Watch the video that is called "a class divided

Plagirism free is the main thig because my teacher is so picky, 3 students were caught.

Here is the link of the video

http://www.pbs.org/wgbh/frontline/film/class-divided/

Watch the video in the assignment folder called "a class divided". Then write \about  What are the pros and cons of this activity with children? Is it ethical? Should it be done today? You can also include any impressions you have about the documentary.