the classroom community by allowing them to work cooperatively with peers.

For further explanation:
Flexible Grouping by Catherine Valentino provides more information on flexible grouping, including various roles and activities performed by students and teachers depending on group configurations.