“One of the key differences was that US teachers see mixed ability as a problem, whereas far-eastern teachers see mixed ability as a gift. Individual differences are seen as beneficial for the class …”
edweek.org/education/opin…
edweek.org/education/opin…
www.edweek.org Ability Grouping or Mixed Grouping: A Point of Contention? (Opinion) In a recent blog post, Shirley Clarke wrote about how ability grouping doesn't work, and it raised quite a stir. I would suggest that mixed-ability grouping doesn't either, because many people use it... 
