Martha and Bill Attend the Same Middle School, and Share

Multiple Choice

Martha and Bill attend the same middle school, and share most of the same classes. However, when it comes to math class, Martha attends a high-level class while Bill attends a mid-level class. Martha and Bill attend a middle school that uses which kind of ability grouping?

A) within-class grouping
B) between-class grouping
C) Joplin Plan
D) regrouping