A teacher could will assign the students to comment on each other's work.

However, one thing that will missing often when we compare engagement via @steemitbloggers and the @unmentionables and engagement in the classroom is the lack of ownership.

OK... I just see these two... and then when I scroll down, they have been corrected.. So I will not correct it again "lah"... plus I am too hungry to correct it and to spot others... LOL